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Andaman Weather in May 2026: Quick Overview
Andaman weather in May 2026 at a glance: hot and increasingly humid, with daytime highs around 30 to 32C, nights near 25 to 26C, sea temperature about 29 to 30C, humidity near 80% and roughly 284mm of rain spread across 18 to 20 days, most of it late in the month. Early May is mostly dry with calm, swimmable seas. The monsoon arrives around the third week, dated to 16 May in 2026.
Quick verdict. Yes for the first half, a qualified maybe for the last week. Choose May if you want peak-season islands at shoulder-season prices, warm 29 to 30C seas and thinner crowds, and you can travel in the first fortnight while water sports still run normally. Rethink the last week if your trip depends on guaranteed scuba or fixed inter-island ferry dates, because the monsoon brings rough seas and cancellations. When you are ready to plan around that split, browse Andaman tour packages built for flexible May dates.
| Thing to do | Good for | Availability in May |
| Scuba diving & snorkelling | Warm 29-30C water, good early-May visibility | Full till mid-May, calmer-day only after |
| Sea walking | Non-swimmers who want the sea floor and reef fish | Open till mid-May, then weather-dependent |
| Jet ski, parasailing & banana boat | Quick adrenaline over calm water | Open till mid-May, paused on rough days |
| Glass-bottom boat | Families and non-divers, coral without getting wet | Open till mid-May, then weather-dependent |
| Sea plane & helicopter flights | Aerial views of the island chain | Clear-weather days |
| Island-hopping to Havelock & Neil | Radhanagar sunset, beaches, Elephant Beach | Early-to-mid May, reduced late month |
| Cellular Jail, museums & Corbyn’s Cove | History and easy Port Blair outings | All month, weather-proof |
| Chidiya Tapu birding & dolphin watching | Sunsets, birds and calm-day boat trips | All month, boat trips calm-day only |
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8 Best Things to Do in Andaman in May
May rewards travellers who go activity-first in the calm early fortnight and land-first once the monsoon arrives. Here is the shortlist at a glance, followed by the detail. For the full island roundup beyond May, see our guide to the best places to visit in Andaman.
Andaman in May: the quick version
- Weather: highs of 30 to 32C (peaks of 34 to 35C), lows of 25 to 26C, humidity near 80%, about 284mm of rain over 18 to 20 days, most of it after mid-month.
- Two halves: early May (1 to 15) is dry and calm with full water sports; late May (16 to 31) turns wet and rough as the monsoon sets in.
- Cost: shoulder-season rates in early May easing to the lowest of the season by late May, well below the December to January peak.
- Water sports: scuba, sea walking, jet ski, parasailing and glass-bottom rides run normally until about mid-May, then pause on rough-sea days.
- Plan: front-load water activities into the first days, keep land sights like the Cellular Jail as wet-weather anchors, and book Havelock and Neil ferries early.
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01
Scuba Diving
The water in May is warm at about 29 to 30C, and early in the month the visibility off Havelock, Neil and North Bay is still good. Dive shops run both certified dives and beginner Discover Scuba sessions through the first fortnight. The one caveat is timing. Once the monsoon sets in around the third week, dives are paused on rough-sea days, so book early-May dates and a flexible operator if diving is the point of your trip.
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02
Sea Walking, Jet Ski and Other Water Sports
Beyond scuba, the calm early-May sea keeps the whole commercial water-sports menu running. Sea walking lets non-swimmers stand on the sea floor among reef fish, mostly off North Bay near Port Blair. Jet ski, banana and game boat rides and glass-bottom boats (a dry way for families to see coral) all operate too. Treat all of these as open until about mid-May, then weather-dependent. They are open-sea activities, so operators suspend them on rough-sea days once the monsoon arrives.
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03
Parasailing
Parasailing runs off the Port Blair and Havelock coasts on calm days and is one of the easiest adrenaline hits for non-swimmers, since you are harnessed above the water rather than in it. Like the other open-water sports, it is reliable through early May and turns clear-window only in the last week.
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04
Sea Plane and Helicopter Scenic Flights
A sea plane or inter-island helicopter hop gives you the archipelago from the air, all turquoise shallows and green ridgelines. These are joy flights rather than scheduled transport, so they run on clear-weather days and are among the first things weather can pause. Book them for an early, settled morning rather than a rainy afternoon late in the month.
05
Island-Hopping and Sightseeing
The classic loop is Port Blair to Havelock (Swaraj Dweep) to Neil (Shaheed Dweep), and May is quiet enough that Radhanagar Beach at sunset feels almost private next to the December rush. Ferries run on schedule through early May and get reduced and weather-cancelled once the monsoon lands, so front-load the island hops and keep a buffer day. Elephant Beach and North Bay round out the water-based days.
06
Dolphin Watching
Small-boat dolphin-watching trips leave from Port Blair and around Havelock, best taken in the calm of early May when the sea cooperates. It pairs naturally with a North Bay or Ross Island morning, and like every boat outing it moves to a calmer-day schedule once the seas roughen late in the month.
07
Bird Watching at Chidiya Tapu
Chidiya Tapu, the green southern tip of South Andaman, is the pick for birders and one of the best sunset points on the islands. It stays open and rewarding all month, monsoon or not, which makes it a reliable anchor for a day when the sea is too rough for boats. Go late afternoon for the light.
08
History Tour: Cellular Jail, Samudrika Museum and Corbyn's Cove
Port Blair’s history runs whatever the weather. The Cellular Jail and its evening light-and-sound show are the headline, and the Samudrika Naval Marine Museum is a strong rainy-day pick. Round the day off at Corbyn’s Cove, the palm-lined beach a short drive from town that is the easiest sea-and-sand stop when island ferries are not running. All of it is weather-proof, which is exactly what you want as a late-May backup.
Andaman in May 2026: Quick Verdict (Is It a Good Time to Visit?)
May is really two trips in one month, so the honest verdict depends on which half you can travel and what you want from the trip.
Choose May if:
- you want peak-season islands at shoulder-season prices.
- you can travel in the first half, when seas are calm and water sports run normally.
- you prefer thinner crowds at Radhanagar, the Cellular Jail and on the ferries.
- warm, swimmable 29 to 30C seas and long beach days are your priority.
Skip or rethink May if:
- your trip depends on guaranteed scuba or fixed inter-island ferry dates in the last week.
- you are heat-sensitive, since daytime highs sit around 30 to 32C with near 80% humidity.
- you can only travel after the third week, when the monsoon brings rough seas and ferry cancellations.
- you want zero rain, since May averages 18 to 20 rainy days, most of them late in the month.
Andaman Weather in May 2026: Temperature, Humidity and Rain
Andaman weather in May 2026 is hot, humid and split by the monsoon. Expect daytime highs of 30 to 32C, occasionally touching 34 to 35C, and nights around 25 to 26C, with humidity near 80% for most of the month. The sea stays warm at 29 to 30C. Rainfall totals about 284mm across 18 to 20 days, but the distribution is the real story: early May is largely dry with only scattered showers, while the bulk of the rain falls after the monsoon onset in the third week. Here is the month in one table.
| May metric (Port Blair / Andaman) | Typical value | What it means for you |
| Daytime high | ~30-32C (peaks 34-35C) | Hot; pack light cotton and sun cover |
| Night-time low | ~25-26C | Warm nights; no layers needed |
| Humidity | ~80% (79-82%) | Muggy; quick-dry clothing helps |
| Sea / water temperature | ~29-30C | Warm and swimmable all month |
| Rainfall | ~284 mm | Most of it falls after mid-month |
| Rainy days | ~18-20 days | Scattered early, frequent late May |
| Sea condition | Calm early, rough from week 3 | Front-load water sports and ferries |
| Monsoon onset | Around 22 May (16 May in 2026) | The turning point of the month |
| Ferries & water sports | Full early, reduced late month | Keep a buffer day for island hops |
Early May vs Late May: Which Half to Book
If you take one thing from this guide, make it this split. The difference between the first and second fortnight is bigger than the difference between May and a neighbouring month.
| Factor | Early May (1-15) | Late May (16-31) |
| Weather | Hot, mostly dry, pre-monsoon | Hot, humid, monsoon arriving |
| Sea condition | Calm and clear | Roughening, choppy |
| Scuba & water sports | Running normally, good visibility | Paused on rough-sea days |
| Inter-island ferries | On schedule | Reduced / weather-cancelled |
| Crowds | Tail of peak season, moderate | Quiet, low season |
| Prices | Shoulder, easing | Lowest of the season |
| Best for | Water sports + value combo | Budget, solitude, green islands |
The takeaway is simple. Book early May for an activity-led trip with reliable water sports, and late May for a budget, slow-paced one built around land sights and the greenest version of the islands.
What’s Open and What’s Closed in Late May
Once the monsoon lands, your itinerary divides cleanly into what runs regardless of weather and what depends on the sea. Plan the land sights for the rainiest days and keep the flexible water activities for clear windows.
Runs all month (monsoon-proof)
- Cellular Jail and its evening light-and-sound show.
- Radhanagar, Elephant and Bharatpur beaches, with swimming restricted only on the roughest days.
- Samudrika Naval Marine Museum and Port Blair’s heritage sites.
- Chidiya Tapu birding and sunset point, and Corbyn’s Cove near town.
Weather-dependent (can pause on rough-sea days late May)
- Water sports: scuba diving, snorkelling, sea walking, jet ski and glass-bottom boat rides run normally until about mid-May, then only on calmer days.
- Inter-island ferries: reduced schedule to Havelock and Neil, with individual sailings cancelled at short notice.
- Joy flights: parasailing, sea-plane and helicopter joy flights, all clear-weather only.
- Boat excursions: boat trips to North Bay, Ross Island and dolphin-watching move to a calmer-day schedule.
Off-Season Value and What to Pack for May
May is a genuine value window. As peak season ends and the monsoon nears, hotel and flight prices ease from their December and January highs and availability improves, with the lowest rates of the stretch usually in late May. You trade guaranteed water sports for better prices and quieter beaches. Exact discounts vary by operator and date, so confirm current rates when you book rather than relying on a fixed percentage.
Packing for May is about heat, humidity and the chance of rain, especially after mid-month:
- light, breathable cotton or linen clothing for 30 to 32C days.
- strong sunscreen, sunglasses and a hat for the intense pre-monsoon sun.
- a compact rain jacket or travel umbrella, especially for travel after mid-May.
- quick-dry clothing and a dry bag to protect phones and cameras on boat days.
- swimwear, reef-safe sunscreen and water shoes for the beaches and reefs.
- mosquito repellent and any personal medication, since pharmacies are limited on the smaller islands.
How to Plan an Andaman Trip in May (Step by Step)
A May trip works best when the itinerary bends with the weather instead of fighting it. These seven steps build one that does.
- Pick your half of the month first. early May for calm seas, full water sports and easing prices; late May for budget, solitude and land-based plans. Everything else follows this choice.
- Fly into Port Blair. the Veer Savarkar International Airport at Port Blair is the single gateway, so book flights early for the best fares and your preferred dates.
- Front-load water activities. scuba, sea walking, jet ski and island hops into the first days, while the sea is calm and reliable.
- Book ferries early, stay flexible. reserve Havelock and Neil crossings ahead, and keep any later hops flexible so a cancelled sailing never threatens your flight home.
- Build a wet-weather day around land sights. anchor each wet day with the Cellular Jail, the museums, Corbyn’s Cove or Chidiya Tapu, none of which the rain touches.
- Pack for heat and rain both. quick-dry clothes, a rain jacket, dry bags and reef-safe sunscreen cover both the heat and the late-month showers.
- Lock accommodation and a package early. May availability improves but the best-value rooms still go first. A customisable package lets agents structure the trip around weather-flexible dates and cancellation room. Browse flexible Andaman tour packages or plan a school-break trip with Andaman family packages.
The Bottom Line on Andaman in May
May is a month of two halves: a dry, calm, value-rich first fortnight that still delivers the full Andaman experience, and a wetter, rougher final week as the islands take India’s first monsoon rain. Pick your dates around that split, early May for water sports and balance, late May for budget and solitude, and the islands reward you either way. When you are ready, build the trip around your exact May dates with a customisable Andaman tour package, read the full seasonal picture in the Andaman travel guide, or compare the shift into peak monsoon with Andaman in June.
FAQs
Andaman in May: Frequently Asked Questions
May is a good time if you travel in the first half, when seas are calm, water sports run normally and prices have eased from the peak. It is a weaker choice for the last week, when the monsoon brings rough seas, ferry cancellations and paused water sports. Warm 29 to 30C water, thinner crowds and shoulder- to low-season prices are the draw. Pick early May for an activity-led trip and late May for budget and quiet.
Andaman weather in May 2026 is hot and humid, with daytime highs of 30 to 32C, nights around 25 to 26C and humidity near 80%. The sea stays warm at 29 to 30C. Rainfall totals about 284mm across 18 to 20 days, but most of it falls after the monsoon arrives in the third week (16 May in 2026). Early May is largely dry with calm seas; late May is wetter and rougher.
Yes, through the first half of the month. Scuba diving, snorkelling, sea walking, jet ski, parasailing, banana boat and glass-bottom boat rides all run normally in early May while the sea is calm. From about mid-May, when the monsoon sets in, these open-water activities become weather-dependent and operators pause them on rough-sea days. Book water sports for the first fortnight and confirm status the morning of.
Yes, and the water is ideal at a warm 29 to 30C. Diving runs normally in the first half of May with good visibility off Havelock, Neil and North Bay, and operators cater to certified divers and first-timers alike. The caveat is timing: once the monsoon sets in around the third week, dives are paused on rough-sea days. Book early-May dates and a flexible operator if diving is central to your trip.
Land sights stay open all month. The Cellular Jail and its light-and-sound show, the Samudrika Naval Marine Museum and other Port Blair museums, Chidiya Tapu and Corbyn's Cove are all reliable in late May, and the beaches stay open with swimming restricted only on the roughest days. What turns weather-dependent is the sea: scuba, water sports, joy flights and the ferries to Havelock and Neil run a reduced, calmer-day schedule once the monsoon lands.
May is a strong value window. As peak season ends and the monsoon nears, hotel and flight prices ease from their December and January highs and availability improves, with the lowest rates of the stretch usually in late May. You trade guaranteed water sports for better prices and quieter beaches. Exact discounts vary by operator and date, so confirm current rates when you book rather than relying on a fixed percentage.
Early May (1 to 15) is better for most travellers: calm clear seas, full scuba and ferry operations, and only scattered rain, at easing shoulder-season prices. Late May (16 to 31) brings the lowest prices and the quietest, greenest islands, but the monsoon means rough seas, cancelled ferries and paused water sports. Choose early May for an activity-led trip and late May for a budget, slow-paced one built around land sights.
For weather and water activities, yes. Early May still has dry, calm conditions and full water sports, whereas by June the monsoon is well established across the islands with consistent rain and rough seas. June's advantage is even lower prices and the lush, green look of the islands. If you want the best balance of decent weather and value, early May beats June. If rock-bottom prices matter most and you accept the rain, compare the two side by side.
Five to six days is the comfortable sweet spot for May, covering Port Blair, Havelock (Swaraj Dweep) and Neil (Shaheed Dweep) without rushing. That length lets you front-load water activities into the calmer early days and keep a land-based buffer day for weather. With a week you can add Baratang's limestone caves or a Ross and Smith day trip. With only 3 to 4 days, focus on Port Blair and a single island.
Pack for heat, humidity and possible rain. Bring light cotton or linen clothing, strong sunscreen, sunglasses and a hat for the intense pre-monsoon sun, plus a compact rain jacket or umbrella, especially for travel after mid-May. Add quick-dry clothes and a dry bag for boat days, swimwear and reef-safe sunscreen for the beaches, and mosquito repellent. Carry any personal medication, as pharmacies are limited on the smaller islands.
No. Indian citizens do not need a permit or passport to travel to the Andaman Islands at any time of year, including May. A government-issued photo ID is enough for domestic flights and check-ins. Some areas near tribal reserves and certain islands still require separate permits regardless of season, and foreign nationals have their own entry rules, so confirm requirements for any specific island you plan to visit.
Andaman is safe to visit in May, with very low crime and peaceful islands. The real risks are weather-related and concentrated in the last week: rough seas, ferry cancellations and the odd washed-out morning as the monsoon arrives. Stay on the safe side by keeping a buffer day before your flight, following operator advice on water activities, and confirming ferry status before you travel. Routine land sightseeing carries no unusual risk.
