Port Blair (Sri Vijaya Puram) in May
Andaman & Nicobar Islands, India
May in Port Blair splits cleanly in two. The first fortnight extends April - 28-33C, humidity 80 percent, ferries on time, dive shops at Havelock running their full menu. By the third week the southwest monsoon advance starts arriving as afternoon squalls: hour-long rain, then back to muggy sun. Sea state remains workable until the very end of the month. Domestic airlines start trimming Port Blair frequencies after May 20 - that is a useful tell. Hotels run their cheapest published rates of the year, often 50 percent off January. The Andamans Coast Guard issues sea-state advisories from late May; check before booking inter-island legs.
Why May scores 8.0/10
Weather
Pre-monsoon. 27-33C. First half clean, last week often sees first squalls. Ferries on schedule.
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What to do in Port Blair (Sri Vijaya Puram) this May
- 1Dive in first half before squalls arrive
- 2Beach exploration early morning (6–9am)
- 3Cellular Jail visit inside air-conditioned interior
Who should go
- ✓First-time travelers
- ✓Senior citizens
- ✓Determined divers
- ✓Heat-loving water sports fanatics
- ✓Last-minute off-peak escapists
Who should think twice
- ✗Families with young children
- ✗Those sensitive to humidity
- ✗Beach-focused relaxation seekers
All 12 Months
| Month | Score | Note |
|---|---|---|
| January | 10.0/10 | Peak archipelago season. 22-29C, dry, ferries reliable. Cellular Jail show seats book out. |
| February | 10.0/10 | Driest month. 23-30C, ferry timetables hold. Indian-tourist load eases mid-month. |
| March | 8.0/10 | Last clean month before pre-monsoon humidity. 25-32C. Ferries on time, prices off-peak. |
| April | 8.0/10 | Hot and humid 27-33C but still pre-monsoon. Ferries and dive trips running normally. |
| Mayviewing | 8.0/10 | Pre-monsoon. 27-33C. First half clean, last week often sees first squalls. Ferries on schedule. |
| June | 2.0/10 | Southwest monsoon full strength. 400-500mm rainfall, ferry cancellations, rough seas. Avoid. |
| July | 2.0/10 | Peak monsoon. 450-500mm rainfall. Ferry network broken. Do not plan an Andaman trip in July. |
| August | 2.0/10 | Monsoon continues. 400-450mm rain. Ferries unreliable, dive operators closed. Skip. |
| September | 4.0/10 | Recovery month. Rainfall easing to 250-300mm. Ferries returning by mid-month. Still patchy. |
| October | 8.0/10 | Season opens. 100-150mm rainfall mostly first week. 24-31C. Ferries fully restored by mid-month. |
| November | 8.0/10 | Peak builds. 50-80mm rainfall, 23-30C. NE monsoon residual but ferries reliable. Diwali rush. |
| December | 10.0/10 | Peak season. 23-29C, dry, dive vis 28-30m. Christmas-NY 50% premium and ferries sold out. |
What to pack for May
- ▸Minimal, highly breathable clothing
- ▸Heavy-duty sunscreen (SPF 70+)
- ▸Wide-brimmed hat mandatory
- ▸Cooling towel
- ▸Anti-humidity moisture-control products
Nearby in Andaman & Nicobar Islands scoring high in May
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