Port Blair weather by month & the best time to visit
India · beach resort · tropical monsoon climate
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The best time to visit Port Blair is February — its sunniest month (Sunshine Score 90/100), with January and March close behind. Port Blair averages about 2,322 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 12 mm of rain in February.
When is the best time to visit Port Blair?
For sunshine, the best time to visit Port Blair is February, then January and March. The dullest month is May (65/100, 359 mm of rain). The full month-by-month picture is in the table below.
How sunny is Port Blair?
Port Blair gets a moderate 2,322 hours of sunshine a year. February (90/100) is noticeably better than May (65). It ranks #100 of 112 destinations in India for annual sunshine, below the national median of 2,654 hours. Rain has a clear season: the wettest stretch, around August, carries about 44% of the annual 2,567 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 85 | 28° / 82°F | 26° / 79°F | 42 mm | 9 | 29° / 84°F |
| February | 90 | 28° / 82°F | 27° / 81°F | 12 mm | 11 | 29° / 84°F |
| March | 85 | 29° / 84°F | 27° / 81°F | 40 mm | 12 | 30° / 86°F |
| April | 79 | 30° / 86°F | 29° / 84°F | 72 mm | 12 | 31° / 88°F |
| May | 65 | 30° / 86°F | 29° / 84°F | 359 mm | 9 | 32° / 90°F |
| June | 65 | 29° / 84°F | 28° / 82°F | 384 mm | 8 | 30° / 86°F |
| July | 65 | 29° / 84°F | 28° / 82°F | 370 mm | 9 | 29° / 84°F |
| August | 65 | 28° / 82°F | 28° / 82°F | 344 mm | 9 | 29° / 84°F |
| September | 65 | 28° / 82°F | 27° / 81°F | 410 mm | 9 | 29° / 84°F |
| October | 65 | 28° / 82°F | 28° / 82°F | 231 mm | 10 | 30° / 86°F |
| November | 65 | 29° / 84°F | 28° / 82°F | 190 mm | 9 | 30° / 86°F |
| December | 72 | 28° / 82°F | 27° / 81°F | 113 mm | 8 | 29° / 84°F |
Sea temperature in Port Blair by month
The sea off Port Blair is warmest in May at around 32°C / 90°F, and coolest in January at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Port Blair: questions and answers
What kind of destination is Port Blair?
Port Blair is a beach resort in India with a tropical monsoon climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Port Blair get a year?
Port Blair gets about 2,322 hours of sunshine a year, at its best around February.
When is the best time to visit Port Blair?
The sunniest time to visit Port Blair is February, when the Sunshine Score peaks at 90/100 (with January and March close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Port Blair?
May is the least sunny month in Port Blair, scoring 65/100 with about 359 mm of rain.
What is the sea temperature in Port Blair?
The sea in Port Blair ranges from about 29°C (January) to 32°C (May). Month-by-month sea temperatures are on this page.
How strong is the sun in Port Blair?
The typical midday UV index in Port Blair peaks around 12 (extreme) in March, easing to about 8 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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