Monthly weather forecast and climate
Port Blair, India

How much does it rain in Port Blair?

In Port Blair, India, during the entire year, the rain falls for 156.3 days and collects up to 3034.8mm (119.5") of precipitation.

When is the sea coldest in Port Blair?

January is the month with the coldest seawater, with an average sea temperature of 27.8°C (82°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the driest month in Port Blair?

The month with the least rainfall is February when the rain falls for 1.5 days and typically collects 26.5mm (1") of precipitation.

What is the warmest month in Port Blair?

With an average high-temperature of 32.2°C (90°F) and an average low-temperature of 23.4°C (74.1°F), April is the warmest month in Port Blair, India.

When is the sea warmest in Port Blair?

April and May, with an average sea temperature of 30.3°C (86.5°F), are months with the warmest seawater in Port Blair, India. The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

What is the wettest month in Port Blair?

June is the month with the most rainfall in Port Blair. Rain falls for 23 days and accumulates 501.1mm (19.7") of precipitation.

What are the coldest months in Port Blair?

August and December, with an average high-temperature of 29.1°C (84.4°F), are the coldest months in Port Blair.
Average temperature - Port Blair, India
Average humidity - Port Blair, India
Average rainfall - Port Blair, India

The wettest month (with the highest rainfall) is June (501.1mm).
The driest month (with the lowest rainfall) is February (26.5mm).

Average rainfall days - Port Blair, India

The month with the highest number of rainy days is August (23.4 days).
The month with the lowest number of rainy days is March (1.4 days).

Average sea temperature - Port Blair, India

Best months for swimming (with the highest average sea temperature) are April and May (30.3°C).
The coldest month (with the lowest average sea temperature) is January (27.8°C).

Average daylight / Average sunshine - Port Blair, India

The month with the longest days is June (Average daylight: 12.8h).
Months with shortest days are January and December (Average daylight: 11.5h).

The month with most sunshine is February (Average sunshine: 9.4h).
The month with least sunshine is June (Average sunshine: 2.9h).

Average UV index - Port Blair, India

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 10).