Port Blair, Andaman and Nicobar Weather by Month and Climate Averages

How much rain does Port Blair get?

Port Blair gets 2337 mm of precipitation in an average year, spread over about 139 days with measurable rain. That is more rainy days than 98% of India.

September is the wettest month, with 393 mm. February is the driest, with 11 mm. July has the most rainy days, about 22.

Port Blair weather by month

Port Blair weather in January

In January, Port Blair averages a high of 30°C and a low of 23°C. It gets 45 mm of precipitation over about 3 rainy days. The sun is out about 58% of daylight hours. The January record high is 32°C (2016) and the record low is 10°C (1974).

Port Blair weather in February

In February, Port Blair averages a high of 31°C and a low of 23°C. It gets 11 mm of precipitation over about 1 rainy days. The sun is out about 66% of daylight hours. The February record high is 34°C (2009) and the record low is 14°C (1989).

Port Blair weather in March

In March, Port Blair averages a high of 32°C and a low of 23°C. It gets 45 mm of precipitation over about 3 rainy days. The sun is out about 57% of daylight hours. The March record high is 36°C (2015) and the record low is 16°C (1977).

Port Blair weather in April

In April, Port Blair averages a high of 33°C and a low of 24°C. It gets 62 mm of precipitation over about 5 rainy days. The sun is out about 53% of daylight hours. The April record high is 39°C (1973) and the record low is 19°C (1978).

Port Blair weather in May

In May, Port Blair averages a high of 31°C and a low of 24°C. It gets 301 mm of precipitation over about 15 rainy days. The sun is out about 25% of daylight hours. The May record high is 38°C (1987) and the record low is 20°C (1978).

Port Blair weather in June

In June, Port Blair averages a high of 30°C and a low of 24°C. It gets 350 mm of precipitation over about 19 rainy days. The sun is out about 10% of daylight hours. The June record high is 37°C (1979) and the record low is 18°C (1978).

Port Blair weather in July

In July, Port Blair averages a high of 29°C and a low of 24°C. It gets 333 mm of precipitation over about 22 rainy days. The sun is out about 8% of daylight hours. The July record high is 32°C (1974) and the record low is 16°C (1987).

Port Blair weather in August

In August, Port Blair averages a high of 29°C and a low of 24°C. It gets 313 mm of precipitation over about 19 rainy days. The sun is out about 11% of daylight hours. The August record high is 33°C (2020) and the record low is 18°C (1977).

Port Blair weather in September

In September, Port Blair averages a high of 29°C and a low of 24°C. It gets 393 mm of precipitation over about 19 rainy days. The sun is out about 12% of daylight hours. The September record high is 35°C (2005) and the record low is 19°C (1989).

Port Blair weather in October

In October, Port Blair averages a high of 31°C and a low of 24°C. It gets 239 mm of precipitation over about 16 rainy days. The sun is out about 20% of daylight hours. The October record high is 34°C (1999) and the record low is 18°C (1989).

Port Blair weather in November

In November, Port Blair averages a high of 31°C and a low of 24°C. It gets 147 mm of precipitation over about 10 rainy days. The sun is out about 32% of daylight hours. The November record high is 34°C (2007) and the record low is 18°C (1986).

Port Blair weather in December

In December, Port Blair averages a high of 30°C and a low of 24°C. It gets 99 mm of precipitation over about 7 rainy days. The sun is out about 43% of daylight hours. The December record high is 33°C (2011) and the record low is 15°C (1974).

Sunshine, humidity and wind in Port Blair

February is the sunniest month in Port Blair, with sunshine about 66% of daylight hours. July is the cloudiest, at 8%. Over the year the sun shines about 33% of daylight hours. Port Blair is cloudier than 82% of India.

Humidity peaks in July at 85% and is lowest in January at 74%.

Port Blair has about 28 days a year above 32°C. Port Blair is cooler than 95% of India.

Port Blair weather records

The hottest temperature on record at the Port Blair station is 39°C, on April 14, 1973. The coldest is 10°C, on January 4, 1974.

The wettest day on record brought 298 mm of rain, on July 12, 1998.

15 all-time records have been set at the station since 1970.

The best time to visit Port Blair

Winter (December–February) is hot, with average highs around 30°C and lows near 23°C.

Spring (March–May) is hot, with average highs around 32°C and lows near 24°C.

Summer (June–August) is hot, with average highs around 30°C and lows near 24°C. It can feel humid.

Autumn (September–November) is hot, with average highs around 30°C and lows near 24°C.

Port Blair climate questions

How much rain does Port Blair get?

Port Blair gets 2337 mm of precipitation in an average year, over about 139 rainy days.

What is the wettest month in Port Blair?

September is the wettest month in Port Blair, with 393 mm. February is the driest, with 11 mm.

How many rainy days does Port Blair have a year?

Port Blair has about 139 days with measurable rain in an average year. July has the most, about 22.

What is the hottest month in Port Blair?

April is the warmest month in Port Blair, with an average high of 33°C.

What is the coldest month in Port Blair?

January is the coldest month in Port Blair, with an average low of 23°C.

What is the record high temperature in Port Blair?

The record high at the Port Blair station is 39°C, set on April 14, 1973. The record low is 10°C, on January 4, 1974.

What is the sunniest month in Port Blair?

February is the sunniest month in Port Blair, with sunshine about 66% of daylight hours. July is the cloudiest.