Monthly weather forecast and climate
Port Blair, India

February is the best period for swimming and other water activities in Port Blair, India, as the sea temperature is 28.3°C (82.9°F), the rain falls for only 3.8 days, and 15mm (0.59") of rainfall is accumulated.

January, the same as December, is a moderately hot winter month in Port Blair, India, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 27.9°C (82.2°F). The coldest month is January, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 26.3°C (79.3°F). The average heat index in January is estimated at a hot 31°C (87.8°F). Weather in January »

February, the last month of the winter, in Port Blair, is another warm month, with average temperature ranging between max 28.1°C (82.6°F) and min 26.3°C (79.3°F). The perfect water temperature of 28.3°C (82.9°F) with 15mm (0.59") of accumulated rainfall and only 3.8 rainfall days, makes February a great period for swimming and other water activities. Weather in February »

The first month of the pre-monsoon summer, March, is still a warm month in Port Blair, India, with average temperature fluctuating between 27.2°C (81°F) and 29.1°C (84.4°F). In Port Blair, the average high-temperature in March is essentially the same as in February - a still warm 29.1°C (84.4°F). Weather in March »

April is a hot pre-monsoon summer month in Port Blair, India, with average temperature varying between 28.3°C (82.9°F) and 30.1°C (86.2°F). The warmest months are April and May, with an average high-temperature of 30.1°C (86.2°F). The average heat index is calculated to a sweltering 35.8°C (96.4°F). Weather in April »

The last month of the pre-monsoon summer, May, is also a hot month in Port Blair, India, with average temperature fluctuating between 28.8°C (83.8°F) and 30.1°C (86.2°F). April and May, with an average high-temperature of 30.1°C (86.2°F), are the warmest months. The average heat index is appraised at a very hot 36.6°C (97.9°F). Weather in May »

June, the first month of the rainy (monsoon) season, in Port Blair, is still a warm month, with average temperature ranging between min 28.1°C (82.6°F) and max 29.3°C (84.7°F). In June, the average high-temperature is practically the same as in May - a moderately hot 29.3°C (84.7°F). Weather in June »

July, the same as June, is another warm rainy (monsoon) season month in Port Blair, India, with average temperature fluctuating between 27.8°C (82°F) and 28.8°C (83.8°F). In July, the average high-temperature is practically the same as in June - a still warm 28.8°C (83.8°F). Weather in July »

August, the same as July, is a moderately hot rainy (monsoon) season month in Port Blair, India, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 27.6°C (81.7°F). In August, the average high-temperature remains equal as in July - a still warm 28.8°C (83.8°F). Weather in August »

September, the last month of the rainy (monsoon) season, in Port Blair, is also a moderately hot month, with average temperature fluctuating between 28.4°C (83.1°F) and 27.5°C (81.5°F). In September, the average high-temperature is practically the same as in August - a still moderately hot 28.4°C (83.1°F). Weather in September »

October, the first month of the post monsoon autumn, in Port Blair, is still a warm month, with average temperature varying between 27.8°C (82°F) and 28.9°C (84°F). In October, the average high-temperature is essentially the same as in September - a still moderately hot 28.9°C (84°F). Weather in October »

November, the last month of the post monsoon autumn, in Port Blair, is still a warm month, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 27.8°C (82°F). In November, the average high-temperature is practically the same as in October - a still moderately hot 29.2°C (84.6°F). Weather in November »

The first month of the winter, December, is also a moderately hot month in Port Blair, India, with average temperature varying between 26.8°C (80.2°F) and 28.2°C (82.8°F). In December, the average high-temperature is relatively the same as in November - a still moderately hot 28.2°C (82.8°F). Weather in December »

What is the coldest month in Port Blair?

January is the coldest month, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 26.3°C (79.3°F).

How many days does it rain in Port Blair?

Throughout the year, there are 240.3 rainfall days, and 1806mm (71.1") of precipitation is accumulated.

What month is the sea coldest in Port Blair?

January is the month with the coldest seawater in Port Blair, India, with an average sea temperature of 27.8°C (82°F).

What is the month with the shortest days in Port Blair?

January and December, with an average of 11.5h of daylight, are months with the shortest days.

When is the highest UV index in Port Blair?

Months with the highest UV index in Port Blair are January through May, October through December, with an average maximum UV index of 7.

What is the driest month in Port Blair?

The month with the least rainfall is February when the rain falls for 3.8 days and typically collects 15mm (0.59") of precipitation.

What month has the most sunshine in Port Blair?

February has the most sunshine of the year in Port Blair, India, with an average of 9.9h of sunshine.

What is the least humid month in Port Blair?

With an average relative humidity of 70%, March is the least humid month in Port Blair, India.

What is the warmest month in Port Blair?

Warmest months are April and May, with an average high-temperature of 30.1°C (86.2°F).

What months are 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.

When are the longest days in Port Blair?

The month with the longest days in Port Blair, India, is June, with an average of 12.8h of daylight.

What is the month with the least sunshine in Port Blair?

Months with the least sunshine are June and September, with an average of 6.9h of sunshine.

When is the lowest UV index in Port Blair?

June through September, with an average maximum UV index of 6, are months with the lowest UV index in Port Blair, India.

What is the most humid month in Port Blair?

With an average relative humidity of 81%, July is the most humid month in Port Blair, India.

What is the wettest month in Port Blair?

September is the month with the most rainfall in Port Blair. Rain falls for 29 days and accumulates 266mm (10.47") of precipitation.
Average temperature - Port Blair, India

The warmest months (with the highest average high temperature) are April and May (30.1°C).
The month with the lowest average high temperature is January (27.9°C).

The month with the highest average low temperature is May (28.8°C).
The coldest months (with the lowest average low temperature) are January and February (26.3°C).

Average pressure - Port Blair, India

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1006.9mbar).

Average wind speed - Port Blair, India

The windiest month (with the highest average wind speed) is June (28.5km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).

Average rainfall - Port Blair, India

The wettest month (with the highest rainfall) is September (266mm).
The driest month (with the least rainfall) is February (15mm).

Average rainfall days - Port Blair, India

The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (3.8 days).

Average sea temperature - Port Blair, India

The 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 the shortest days are January and December (Average daylight: 11.5h).

The month with the most sunshine is February (Average sunshine: 9.9h).
Months with the least sunshine are June and September (Average sunshine: 6.9).

Average sunshine days - Port Blair, India

The month with the most sunshine days is February (23.2 days).
The month with the least sunshine days is September (0.6 days).

Average UV index - Port Blair, India

Months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
Months with the lowest UV index are June, July, August and September (UV index 6).

Average visibility - Port Blair, India

Months with the highest visibility are January, February, March, April, October, November and December (10km).
Months with the lowest visibility are May, June, July, August and September (9km).