Kollam
India
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Kollam, India

The best months for a swim in Kollam, India, are January through March and December, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

January, like December, is another tropical winter month in Kollam, India, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 31°C (87.8°F). The ideal sea water temperature of 28.1°C (82.6°F) and only 1 rainfall days, with 18mm (0.7") of accumulated rainfall, make January the best time for swimming and other water activities. Weather in January »

February, the last month of the winter, in Kollam, is also a hot month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 23°C (73.4°F). The ideal sea water temperature of 28.6°C (83.5°F) and only 2 rainfall days, with 26mm (1") of accumulated rainfall, make February the best time for swimming and other water activities. Weather in February »

March, the first month of the pre-monsoon summer, in Kollam, is still a hot month, with average temperature fluctuating between 32°C (89.6°F) and 25°C (77°F). The ideal sea water temperature of 29.3°C (84.7°F) and only 4 rainfall days, with 53mm (2.1") of accumulated rainfall, make March the best time for swimming and other water activities. Weather in March »

April, the same as March, in Kollam, India, is another tropical pre-monsoon summer month, with average temperature fluctuating between 32°C (89.6°F) and 26°C (78.8°F). The warmest months are March and April, with an average high-temperature of 32°C (89.6°F). Weather in April »

The last month of the pre-monsoon summer, May, is another hot month in Kollam, India, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 25°C (77°F). In Kollam, India, the average high-temperature is relatively the same as in April - a still tropical 31°C (87.8°F). Weather in May »

June, the first month of the rainy (monsoon) season, in Kollam, is still a warm month, with average temperature varying between 29°C (84.2°F) and 24°C (75.2°F). June through September and November, with an average high-temperature of 29°C (84.2°F), are the coldest months. Weather in June »

July, the same as June, is another warm rainy (monsoon) season month in Kollam, India, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 29°C (84.2°F). June through September and November, with an average high-temperature of 29°C (84.2°F), are the coldest months. In Kollam, India, during 19 rainfall days, 381mm (15") of precipitation is typically accumulated. Weather in July »

August, the same as July, is a moderately hot rainy (monsoon) season month in Kollam, India, with average temperature varying between 24°C (75.2°F) and 29°C (84.2°F). June through September and November, with an average high-temperature of 29°C (84.2°F), are the coldest months. In Kollam, during August, the rain falls for 16 days and regularly aggregates up to 248mm (9.8") of precipitation. Weather in August »

The last month of the rainy (monsoon) season, September, is another warm month in Kollam, India, with average temperature varying between 24°C (75.2°F) and 29°C (84.2°F). The coldest months are June through September and November, with an average high-temperature of 29°C (84.2°F). Weather in September »

October, the first month of the post monsoon autumn, in Kollam, is a hot month, with average temperature fluctuating between 24°C (75.2°F) and 30°C (86°F). In Kollam, India, the average high-temperature is relatively the same as in September - a tropical 30°C (86°F). Weather in October »

November, the last month of the post monsoon autumn, in Kollam, is still a warm month, with average temperature varying between 24°C (75.2°F) and 29°C (84.2°F). June through September and November, with an average high-temperature of 29°C (84.2°F), are the coldest months. In Kollam, during November, the rain falls for 8 days and regularly aggregates up to 208mm (8.2") of precipitation. Weather in November »

December, the first month of the winter, in Kollam, is a hot month, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 30°C (86°F). The ideal sea water temperature of 28.4°C (83.1°F) and only 3 rainfall days, with 51mm (2") of accumulated rainfall, make December the best time for swimming and other water activities. Weather in December »

How much does it rain in Kollam?

In Kollam, India, during the entire year, the rain falls for 117 days and collects up to 2427mm (95.6") of precipitation.

What is the driest month in Kollam?

January is the month with the least rainfall in Kollam, India. Rain falls for 1 days and accumulates 18mm (0.7") of precipitation.

What are the months with the most sunshine in Kollam?

January and February, with an average of 9h of sunshine, are months with the most sunshine.

What are the months with the highest UV index in Kollam?

Months with the highest UV index in Kollam, India, are February through October, with an average maximum UV index of 12.

What are the warmest months in Kollam?

March and April, with an average high-temperature of 32°C (89.6°F), are warmest months in Kollam, India.

What is the month with the warmest sea water in Kollam?

April is the month with the warmest seawater, with an average sea temperature of 29.9°C (85.8°F).

What is the coldest month in Kollam?

The coldest months are June through September and November, with an average high-temperature of 29°C (84.2°F).

What is the wettest month in Kollam?

June is the month with the most rainfall. Rain falls for 21 days and accumulates 518mm (20.4") of precipitation.

When are the longest days in Kollam?

June and July, with an average of 12.6h of daylight, are months with the longest days in Kollam, India.

What is the month with the least sunshine in Kollam?

June and July, with an average of 5h of sunshine, are months with the least sunshine in Kollam, India.

What is the month with the coldest sea water in Kollam?

The month with the coldest seawater is August, with an average sea temperature of 26.9°C (80.4°F).

What is the month with the shortest days in Kollam?

The month with the shortest days is December, with an average of 11.6h of daylight.

What is the month with the lowest UV index in Kollam?

The month with the lowest UV index is December, with an average maximum UV index of 10.
Average temperature - Kollam, India
Average rainfall - Kollam, India
Average rainfall days - Kollam, India
Average sea temperature - Kollam, India

The best month for swimming (with the highest average sea temperature) is April (29.9°C).
The coldest month (with the lowest average sea temperature) is August (26.9°C).

Average daylight / Average sunshine - Kollam, India
Average UV index - Kollam, India

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