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Contents
- The best time to visit Kollam
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
Climate and monthly weather forecast
The best time to visit Kollam
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.
Weather in January
January, like December, is another hot winter month in Kollam, India, with an average temperature ranging between min 23°C (73.4°F) and max 31°C (87.8°F). The ideal sea water temperature of 28.1°C (82.6°F) and only 1 rainfall days, with 18mm (0.71") of accumulated rainfall, makes January the best time for swimming and other water activities. Weather in January »
Weather in February
The last month of the winter, February, is also a 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 23°C (73.4°F). The ideal sea water temperature of 28.6°C (83.5°F) and only 2 rainfall days, with 26mm (1.02") of accumulated rainfall, makes February the best time for swimming and other water activities. Weather in February »
Weather in March
March, the first month of the pre-monsoon summer in Kollam, is also a hot month, with temperature in the range of an average low of 25°C (77°F) and an average high of 32°C (89.6°F). The perfect water temperature of 29.3°C (84.7°F) with 53mm (2.09") of accumulated rainfall and only 4 rainfall days, makes March a great period for swimming and other water activities. Weather in March »
Weather in April
April, like March, is a hot pre-monsoon summer month in Kollam, India, with an average temperature fluctuating between 32°C (89.6°F) and 26°C (78.8°F). The warmest period is usually observed in March and April, with the average high-temperature peaking at 32°C (89.6°F). Weather in April »
Weather in May
The last month of the pre-monsoon summer, May, is another hot month in Kollam, India, with an average temperature fluctuating between 31°C (87.8°F) and 25°C (77°F). Kollam records an average high-temperature of a still hot 31°C (87.8°F) as May arrives, nearly mirroring the previous month's climate. Weather in May »
Weather in June
June, the first month of the rainy (monsoon) season in Kollam, is still a warm month, with an average temperature varying between 29°C (84.2°F) and 24°C (75.2°F). Kollam experiences lowest temperatures, averaging a high-temperature of 29°C (84.2°F) during June through September and November. Weather in June »
Weather in July
July, the same as June, is a moderately hot rainy (monsoon) season month in Kollam, India, with an average temperature ranging between min 24°C (75.2°F) and max 29°C (84.2°F). The lowest level of Kollam's temperatures is noted during June through September and November, averaging a high-temperature of 29°C (84.2°F). In Kollam, in July, during 19 rainfall days, 381mm (15") of precipitation is typically accumulated. Weather in July »
Weather in August
August, the same as July, is another warm rainy (monsoon) season month in Kollam, India, with an average temperature ranging between max 29°C (84.2°F) and min 24°C (75.2°F). Kollam witnesses its lowest temperatures during June through September and November, when the average high-temperature reaches 29°C (84.2°F). In Kollam, in August, it is raining for 16 days, with typically 248mm (9.76") of accumulated precipitation. Weather in August »
Weather in September
September, the last month of the rainy (monsoon) season in Kollam, is another warm month, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 24°C (75.2°F). Kollam experiences the lowest of its temperatures in June through September and November, when the average high-temperatures rise to 29°C (84.2°F). Weather in September »
Weather in October
The first month of the post-monsoon autumn, October, is a tropical month in Kollam, India, with an average temperature ranging between max 30°C (86°F) and min 24°C (75.2°F). With the advent of October, Kollam's high-temperatures adjust to a hot 30°C (86°F), closely aligning with the preceding month. Weather in October »
Weather in November
The last month of the post-monsoon autumn, November, is also a moderately hot month in Kollam, India, with an average temperature ranging between min 24°C (75.2°F) and max 29°C (84.2°F). In Kollam, India, the coldest months are June through September and November, registering an average high-temperature of 29°C (84.2°F). In Kollam, during November, the rain falls for 8 days and regularly aggregates up to 208mm (8.19") of precipitation. Weather in November »
Weather in December
December, the first month of the winter in Kollam, is a hot month, with an average temperature varying between 30°C (86°F) and 23°C (73.4°F). The perfect water temperature of 28.4°C (83.1°F) with 51mm (2.01") of accumulated rainfall and only 3 rainfall days, makes December a great period for swimming and other water activities. Weather in December »
Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the driest month in Kollam?
The month with the least rainfall in Kollam, India, is January, when the rain falls for 1 days and typically collects 18mm (0.71") of precipitation.
How much does it rain in Kollam?
In Kollam, during the entire year, the rain falls for 117 days and collects up to 2427mm (95.55") of precipitation.
What is the month 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?
February through October, with an average maximum UV index of 12, are months with the highest UV index in Kollam.
What time of the year is the hottest in Kollam?
March and April are known as Kollam's warmest months, with an average high-temperature of 32°C (89.6°F).
What month is the sea warmest in Kollam?
April is the month with the warmest seawater in Kollam, India, with an average sea temperature of 29.9°C (85.8°F).
What are the coldest months in Kollam?
June through September and November are the coldest months in Kollam, India, with an average high-temperature of 29°C (84.2°F).
What is the wettest month in Kollam?
The month with the most rainfall in Kollam is June, when the rain falls for 21 days and typically aggregates up to 518mm (20.39") of precipitation.
When are the longest days in Kollam?
The month with the longest days is June, with an average of 12h and 36min of daylight.
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.
What month is the sea coldest 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?
December has the shortest days of the year, with an average of 11h and 36min of daylight.
Is there Daylight Saving Time (DST) in Kollam?
Kollam, India, does not observe Daylight Saving Time (DST). IST timezone is used over the entire year.
When is the lowest UV index in Kollam?
December is the month with the lowest UV index in Kollam, with an average maximum UV index of 10.
Average temperature
Kollam, India
The warmest months (with the highest average high temperature) are March and April (32°C).
The months with the lowest average high temperature are June, July, August, September and November (29°C).
The month with the highest average low temperature is April (26°C).
The coldest months (with the lowest average low temperature) are January, February and December (23°C).
Average rainfall
Kollam, India
- Average rainfall in January:
18mm - Average rainfall in February:
26mm - Average rainfall in March:
53mm - Average rainfall in April:
147mm - Average rainfall in May:
268mm - Average rainfall in June:
518mm
- Average rainfall in July:
381mm - Average rainfall in August:
248mm - Average rainfall in September:
209mm - Average rainfall in October:
300mm - Average rainfall in November:
208mm - Average rainfall in December:
51mm
The wettest month (with the highest rainfall) is June (518mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days
Kollam, India
- Average rainfall days in January:
1 days - Average rainfall days in February:
2 days - Average rainfall days in March:
4 days - Average rainfall days in April:
8 days - Average rainfall days in May:
11 days - Average rainfall days in June:
21 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8 days - Average rainfall days in December:
3 days
The month with the highest number of rainy days is June (21 days).
The month with the least rainy days is January (1 days).
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 daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 3min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
The months with the most sunshine are January and February (Average sunshine: 9h).
The months with the least sunshine are June and July (Average sunshine: 5h).
Average UV index
Kollam, India
The 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).
