Kollam Weather in May
What's the weather like in Kollam (Kerala) in May 2025?
The climate in Kollam during May can be summarized as very hot, humid and very wet.
May is in the spring in Kollam and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 31.8°C 89.2°F |
|---|---|
| Nightly temperature | 25°C 77°F |
| Average temperature | 28.4°C 83.1°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 273 mm 10.7 ins |
| Rainy days | 11 days |
| Sea temperature | 29.8°C 85.7°F |
| Humidity | 79% |
| Windspeed | 9.4kph 6 mph |
On average May is the 6th wettest month of the year in Kollam with around 273mm 10.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
May temperatures in Kollam
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kollam in May 2025.
Other monthly averages
Kollam weather stats
| Hottest month: | April | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | January | 20mm 0.8ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | July | 29.2°C 84.6°F |
| Wettest month: | June | 515mm 20.3ins |
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