Trincomalee Weather in May
What's the weather like in Trincomalee (Eastern Province) in May 2025?
The climate in Trincomalee during May can be summarized as very hot and reasonably dry.
May is in the spring in Trincomalee and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a hot 35°C (94°F), whilst at night 27°C (80°F) is normal.
| Daytime temperature | 34.6°C 94.2°F |
|---|---|
| Nightly temperature | 26.5°C 79.6°F |
| Average temperature | 30.5°C 86.9°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 49 mm 1.9 ins |
| Rainy days | 4 days |
| Sea temperature | 30°C 86°F |
| Humidity | 69% |
| Windspeed | 13.3kph 8 mph |
On average May is the 2nd driest month of the year in Trincomalee with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
May temperatures in Trincomalee
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 Trincomalee in May 2025.
Other monthly averages
Trincomalee weather stats
| Hottest month: | June | 34.6°C 94.3°F |
|---|---|---|
| Driest month: | June | 25mm 1ins |
| Sunniest month: | March | 9.2hrs |
| Coldest month: | January | 27.8°C 82°F |
| Wettest month: | December | 367mm 14.4ins |
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