Trincomalee Weather in August
What's the weather like in Trincomalee (Eastern Province) in August 2025?
The climate in Trincomalee during August can be summarized as very hot and a little damp.
August is in the summer in Trincomalee and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (94°F), whilst at night 26°C (78°F) is normal.
| Daytime temperature | 34.3°C 93.7°F |
|---|---|
| Nightly temperature | 25.6°C 78°F |
| Average temperature | 29.9°C 85.8°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 5 days |
| Sea temperature | 28.9°C 84.1°F |
| Humidity | 65% |
| Windspeed | 15.1kph 9 mph |
On average August is the 6th driest month of the year in Trincomalee with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
August temperatures in Trincomalee
August rainfall
August 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 August 2025.
Other monthly averages
Best places to visit in August
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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