Falmouth Weather in August
What's the weather like in Falmouth (Trelawny) in August 2025?
The climate in Falmouth during August can be summarized as hot, humid and wet.
August is in the summer in Falmouth and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 30.9°C 87.6°F |
|---|---|
| Nightly temperature | 22.3°C 72.1°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 125 mm 4.9 ins |
| Rainy days | 13 days |
| Sea temperature | 29.4°C 85°F |
| Humidity | 79% |
| Windspeed | 11.5kph 7 mph |
On average August is the 6th driest month of the year in Falmouth with around 125mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
August temperatures in Falmouth
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 Falmouth in August 2025.
Other monthly averages
Best places to visit in August
Falmouth weather stats
| Hottest month: | August | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | March | 65mm 2.6ins |
| Sunniest month: | April | 8.7hrs |
| Coldest month: | January | 28°C 82.4°F |
| Wettest month: | October | 202mm 8ins |
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