Plymouth Weather in August
What's the weather like in Plymouth (Saint Anthony) in August 2025?
The climate in Plymouth during August can be summarized as hot, humid and wet.
August is in the summer in Plymouth and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 23.3°C 73.9°F |
| Average temperature | 26.5°C 79.7°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 181 mm 7.1 ins |
| Rainy days | 20 days |
| Sea temperature | 28.6°C 83.6°F |
| Humidity | 79% |
| Windspeed | 21.2kph 13 mph |
On average August is the 2nd wettest month of the year in Plymouth with around 181mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
August temperatures in Plymouth
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 Plymouth in August 2025.
Other monthly averages
Best places to visit in August
Plymouth weather stats
| Hottest month: | August | 29.6°C 85.3°F |
|---|---|---|
| Driest month: | February | 65mm 2.6ins |
| Sunniest month: | January | 8.1hrs |
| Coldest month: | February | 26.7°C 80.1°F |
| Wettest month: | September | 203mm 8ins |
© Google