Weymouth Weather in August
What's the weather like in Weymouth (England) in August 2025?
The climate in Weymouth during August can be summarized as mild and reasonably dry.
August is in the summer in Weymouth and is typically the warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 19.8°C 67.6°F |
|---|---|
| Nightly temperature | 12.7°C 54.8°F |
| Average temperature | 16.2°C 61.2°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 59 mm 2.3 ins |
| Rainy days | 12 days |
| Sea temperature | 16.6°C 61.9°F |
| Humidity | 84% |
| Windspeed | 14kph 9 mph |
On average August is the 5th driest month of the year in Weymouth with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
August temperatures in Weymouth
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 Weymouth in August 2025.
Other monthly averages
Best places to visit in August
Weymouth weather stats
| Hottest month: | August | 19.6°C 67.3°F |
|---|---|---|
| Driest month: | July | 46mm 1.8ins |
| Sunniest month: | July | 8.1hrs |
| Coldest month: | February | 7.5°C 45.5°F |
| Wettest month: | December | 94mm 3.7ins |
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