The climate in Olney during August can be summarized as hot, humid and a little damp.
August is in the summer in Olney and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 29.9°C 85.7°F |
|---|---|
| Nightly temperature | 17.6°C 63.6°F |
| Average temperature | 23.7°C 74.7°F |
| Daily sunshine | 10.2 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 8 days |
| Sea temperature | 23.2°C 73.7°F |
| Humidity | 73% |
| Windspeed | 11.5kph 7 mph |
On average August is the 5th driest month of the year in Olney with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 hours of sunshine per day.
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 Olney in August 2025.
Best places to visit in August
| Hottest month: | July | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | January | 65mm 2.6ins |
| Sunniest month: | July | 11hrs |
| Coldest month: | January | 2.1°C 35.8°F |
| Wettest month: | May | 110mm 4.3ins |