The climate in De Kalb during August can be summarized as hot, humid and a little damp.
August is in the summer in De Kalb and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 33.3°C 91.9°F |
|---|---|
| Nightly temperature | 20.3°C 68.5°F |
| Average temperature | 26.8°C 80.2°F |
| Daily sunshine | 8.6 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 9 days |
| Sea temperature | 28.1°C 82.6°F |
| Humidity | 76% |
| Windspeed | 8.6kph 5 mph |
On average August is the 4th driest month of the year in De Kalb with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 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 De Kalb in August 2025.
Best places to visit in August
| Hottest month: | July | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | October | 79mm 3.1ins |
| Sunniest month: | October | 7.8hrs |
| Coldest month: | January | 12.3°C 54.1°F |
| Wettest month: | March | 161mm 6.3ins |