Saint Charles Weather in July
What's the weather like in Saint Charles (Illinois) in July 2024?
The climate in Saint Charles during July can be summarized as warm and damp.
July is in the summer in Saint Charles and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 28.8°C 83.8°F |
|---|---|
| Nightly temperature | 16.6°C 61.9°F |
| Average temperature | 22.7°C 72.9°F |
| Daily sunshine | 10.9 hrs |
| Avg rainfall | 104 mm 4.1 ins |
| Rainy days | 10 days |
| Sea temperature | 18.1°C 64.6°F |
| Humidity | 70% |
| Windspeed | 14.4kph 9 mph |
On average July is the 2nd wettest month of the year in Saint Charles with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.9 hours of sunshine per day.
July temperatures in Saint Charles
July rainfall
July 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 Saint Charles in July 2024.
Other monthly averages
Saint Charles weather stats
| Hottest month: | July | 28.5°C 83.3°F |
|---|---|---|
| Driest month: | February | 35mm 1.4ins |
| Sunniest month: | July | 10.9hrs |
| Coldest month: | January | -2.3°C 27.9°F |
| Wettest month: | June | 106mm 4.2ins |
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