Rock Island Weather in July
What's the weather like in Rock Island (Illinois) in July 2024?
The climate in Rock Island during July can be summarized as hot, humid and damp.
July is in the summer in Rock Island and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 30.2°C 86.4°F |
|---|---|
| Nightly temperature | 18.2°C 64.8°F |
| Average temperature | 24.2°C 75.6°F |
| Daily sunshine | 10.6 hrs |
| Avg rainfall | 114 mm 4.5 ins |
| Rainy days | 10 days |
| Sea temperature | 16.5°C 61.7°F |
| Humidity | 71% |
| Windspeed | 13.7kph 9 mph |
On average July is the wettest month of the year in Rock Island with around 114mm 4.5 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 10.6 hours of sunshine per day.
July temperatures in Rock Island
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 Rock Island in July 2024.
Other monthly averages
Rock Island weather stats
| Hottest month: | July | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | February | 26mm 1ins |
| Sunniest month: | July | 10.6hrs |
| Coldest month: | January | -2.3°C 27.9°F |
| Wettest month: | July | 114mm 4.5ins |
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