Crystal Lake Weather in July

What's the weather like in Crystal Lake (Illinois) in July 2024?

The climate in Crystal Lake during July can be summarized as warm, humid and damp.

July is in the summer in Crystal Lake and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 17°C (62°F) is normal.

Crystal Lake weather averages (imperial / metric)
Daytime temperature 28.5°C 83.3°F
Nightly temperature 16.5°C 61.7°F
Average temperature 22.5°C 72.5°F
Daily sunshine 10.9 hrs
Avg rainfall 101 mm 4 ins
Rainy days 10 days
Sea temperature 18.2°C 64.8°F
Humidity 70%
Windspeed 14.8kph 9 mph

On average July is the 2nd wettest month of the year in Crystal Lake with around 101mm 4 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 Crystal Lake

Crystal Lake average temperature in July

July rainfall

Crystal Lake average rain in July

July hourly sunshine

Crystal Lake average rain in July

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 Crystal Lake in July 2024.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Crystal Lake weather stats

Crystal Lake weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: February 32mm 1.3ins
Sunniest month: July 10.9hrs
Coldest month: January -2.7°C 27.1°F
Wettest month: June 102mm 4ins
Map showing location of Crystal Lake (42.24113, -88.3162) Crystal Lake map pin © Google

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