Eureka Weather in July

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

The climate in Eureka during July can be summarized as hot, humid and damp.

July is in the summer in Eureka 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 (63°F) is normal.

Eureka weather averages (imperial / metric)
Daytime temperature 30.2°C 86.3°F
Nightly temperature 17.5°C 63.4°F
Average temperature 23.8°C 74.8°F
Daily sunshine 10.8 hrs
Avg rainfall 106 mm 4.2 ins
Rainy days 9 days
Sea temperature 17.7°C 63.8°F
Humidity 71%
Windspeed 13.7kph 9 mph

On average July is the wettest month of the year in Eureka with around 106mm 4.2 inches of rain making it a 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 10.8 hours of sunshine per day.

July temperatures in Eureka

Eureka average temperature in July

July rainfall

Eureka average rain in July

July hourly sunshine

Eureka 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 Eureka in July 2024.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Eureka weather stats

Eureka weather statistics
Hottest month: July 29.8°C 85.6°F
Driest month: February 41mm 1.6ins
Sunniest month: July 10.8hrs
Coldest month: January -1.4°C 29.5°F
Wettest month: July 106mm 4.2ins
Map showing location of Eureka (40.72143, -89.27286) Eureka map pin © Google

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