Olney Weather in June

What's the weather like in Olney (Illinois) in June 2025?

The climate in Olney during June can be summarized as hot and a little damp.

June is in the summer in Olney and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (85°F), whilst at night 17°C (62°F) is normal.

Olney weather averages (imperial / metric)
Daytime temperature 29.3°C 84.7°F
Nightly temperature 16.8°C 62.2°F
Average temperature 23°C 73.4°F
Daily sunshine 11.1 hrs
Avg rainfall 95 mm 3.8 ins
Rainy days 9 days
Sea temperature 16.7°C 62.1°F
Humidity 67%
Windspeed 13.7kph 9 mph

On average June is the 5th wettest month of the year in Olney with around 95mm 3.8 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 11.1 hours of sunshine per day.

June temperatures in Olney

Olney average temperature in June

June rainfall

Olney average rain in June

June hourly sunshine

Olney average rain in June

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 Olney in June 2025.

Other monthly averages

Best places to visit in June

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Olney weather stats

Olney weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: January 65mm 2.6ins
Sunniest month: July 11hrs
Coldest month: January 2.1°C 35.8°F
Wettest month: May 110mm 4.3ins
Map showing location of Olney (38.73088, -88.08532) Olney map pin © Google

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