Champaign (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Champaign.
Climate overview of Champaign
Champaign, Illinois, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 1°C (34°F) in January.
The city has a wet climate, receiving around 1074 mm (42 in) of rain/snowfall per year. June is the wettest month.
Champaign Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Champaign — and find the best time to visit.
Monthly Temperature in Champaign
Depending on the time of the year, temperatures range from comfortable to very cold in Champaign. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 1°C (34°F) in January.
Nighttime temperatures range from 18°C (64°F) in July to -8°C (18°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Champaign
Champaign has a relatively rain/snowy climate with high precipitation levels, averaging 1074 mm (42 in) of rain/snowfall annually. The seasons in Champaign bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 153 mm (6 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 48 mm (1.9 in) over 9 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Champaign Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Champaign
Rainfall during this time ranges from 73 mm (2.9 in) in August to 121 mm (4.8 in) in July. This means you can expect a mix of sunny days and occasional showers. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Champaign
What is the best time to visit Champaign?
August and September typically offer the most optimal weather in Champaign. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Champaign?
Daytime highs range from 1°C (34°F) in January to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Champaign get?
Annual rainfall is around 1074 mm (42 in). June is the wettest month with 153 mm (6 in), while January is the driest with 48 mm (1.9 in).
Champaign 3-Day Forecast
Champaign (IL) 3-Day Forecast
Champaign on the map
Champaign is highlighted — select any city to see its climate.
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