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Champaign weather in August 2025
Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Champaign in August. Check more long-term weather averages for Champaign in August before you book your next holiday to Illinois in 2025/2026.
- 8282°F max day temperature
- 9 hours of sunshine per day
- 99 days with some rainfall
- 6363°F min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 3.83.8 inches of monthly rainfall
- 88 (Very High) UV index
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Champaign by month
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Recommended for Illinois
The August weather guide for Illinois (Champaign) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about the USA
How hot is it in Champaign in August?
Daytime temperatures usually reach 82°F in Champaign in August with moderate heat and humidity, falling to 63°F at night.
How sunny is it in Champaign in August?
There are normally 9 hours of bright sunshine each day in Champaign in August - that's 68% of daylight hours.
Does it rain in Champaign in August?
There are usually 9 days with some rain in Champaign in August and the average monthly rainfall is 3.8 inches.
Champaign August sunrise & sunset times
Browse the sunrise and sunset times for Champaign in August 2025. Select a month to view Champaign sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:51 | 19:07 |
Saturday, 16th August 2025 | 05:06 | 18:48 |
Sunday, 31st August 2025 | 05:20 | 18:26 |
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