Champaign (IL)
August
Weather in Champaign, Illinois for August 2026
Your guide to Champaign weather in August - trends and predictions
In general, the average temperature in Champaign at the beginning of August is 26.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.9 °F by the end of August.
Champaign experiences moderate rainfall in August, with an average of 8 rainy days and a total precipitation of 37.5 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
23
Dry days
8
Rainy days
0
Snow days
27°/17°
Temperatures
16 km/h
Avg max wind
79 %
Avg humidity
Champaign Weather August
Move between months or click on a day
Temperatures trend during August in Champaign
See the weather trend as well as the moving average line
August weather in Champaign day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Overcast | 27° /16° | 0 mm | 6 | |
| Aug. 2 |  Fog | 25° /12° | 0 mm | 6 | |
| Aug. 3 |  Cloudy | 25° /13° | 0 mm | 6 | |
| Aug. 4 |  Light rain shower | 25° /15° | 3.6 mm | 6 | |
| Aug. 5 | Fog | 25° /18° | 0 mm | 6 | |
| Aug. 6 | Mist | 28° /18° | 0 mm | 6 | |
| Aug. 7 | Fog | 30° /19° | 0 mm | 7 | |
| Aug. 8 | Cloudy | 30° /22° | 0.8 mm | 7 | |
| Aug. 9 |  Thundery outbreaks possible | 33° /21° | 0 mm | 7 | |
| Aug. 10 | Thundery outbreaks possible | 31° /22° | 3.1 mm | 7 | |
| Aug. 11 | Mist | 31° /21° | 0 mm | 7 | |
| Aug. 12 |  Partly cloudy | 32° /22° | 3.6 mm | 8 | |
| Aug. 13 | Fog | 27° /21° | 4.6 mm | 6 | |
| Aug. 14 | Partly cloudy | 30° /16° | 0 mm | 8 | |
| Aug. 15 | Overcast | 29° /17° | 0 mm | 6 | |
| Aug. 16 | Thundery outbreaks possible | 35° /22° | 0 mm | 8 | |
| Aug. 17 |  Moderate or heavy rain shower | 31° /21° | 7.4 mm | 7 | |
| Aug. 18 | Fog | 29° /21° | 0 mm | 6 | |
| Aug. 19 | Moderate or heavy rain shower | 30° /23° | 11.2 mm | 7 | |
| Aug. 20 | Fog | 29° /17° | 0 mm | 6 | |
| Aug. 21 | Fog | 24° /16° | 0 mm | 5 | |
| Aug. 22 | Fog | 26° /17° | 0 mm | 6 | |
| Aug. 23 | Cloudy | 27° /16° | 0 mm | 6 | |
| Aug. 24 | Mist | 24° /11° | 0 mm | 5 | |
| Aug. 25 | Overcast | 20° /11° | 0 mm | 5 | |
| Aug. 26 | Mist | 23° /6° | 0 mm | 5 | |
| Aug. 27 | Cloudy | 24° /12° | 0 mm | 5 | |
| Aug. 28 | Moderate rain at times | 27° /13° | 3.2 mm | 6 | |
| Aug. 29 | Fog | 26° /11° | 0 mm | 6 | |
| Aug. 30 | Overcast | 21° /13° | 0 mm | 5 | |
| Aug. 31 | Overcast | 26° /15° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Champaign in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Champaign forecast closer to your planned date for the most up-to-date weather information.
Change Month
Champaign in August - FAQ
What are the expected maximum and minimum temperatures in Champaign during August?
During August, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Champaign during August?
In August, Champaign can expect light to moderate rainfall, totaling 37.5 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Champaign during August?
The average wind speed in Champaign during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Champaign
Explore the daily rainfall trends and prepare for Champaigns August weather 💧
UV exposure in Champaign during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Quick links
More Champaign weather pages
You are here
Where is Champaign?Get accurate weather forecasts for Champaign, located at latitude 40.116 and longitude -88.243. Stay updated with localized weather information tailored for Champaign.
Found a mistake?
We appreciate your attention to details. Tell us here.