Effingham (IL)
August
Weather in Effingham, Illinois for August 2025
Your guide to Effingham weather in August - trends and predictions
Heat Advisory - See hour by hour.
So far, August 2025 in Effingham is slightly warmer than the historical average by 0.9 °F.
The forecast for the next days in Effingham predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in Effingham at the beginning of August is 28.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.3 °F by the end of August.
Effingham experiences moderate rainfall in August, with an average of 8 rainy days and a total precipitation of 44.7 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
28°/18°
Temperatures
16 km/h
Avg max wind
71 %
Avg humidity
Effingham Weather August
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Temperatures trend during August in Effingham
See the weather trend as well as the moving average line
August weather in Effingham day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate rain at times | 29° /20° | 3.6 mm | 7 | |
| Aug. 2 | Moderate rain at times | 26° /17° | 0.9 mm | 6 | |
| Aug. 3 |  Cloudy | 28° /16° | 0 mm | 6 | |
| Aug. 4 |  Sunny | 28° /18° | 3.1 mm | 7 | |
| Aug. 5 | Sunny | 29° /20° | 0 mm | 7 | |
| Aug. 6 | Sunny | 30° /21° | 0 mm | 7 | |
| Aug. 7 |  Overcast | 27° /19° | 0 mm | 6 | |
| Aug. 8 | Sunny | 28° /19° | 0 mm | 7 | |
| Aug. 9 | Overcast | 28° /18° | 0 mm | 6 | |
| Aug. 10 |  Partly cloudy | 28° /17° | 0 mm | 7 | |
| Aug. 11 | Partly cloudy | 28° /18° | 0 mm | 7 | |
| Aug. 12 | Moderate rain at times | 27° /19° | 2.7 mm | 6 | |
| Aug. 13 | Overcast | 27° /18° | 52 mm | 6 | |
| Aug. 14 | Partly cloudy | 29° /17° | 0 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 30° /18° | 1.9 mm | 7 | |
| Aug. 16 |  Patchy rain possible | 32° /21° | 5 mm | 8 | |
| Aug. 17 | Patchy rain possible | 30° /21° | 0.9 mm | 7 | |
| Aug. 18 | Partly cloudy | 35° /22° | 0 mm | 2.2 | |
| Aug. 19 | Patchy rain possible | 35° /23° | 0.5 mm | 2.2 | |
| Aug. 20 | Partly cloudy | 26° /22° | 0 mm | 1.2 | |
| Aug. 21 | Cloudy | 25° /17° | 0 mm | 2.1 | |
| Aug. 22 | Sunny | 29° /17° | 0 mm | 0 | |
| Aug. 23 | Sunny | 28° /17° | 0 mm | 6 | |
| Aug. 24 | Sunny | 26° /13° | 0 mm | 5 | |
| Aug. 25 | Patchy rain possible | 21° /13° | 0.3 mm | 4 | |
| Aug. 26 | Partly cloudy | 24° /14° | 0 mm | 5 | |
| Aug. 27 | Sunny | 24° /12° | 0 mm | 5 | |
| Aug. 28 | Sunny | 26° /11° | 0 mm | 5 | |
| Aug. 29 | Sunny | 28° /15° | 0 mm | 6 | |
| Aug. 30 | Patchy rain possible | 29° /16° | 0.6 mm | 5 | |
| Aug. 31 | Sunny | 32° /17° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Effingham 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 Effingham forecast closer to your planned date for the most up-to-date weather information.
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Effingham in August - FAQ
What are the expected maximum and minimum temperatures in Effingham during August?
During August, expect a variety of temperatures with highs around 28° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Effingham during August?
In August, Effingham can expect light to moderate rainfall, totaling 44.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Effingham during August?
The average wind speed in Effingham during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Effingham
Explore the daily rainfall trends and prepare for Effinghams August weather 💧
UV exposure in Effingham during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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