Williamson Airport Rainfall Forecast
- 50%
- 60%
- 50%
- 55%
- 25%
- 10%
- 10%
Williamson Airport Rainfall Statistics
July Rainfall
Mattoon / Charleston, Coles County Memorial Airport (13 miles)
Total Rainfall July
1.8inDaily Average July
0.1inWettest Day 6 July, 2025
0.9inWet Days July
7/18 (39%)
Climate (2010–Present)
Mattoon / Charleston, Coles County Memorial Airport (13 miles)
Annual Average 2020–2024
36.6inMonthly Average 2020–2025
3.1inDaily Average 2020–2025
0.1inWettest Day 9 July, 2024
3.6in