Williamson Airport Rainfall Forecast
- 30%
- 45%
- 25%
- 30%
- 55%
- 35%
- 30%
Williamson Airport Rainfall Statistics
July Rainfall
Mattoon / Charleston, Coles County Memorial Airport (13 miles)
Total Rainfall July
0.02inDaily Average July
0inWettest Day 1 July, 2025
0.02inWet Days July
1/8 (13%)
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