Williamstown Rainfall Forecast
- 5%
- No Rain
- No Rain
- 5%
- No Rain
- 5%
- 5%
Williamstown Rainfall Statistics
December Rainfall
Keokuk Municipal Airport (24.2 miles)
Total Rainfall December
1.6inDaily Average December
0.1inWettest Day 28 December, 2025
1inWet Days December
5/30 (17%)
Climate (2010–Present)
Keokuk Municipal Airport (24.2 miles)
Annual Average 2020–2024
16.5inMonthly Average 2020–2025
1.1inDaily Average 2020–2025
0.04inWettest Day 10 April, 2021
1.9in