Williamstown Rainfall Forecast

Today 17 May
20%
Sun 18 May
No Rain
Mon 19 May
55%
Tue 20 May
95%
Wed 21 May
80%
Thu 22 May
20%
Fri 23 May
15%

Williamstown Rainfall Statistics

May Rainfall

Iowa City Municipal Airport (10.6 miles)

Total Rainfall 2025
7.7in
Daily Average 2025
0.1in
Wettest Day 20 April, 2025
1.6in
Wet Days 2025
31/137 (23%)
Total Rainfall April
3.2in
Daily Average April
0.1in
Wettest Day 20 April, 2025
1.6in
Wet Days April
9/30 (30%)
Total Rainfall May
0.8in
Daily Average May
0.1in
Wettest Day 1 May, 2025
0.7in
Wet Days May
3/17 (18%)

Climate (2010–Present)

Iowa City Municipal Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
30.5in
Monthly Average 2020–2025
2.5in
Daily Average 2020–2025
0.1in
Wettest Day 9 June, 2020
3.5in

Get WillyWeather+ to remove ads