Sumner Rainfall Forecast

Today 30 May
5%
Sun 31 May
35%
Mon 1 Jun
35%
Tue 2 Jun
10%
Wed 3 Jun
5%
Thu 4 Jun
25%
Fri 5 Jun
45%

Sumner Rainfall Statistics

May Rainfall

Oelwein Municipal Airport (12.4 miles)

Total Rainfall 2026
10.6in
Daily Average 2026
0.1in
Wettest Day 6 March, 2026
2in
Wet Days 2026
32/150 (21%)
Total Rainfall April
4.2in
Daily Average April
0.1in
Wettest Day 2 April, 2026
1.3in
Wet Days April
12/30 (40%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 15 May, 2026
0.9in
Wet Days May
8/30 (27%)

Climate (2010–Present)

Oelwein Municipal Airport (12.4 miles)

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Annual Average 2021–2025
26in
Monthly Average 2021–2026
2.3in
Daily Average 2021–2026
0.1in
Wettest Day 7 August, 2022
3.4in

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