St Marys Rainfall Forecast

Today 27 Jul
20%
Tue 28 Jul
5%
Wed 29 Jul
10%
Thu 30 Jul
10%
Fri 31 Jul
65%
Sat 1 Aug
10%
Sun 2 Aug
5%

St Marys Rainfall Statistics

July Rainfall

Des Moines International Airport (16.2 miles)

Total Rainfall 2026
25.7in
Daily Average 2026
0.1in
Wettest Day 3 July, 2026
3.3in
Wet Days 2026
54/208 (26%)
Total Rainfall June
4.5in
Daily Average June
0.2in
Wettest Day 21 June, 2026
1.1in
Wet Days June
11/30 (37%)
Total Rainfall July
7.9in
Daily Average July
0.3in
Wettest Day 3 July, 2026
3.3in
Wet Days July
6/27 (22%)

Climate (2021–2025)

Des Moines International Airport (16.2 miles)

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Annual Average 2021–2025
31.2in
Monthly Average 2021–2026
2.7in
Daily Average 2021–2026
0.1in
Wettest Day 19 May, 2025
3.8in

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