Granite City Rainfall Forecast

Today 8 May
65%
Fri 9 May
45%
Sat 10 May
No Rain
Sun 11 May
15%
Mon 12 May
50%
Tue 13 May
35%
Wed 14 May
15%

Granite City Rainfall Statistics

May Rainfall

St. Louis Downtown Airport (9.3 miles)

Total Rainfall 2025
18.4in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.5in
Wet Days 2025
37/128 (29%)
Total Rainfall April
9.9in
Daily Average April
0.3in
Wettest Day 4 April, 2025
2.5in
Wet Days April
13/30 (43%)
Total Rainfall May
1.6in
Daily Average May
0.3in
Wettest Day 3 May, 2025
1.5in
Wet Days May
5/8 (63%)

Climate (2010–Present)

St. Louis Downtown Airport (9.3 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 26 July, 2022
7.2in

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