St. Louis Rainfall Forecast

Today 19 May
80%
Wed 20 May
30%
Thu 21 May
5%
Fri 22 May
75%
Sat 23 May
20%
Sun 24 May
30%
Mon 25 May
35%

St. Louis Rainfall Statistics

May Rainfall

St. Louis Downtown Airport (5 miles)

Total Rainfall 2026
9.6in
Daily Average 2026
0.1in
Wettest Day 14 February, 2026
1.4in
Wet Days 2026
31/139 (22%)
Total Rainfall April
4.9in
Daily Average April
0.2in
Wettest Day 27 April, 2026
1in
Wet Days April
13/30 (43%)
Total Rainfall May
0.7in
Daily Average May
0.04in
Wettest Day 8 May, 2026
0.5in
Wet Days May
8/19 (42%)

Climate (2010–Present)

St. Louis Downtown Airport (5 miles)

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Annual Average 2021–2025
43.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 26 July, 2022
7.2in

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