Merrimac Rainfall Forecast

Today 30 Jun
40%
Tue 1 Jul
45%
Wed 2 Jul
No Rain
Thu 3 Jul
10%
Fri 4 Jul
10%
Sat 5 Jul
10%
Sun 6 Jul
30%

Merrimac Rainfall Statistics

June Rainfall

St. Louis Downtown Airport (16.2 miles)

Total Rainfall 2025
22.7in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.5in
Wet Days 2025
56/181 (31%)
Total Rainfall May
3.9in
Daily Average May
0.1in
Wettest Day 3 May, 2025
1.5in
Wet Days May
13/31 (42%)
Total Rainfall June
2.1in
Daily Average June
0.1in
Wettest Day 4 June, 2025
0.9in
Wet Days June
11/30 (37%)

Climate (2010–Present)

St. Louis Downtown Airport (16.2 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 26 July, 2022
7.2in

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