Grand Lake St. Marys SPB Rainfall Forecast

Today 18 May
No Rain
Mon 19 May
5%
Tue 20 May
80%
Wed 21 May
80%
Thu 22 May
45%
Fri 23 May
25%
Sat 24 May
25%

Grand Lake St. Marys SPB Rainfall Statistics

May Rainfall

Versailles Darke County Airport (23 miles)

Total Rainfall 2025
2.4in
Daily Average 2025
0.02in
Wettest Day 5 April, 2025
1.2in
Wet Days 2025
9/138 (7%)
Total Rainfall April
1.6in
Daily Average April
0.1in
Wettest Day 5 April, 2025
1.2in
Wet Days April
6/30 (20%)
Total Rainfall May
0.1in
Daily Average May
0.02in
Wettest Day 1 May, 2025
0.1in
Wet Days May
1/18 (6%)

Climate (2010–Present)

Versailles Darke County Airport (23 miles)

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Annual Average 2020–2024
20.2in
Monthly Average 2020–2025
1.7in
Daily Average 2020–2025
0.1in
Wettest Day 3 March, 2023
2.9in

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