Union Rainfall Forecast

Today 2 May
50%
Sat 3 May
90%
Sun 4 May
65%
Mon 5 May
35%
Tue 6 May
25%
Wed 7 May
30%
Thu 8 May
25%

Union Rainfall Statistics

May Rainfall

Dayton, Cox Dayton International Airport (4.3 miles)

Total Rainfall 2025
13.7in
Daily Average 2025
0.1in
Wettest Day 5 April, 2025
1.6in
Wet Days 2025
44/122 (36%)
Total Rainfall April
6.1in
Daily Average April
0.2in
Wettest Day 5 April, 2025
1.6in
Wet Days April
12/30 (40%)
Total Rainfall May
–
Daily Average May
–
Wettest Day
–
Wet Days May
–

Climate (2010–Present)

Dayton, Cox Dayton International Airport (4.3 miles)

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Annual Average 2020–2024
38.9in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 3 March, 2023
2.7in

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