Decatur Rainfall Forecast

Today 14 May
No Rain
Fri 15 May
10%
Sat 16 May
15%
Sun 17 May
20%
Mon 18 May
30%
Tue 19 May
50%
Wed 20 May
50%

Decatur Rainfall Statistics

May Rainfall

Decatur, Decatur Municipal Airport (1.2 miles)

Total Rainfall 2026
15.3in
Daily Average 2026
0.1in
Wettest Day 14 February, 2026
3.8in
Wet Days 2026
22/134 (16%)
Total Rainfall April
6.1in
Daily Average April
0.2in
Wettest Day 4 April, 2026
3.2in
Wet Days April
8/30 (27%)
Total Rainfall May
0.9in
Daily Average May
0.1in
Wettest Day 10 May, 2026
0.9in
Wet Days May
2/14 (14%)

Climate (2010–Present)

Decatur, Decatur Municipal Airport (1.2 miles)

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Annual Average 2021–2025
41.1in
Monthly Average 2021–2026
3.5in
Daily Average 2021–2026
0.1in
Wettest Day 30 April, 2025
6.8in

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