Derby Rainfall Forecast

Today 20 Apr
65%
Tue 21 Apr
15%
Wed 22 Apr
30%
Thu 23 Apr
No Rain
Fri 24 Apr
20%
Sat 25 Apr
55%
Sun 26 Apr
35%

Derby Rainfall Statistics

April Rainfall

Dunkirk, Chautauqua County / Dunkirk Airport (19.9 miles)

Total Rainfall 2026
12.5in
Daily Average 2026
0.1in
Wettest Day 31 March, 2026
1.5in
Wet Days 2026
53/110 (48%)
Total Rainfall March
6.1in
Daily Average March
0.2in
Wettest Day 31 March, 2026
1.5in
Wet Days March
15/31 (48%)
Total Rainfall April
3.5in
Daily Average April
0.2in
Wettest Day 15 April, 2026
0.9in
Wet Days April
12/20 (60%)

Climate (2010–Present)

Dunkirk, Chautauqua County / Dunkirk Airport (19.9 miles)

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Annual Average 2021–2025
30.1in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 14 July, 2021
2.8in

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