Olean Rainfall Forecast

Today 17 May
30%
Mon 18 May
25%
Tue 19 May
30%
Wed 20 May
80%
Thu 21 May
10%
Fri 22 May
15%
Sat 23 May
30%

Olean Rainfall Statistics

May Rainfall

Bradford Regional Airport (22.4 miles)

Total Rainfall 2026
14.2in
Daily Average 2026
0.1in
Wettest Day 29 April, 2026
0.9in
Wet Days 2026
60/137 (44%)
Total Rainfall April
5.8in
Daily Average April
0.2in
Wettest Day 29 April, 2026
0.9in
Wet Days April
21/30 (70%)
Total Rainfall May
2.1in
Daily Average May
0.2in
Wettest Day 6 May, 2026
0.6in
Wet Days May
7/17 (41%)

Climate (2010–Present)

Bradford Regional Airport (22.4 miles)

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Annual Average 2021–2025
38.4in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 12 July, 2023
2.9in

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