Olean Rainfall Forecast
- 100%
- 65%
- 100%
- 100%
- 95%
- 70%
- 65%
Olean Rainfall Statistics
December Rainfall
Bradford Regional Airport (22.4 miles)
Total Rainfall December
1.3inDaily Average December
0.1inWettest Day 19 December, 2025
0.5inWet Days December
9/26 (35%)
Climate (2010–Present)
Bradford Regional Airport (22.4 miles)
Annual Average 2020–2024
38.6inMonthly Average 2020–2025
3.2inDaily Average 2020–2025
0.1inWettest Day 12 July, 2023
2.9in