Average monthly rainy days in Olean (NY)
The number of days each month with rain, snow and hail in Olean (New York State), the United States of America.
- Most rainy days are in January, February, April, October and December.
- On average, January is the most rainy with 19 days of rain/snow.
- On average, September is the driest month with 12 rainy days.
- The average annual number of rainy days is 181.
Forecast for Olean (NY)
Fri May 17
19°C | 11°C
S 
11 km/h
11 km/h12 mm
overcast and heavy rain
Sat May 18
20°C | 12°C
SW 4 km/h
4 km/h17 mm
partly cloudy and rain
Sun May 19
22°C | 11°C
NW 7 km/h
7 km/h0.4 mm
broken clouds and chance of slight rain
