Olean, NY Weather & Climate Normals
Olean's real weather, in one number
Olean, NY scores 50/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Olean's hottest and coldest months
Olean's hottest month is Jul, averaging 68°F; its coldest is Jan, averaging 23°F, a 44.3°F swing across the year, a middling gap by national standards.
Rain and snow in Olean
Over a typical year, Olean sees about 46.64in of precipitation a year across roughly 159 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Olean ranks
Olean ranks 1781 of 4876 US cities in this dataset for comfort score, and 38 of 170 within NY. About 13,614 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from ALLEGANY SP, NY US, 16.2 miles from Olean, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is