Olean climate

Typical historical weather for Olean, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Olean.

Annual average

8.9°C

across all months

Warmest month

26°C

Jul average high

Coolest month

-7.7°C

Jan average low

Annual rainfall

1194mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

32.7°C

29 June 2021

Coldest day

-26.9°C

22 January 2022

Wettest day

83.8mm

9 August 2024

Windiest day

8.2m/s

4 April 2018