Onalaska climate

Typical historical weather for Onalaska, 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 Onalaska.

Annual average

9°C

across all months

Warmest month

27.6°C

Jul average high

Coolest month

-10.9°C

Jan average low

Annual rainfall

1012mm

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

36.9°C

23 August 2023

Coldest day

-34.9°C

31 January 2019

Wettest day

82.1mm

24 August 2018

Windiest day

8.3m/s

3 April 2024