Winona climate

Typical historical weather for Winona, 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 Winona.

Annual average

8.7°C

across all months

Warmest month

27.3°C

Jul average high

Coolest month

-11.3°C

Jan average low

Annual rainfall

1048mm

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

36.5°C

23 August 2023

Coldest day

-34.1°C

31 January 2019

Wettest day

81.6mm

26 June 2021

Windiest day

8.6m/s

26 November 2025