Galena climate

Typical historical weather for Galena, 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 Galena.

Annual average

10.1°C

across all months

Warmest month

28.3°C

Jul average high

Coolest month

-9.2°C

Jan average low

Annual rainfall

981mm

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

37.1°C

23 August 2023

Coldest day

-33.1°C

31 January 2019

Wettest day

55.3mm

28 August 2018

Windiest day

8.6m/s

26 November 2025