Duluth climate

Typical historical weather for Duluth, 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 Duluth.

Annual average

5.5°C

across all months

Warmest month

22°C

Aug average high

Coolest month

-12.4°C

Jan average low

Annual rainfall

964mm

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

30.7°C

3 September 2023

Coldest day

-31.9°C

31 January 2019

Wettest day

71mm

30 September 2019

Windiest day

12.4m/s

5 December 2017