Duluth Weather

Duluth Average Weather & Yearly Climate

Generally the typical weather in Duluth brings average temperature at 10 degrees during the year.

Normally July is the hottest time of the year and January is when its the coolest month meaning that temperatures vary by 30. Anticipate that average temperatures are 7 throughout Spring, 23 in Summer (June, July and August) , 12 in Autumn and -4 during Winter.

Month Degrees Celsius
January -5
February -3
March 2
April 7
May 13
June 19
July 25
August 24
September 19
October 12
November 5
December -3


What are the Weather Insights, Yearly Temperature, Climate in Duluth?

Our historical weather stats and averages lets you know the best time to visit Duluth

  • Typical Average Daily Temperature: 10
  • Typical Hottest Month: July
  • Typical Coldest Month: January
  • Average Spring Temperature: 7
  • Average Summer Temperature: 23
  • Average Autumn Temperature: 12
  • Average Winter Temperature: -4