
Note: 74% of days in December 2020 had an above average temperature at Duluth, Minnesota, vs. only 26% of days with a below average temperature.
December 2020 was warmer than average across the Northland with average temperatures for the month running 4 to 7 degrees above normal, while snowfall and precipitation for the month were pretty close to normal.
Source: https://mrcc.illinois.edu/

Total precipitation for December 2020 finished 82% of normal at Duluth, and 143% of normal at International Falls.


Snowfall for December 2020 finished 93% of normal at Duluth, and 102% of normal at International Falls.

Duluth, Minnesota Climate Summary for December 2020 Average temperature: 19.7 degrees Normal: 14.8 degrees Departure: +4.9 degrees above normal Highest temperature: 44 degrees on the 9th Lowest temperature: -12 degrees on the 25th 5 days had a subzero minimum temperature, normal is 9 subzero days, record is 23 days set in 2013. 11 days had a maximum temperature of 32 degrees or higher, normal is 8 days, record is 25 days set in 1877. Total precipitation: 0.99″ Normal: 1.21″ Departure: -0.22″ below normal Greatest calendar day precipitation total: 0.33″ on the 23rd 7 days had at least 0.01″ of precipitation 3 days had at least 0.10″ of precipitation Total snowfall: 16.5″ Normal: 17.7″ Departure: -1.2″ below normal Greatest calendar day snowfall total: 5.2″ on the 23rd 8 days had at least 0.1″ of snow, normal is 11 days, record is 22 days set in 1996. 5 days had at least 1.0″ of snow, normal is 4 days, record is 12 days set in 1996. |
Source: https://w2.weather.gov/


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International Falls, Minnesota Climate Summary for December 2020 Average temperature: 17.1 degrees Departure: +7.4 degrees above normal Total precipitation: 1.16″ Normal: 0.81″ Departure: +0.35″ above normal Total snowfall: 15.3″ Normal: 15.0″ Departure: +0.3″ above normal |
Brainerd, Minnesota Climate Summary for December 2020 Average temperature: 19.9 degrees Departure: +4.6 degrees above normal |
Hibbing, Minnesota Climate Summary for December 2020 Average temperature: 15.6 degrees Departure: +4.3 degrees above normal |
Ashland, Wisconsin Climate Summary for December 2020 Average temperature: 22.4 degrees Departure: +4.0 degrees above normal |
Tim