Portage December Weather

Averages and records for weather in Portage, Wisconsin in the month of December.
Typical Portage December Weather
1991–2020
Average daily high 32.1 °F
Average daily low 17.3 °F
Average monthly precipitation 1.7 inches
Average monthly snow 9.3 inches
Daily chance of precipitation 30.6%
Daily chance of snow 18.9%
Portage December Weather Records
1889–2024
Highest temperature 67 °F December 16, 2021
Lowest temperature -24 °F December 24, 1983
Highest daily low 53 °F December 5, 2001
Lowest daily high -11 °F December 22, 1989
Hottest average high temperature 40.8 °F 1939
Coldest average high temperature 20.5 °F 1989
Most daily precipitation 1.8 inches December 2, 1921
Most monthly precipitation 3.9 inches 2015
Most daily snow 12.0 inches December 2, 1985
Most monthly snow 41.9 inches 2008
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 37.4 22.5 62 -10
December 2 37.0 22.1 65 -11
December 3 36.6 21.7 63 -14
December 4 36.0 21.2 64 -5
December 5 35.6 20.7 63 -2
December 6 35.2 20.3 64 -9
December 7 34.9 20.0 60 -16
December 8 34.5 19.8 60 -12
December 9 34.1 19.5 60 -10
December 10 33.8 19.1 57 -16
December 11 33.4 18.6 57 -20
December 12 33.0 18.3 58 -10
December 13 32.8 18.0 53 -20
December 14 32.5 17.7 58 -20
December 15 32.3 17.4 54 -18
December 16 32.0 17.2 67 -21
December 17 31.8 16.9 52 -15
December 18 31.4 16.6 53 -18
December 19 31.1 16.2 53 -22
December 20 30.8 15.9 53 -21
December 21 30.6 15.7 54 -21
December 22 30.4 15.5 50 -21
December 23 30.3 15.3 54 -19
December 24 30.1 15.0 54 -24
December 25 29.9 14.8 57 -19
December 26 29.7 14.6 54 -22
December 27 29.6 14.4 50 -22
December 28 29.5 14.2 60 -20
December 29 29.4 14.1 50 -19
December 30 29.2 13.9 55 -15
December 31 28.9 13.6 57 -18
Weather Station Details
Years Station Coordinates
1889–2024 Portage WWTP location