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Portage January Weather

Averages and records for weather in Portage, Wisconsin in the month of January.

Typical Portage January Weather 1991–2020
Average daily high	26.5 °F
Average daily low	10.1 °F
Average monthly precipitation	1.4 inches
Average monthly snow	11.2 inches
Daily chance of precipitation	29.7%
Daily chance of snow	21.8%

Portage January Weather Records 1889–2024
Highest temperature	57 °F	January 10, 1939
Lowest temperature	-35 °F	January 15, 1963
Highest daily low	45 °F	January 26, 1944
Lowest daily high	-17 °F	January 19, 1994
Hottest average high temperature	39.5 °F	1933
Coldest average high temperature	9.3 °F	1912
Most daily precipitation	1.3 inches	January 24, 1967
Most monthly precipitation	3.2 inches	1999
Most daily snow	13.0 inches	January 30, 1947
Most monthly snow	31.3 inches	1929

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
January 1	28.7	13.4	52	-21
January 2	28.6	13.2	46	-21
January 3	28.5	13.0	52	-23
January 4	28.2	12.8	53	-27
January 5	28.0	12.3	49	-27
January 6	27.8	11.9	53	-25
January 7	27.5	11.5	52	-32
January 8	27.4	11.4	48	-26
January 9	27.4	11.4	55	-30
January 10	27.3	11.3	57	-25
January 11	27.1	11.1	51	-31
January 12	26.9	10.8	53	-30
January 13	26.7	10.6	52	-28
January 14	26.7	10.5	48	-24
January 15	26.6	10.3	54	-35
January 16	26.5	10.1	51	-29
January 17	26.4	10.0	49	-27
January 18	26.4	9.9	51	-30
January 19	26.4	9.8	51	-32
January 20	26.5	9.9	52	-31
January 21	26.6	9.9	54	-26
January 22	26.6	9.9	53	-33
January 23	26.7	9.9	48	-28
January 24	26.8	10.0	52	-23
January 25	26.8	10.1	56	-28
January 26	26.8	10.0	55	-31
January 27	26.8	9.8	54	-23
January 28	26.7	9.7	55	-23
January 29	26.9	9.7	52	-26
January 30	27.0	9.7	50	-30
January 31	27.1	9.9	49	-29

Weather Station Details

Years	Station	Coordinates
1889–2024	Portage WWTP	location