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Hanover December Weather

Averages and records for weather in Hanover, New Hampshire in the month of December.

Typical Hanover December Weather 1991–2020
Average daily high	34.4 °F
Average daily low	19.4 °F
Average monthly precipitation	3.1 inches
Average monthly snow	12.7 inches
Daily chance of precipitation	33.2%
Daily chance of snow	19.2%

Hanover December Weather Records 1884–2024
Highest temperature	76 °F	December 7, 1998
Lowest temperature	-37 °F	December 31, 1917
Highest daily low	51 °F	December 7, 1998
Lowest daily high	-12 °F	December 30, 1933
Hottest average high temperature	43.6 °F	2015
Coldest average high temperature	19.5 °F	1989
Most daily precipitation	2.4 inches	December 17, 2000
Most monthly precipitation	7.7 inches	1973
Most daily snow	19.5 inches	December 17, 2020
Most monthly snow	44.8 inches	1972

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
December 1	39.6	24.8	65	-2
December 2	39.2	24.5	66	-6
December 3	38.8	24.1	65	-6
December 4	38.4	23.8	70	-22
December 5	38.0	23.2	58	-9
December 6	37.5	22.8	67	-16
December 7	37.2	22.3	76	-18
December 8	36.9	22.2	58	-13
December 9	36.7	21.9	53	-16
December 10	36.6	21.8	54	-21
December 11	36.3	21.5	61	-16
December 12	35.9	21.0	60	-21
December 13	35.6	20.6	57	-15
December 14	35.2	20.2	60	-24
December 15	34.9	19.9	62	-14
December 16	34.5	19.4	53	-20
December 17	34.1	19.0	60	-19
December 18	33.7	18.7	61	-23
December 19	33.4	18.3	55	-20
December 20	33.1	18.0	59	-23
December 21	32.9	17.7	59	-22
December 22	32.7	17.5	57	-20
December 23	32.6	17.4	58	-16
December 24	32.5	17.4	67	-23
December 25	32.3	17.0	64	-20
December 26	32.0	16.8	60	-29
December 27	31.8	16.5	56	-26
December 28	31.8	16.3	54	-24
December 29	31.7	16.2	59	-26
December 30	31.7	16.0	53	-34
December 31	31.6	15.7	54	-37

Weather Station Details

Years	Station	Coordinates
1884–2024	Hanover	location