New Brunswick December Weather

Averages and records for weather in New Brunswick, New Jersey in the month of December.
Typical New Brunswick December Weather
1991–2020
Average daily high 45.4 °F
Average daily low 28.1 °F
Average monthly precipitation 4.5 inches
Average monthly snow 4.9 inches
Daily chance of precipitation 33.3%
Daily chance of snow 6.5%
New Brunswick December Weather Records
1896–2024
Highest temperature 76 °F December 8, 1998
Lowest temperature -15 °F December 30, 1917
Highest daily low 59 °F December 25, 2015
Lowest daily high 6 °F December 31, 1917
Hottest average high temperature 56.7 °F 2015
Coldest average high temperature 30.3 °F 1989
Most daily precipitation 3.4 inches December 18, 2023
Most monthly precipitation 9.9 inches 1983
Most daily snow 19.5 inches December 27, 2010
Most monthly snow 23.1 inches 1948
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 49.8 31.3 72 9
December 2 49.4 31.1 71 14
December 3 49.2 31.0 68 8
December 4 49.0 30.8 70 8
December 5 48.7 30.5 74 11
December 6 48.2 30.3 74 10
December 7 47.8 29.9 74 3
December 8 47.6 29.7 76 7
December 9 47.5 29.6 68 8
December 10 47.3 29.5 71 1
December 11 47.1 29.3 65 4
December 12 46.7 29.0 67 5
December 13 46.3 28.8 69 4
December 14 46.0 28.5 72 5
December 15 45.7 28.3 69 1
December 16 45.3 28.1 69 4
December 17 45.0 27.8 67 3
December 18 44.8 27.6 66 -4
December 19 44.5 27.4 65 3
December 20 44.3 27.1 61 -1
December 21 44.1 27.0 64 -3
December 22 44.0 26.8 67 2
December 23 43.8 26.7 70 1
December 24 43.8 26.6 70 2
December 25 43.6 26.5 72 -1
December 26 43.4 26.3 68 -7
December 27 43.2 26.2 65 -4
December 28 43.1 26.0 62 -6
December 29 43.0 25.8 66 -2
December 30 42.9 25.8 73 -15
December 31 42.9 25.7 62 -12
Weather Station Details
Years Station Coordinates
1968–2024 New Brunswick 3 SE location
1896–1967 New Brunswick Experimental Station location