Hartford December Weather

Averages and records for weather in Hartford, Connecticut in the month of December.
Typical Hartford December Weather
1991–2020
Average daily high 40.6 °F
Average daily low 24.6 °F
Average monthly precipitation 4.1 inches
Average monthly snow 10.2 inches
Daily chance of precipitation 37.2%
Daily chance of snow 14.4%
Hartford December Weather Records
1920–2024
Highest temperature 76 °F December 7, 1998
Lowest temperature -14 °F December 26, 1980
Highest daily low 52 °F December 27, 1949
Lowest daily high 1 °F December 20, 1942
Hottest average high temperature 51.0 °F 2015
Coldest average high temperature 26.5 °F 1989
Most daily precipitation 3.3 inches December 12, 2010
Most monthly precipitation 8.4 inches 1969
Most daily snow 17.7 inches December 29, 1945
Most monthly snow 35.9 inches 1945
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 45.2 28.4 70 9
December 2 44.9 28.1 64 7
December 3 44.6 27.9 67 5
December 4 44.2 27.7 71 3
December 5 43.8 27.3 68 3
December 6 43.4 27.0 74 8
December 7 43.1 26.7 76 -1
December 8 42.9 26.5 63 -3
December 9 42.7 26.4 61 4
December 10 42.6 26.2 67 -3
December 11 42.2 25.9 64 -6
December 12 41.9 25.7 66 -3
December 13 41.5 25.4 61 -1
December 14 41.2 25.1 60 -2
December 15 40.9 24.8 63 -4
December 16 40.5 24.5 63 1
December 17 40.2 24.2 63 -6
December 18 39.9 23.9 64 -3
December 19 39.6 23.7 53 -3
December 20 39.4 23.4 61 -10
December 21 39.2 23.3 63 -6
December 22 39.0 23.1 64 -5
December 23 39.0 23.0 61 -5
December 24 38.8 22.9 69 -9
December 25 38.6 22.8 64 -13
December 26 38.4 22.6 61 -14
December 27 38.2 22.4 60 -2
December 28 38.1 22.3 60 -6
December 29 38.1 22.2 74 -11
December 30 38.1 22.0 64 -12
December 31 37.9 21.9 65 -8
Weather Station Details
Years Station Coordinates
1949–2024 Hartford International Airport location
1920–1948 Hartford Brainard Field location