Cornwall December Weather

Averages and records for weather in Cornwall, Vermont in the month of December.
Typical Cornwall December Weather
1991–2020
Average daily high 33.8 °F
Average daily low 18.1 °F
Average monthly precipitation 2.8 inches
Average monthly snow 13.7 inches
Daily chance of precipitation 38.8%
Daily chance of snow 21.4%
Cornwall December Weather Records
1886–2024
Highest temperature 67 °F December 5, 1941
Lowest temperature -32 °F December 30, 1933
Highest daily low 51 °F December 6, 1951
Lowest daily high -9 °F December 30, 1933
Hottest average high temperature 44.6 °F 2015
Coldest average high temperature 17.4 °F 1989
Most daily precipitation 2.7 inches December 21, 1973
Most monthly precipitation 7.4 inches 1973
Most daily snow 16.2 inches December 15, 2003
Most monthly snow 51.5 inches 1969
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 39.3 23.6 62 -6
December 2 38.8 23.2 63 -1
December 3 38.4 22.9 59 -8
December 4 38.0 22.5 66 -5
December 5 37.5 22.0 67 -10
December 6 37.0 21.6 63 -5
December 7 36.6 21.1 63 -6
December 8 36.3 20.9 59 -11
December 9 36.1 20.7 59 -10
December 10 35.9 20.5 58 -10
December 11 35.6 20.2 60 -16
December 12 35.3 19.7 61 -21
December 13 34.8 19.2 54 -10
December 14 34.4 18.8 53 -9
December 15 34.1 18.4 54 -12
December 16 33.7 18.0 56 -16
December 17 33.3 17.5 53 -16
December 18 33.1 17.3 58 -16
December 19 32.9 17.1 55 -20
December 20 32.6 16.7 57 -21
December 21 32.3 16.4 60 -21
December 22 32.1 16.2 57 -18
December 23 32.0 16.1 59 -15
December 24 31.9 16.0 55 -16
December 25 31.7 15.8 66 -19
December 26 31.4 15.4 60 -23
December 27 31.2 15.1 55 -22
December 28 31.0 14.8 52 -16
December 29 30.9 14.8 58 -25
December 30 30.9 14.6 58 -32
December 31 30.8 14.4 56 -22
Weather Station Details
Years Station Coordinates
1886–2024 Cornwall location