Oswego December Weather

Averages and records for weather in Oswego, New York in the month of December.
Typical Oswego December Weather
1991–2020
Average daily high 36.9 °F
Average daily low 26.0 °F
Average monthly precipitation 3.9 inches
Average monthly snow 29.7 inches
Daily chance of precipitation 60.5%
Daily chance of snow 41.1%
Oswego December Weather Records
1926–2024
Highest temperature 69 °F December 7, 1998
Lowest temperature -23 °F December 29, 1933
Highest daily low 55 °F December 3, 1982
Lowest daily high -5 °F December 20, 1942
Hottest average high temperature 47.2 °F 2015
Coldest average high temperature 23.8 °F 1989
Most daily precipitation 2.5 inches December 1, 2010
Most monthly precipitation 6.9 inches 1958
Most daily snow 40.0 inches December 8, 1958
Most monthly snow 85.8 inches 1958
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 41.7 30.4 65 0
December 2 41.4 30.1 62 7
December 3 41.1 29.9 63 0
December 4 40.7 29.6 68 1
December 5 40.3 29.1 65 1
December 6 39.9 28.8 68 7
December 7 39.7 28.5 69 6
December 8 39.4 28.3 63 2
December 9 39.2 28.2 62 4
December 10 38.9 28.0 57 3
December 11 38.6 27.7 62 -1
December 12 38.3 27.3 59 -12
December 13 37.9 26.9 57 -1
December 14 37.6 26.6 62 -2
December 15 37.3 26.3 59 0
December 16 36.9 26.0 65 0
December 17 36.6 25.7 64 -1
December 18 36.4 25.5 50 3
December 19 36.1 25.1 59 -13
December 20 35.8 24.8 63 -20
December 21 35.7 24.5 58 -8
December 22 35.6 24.4 65 0
December 23 35.5 24.2 62 -6
December 24 35.3 24.0 66 -5
December 25 35.0 23.7 65 -16
December 26 34.8 23.5 61 -8
December 27 34.7 23.3 59 -10
December 28 34.5 23.1 59 -4
December 29 34.5 23.1 63 -23
December 30 34.5 22.9 60 -16
December 31 34.3 22.6 62 -3
Weather Station Details
Years Station Coordinates
1926–2024 Oswego location