Winthrop December Weather

Averages and records for weather in Winthrop, Washington in the month of December.
Typical Winthrop December Weather
1991–2020
Average daily high 29.7 °F
Average daily low 16.0 °F
Average monthly precipitation 2.5 inches
Average monthly snow 22.1 inches
Daily chance of precipitation 43.0%
Daily chance of snow 35.8%
Winthrop December Weather Records
1906–2024
Highest temperature 70 °F December 1, 2021
Lowest temperature -48 °F December 30, 1968
Highest daily low 36 °F December 2, 2021
Lowest daily high -21 °F December 30, 1968
Hottest average high temperature 36.5 °F 1953
Coldest average high temperature 19.6 °F 1983
Most daily precipitation 2.2 inches December 6, 1923
Most monthly precipitation 8.2 inches 1933
Most daily snow 26.0 inches December 6, 1923
Most monthly snow 76.8 inches 1996
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 33.7 19.3 70 -21
December 2 33.3 18.9 66 -12
December 3 32.9 18.6 52 -13
December 4 32.5 18.3 51 -15
December 5 32.2 18.0 49 -13
December 6 31.9 17.8 52 -10
December 7 31.7 17.6 49 -19
December 8 31.5 17.5 47 -10
December 9 31.3 17.3 54 -7
December 10 31.0 17.1 52 -8
December 11 30.8 16.9 49 -16
December 12 30.5 16.7 51 -25
December 13 30.2 16.5 47 -22
December 14 30.1 16.3 50 -22
December 15 29.8 16.1 44 -23
December 16 29.7 15.9 54 -20
December 17 29.5 15.8 46 -27
December 18 29.3 15.7 42 -17
December 19 29.2 15.7 47 -15
December 20 29.0 15.6 45 -21
December 21 28.9 15.5 49 -23
December 22 28.8 15.4 48 -27
December 23 28.7 15.3 46 -26
December 24 28.7 15.2 48 -30
December 25 28.7 15.2 46 -15
December 26 28.7 15.1 41 -17
December 27 28.8 15.1 52 -19
December 28 28.7 15.1 51 -21
December 29 28.7 15.1 50 -41
December 30 28.7 15.0 49 -48
December 31 28.8 15.0 52 -31
Weather Station Details
Years Station Coordinates
1906–2024 Winthrop 1 WSW location