Pullman December Weather

Averages and records for weather in Pullman, Washington in the month of December.
Typical Pullman December Weather
1991–2020
Average daily high 36.5 °F
Average daily low 25.3 °F
Average monthly precipitation 2.7 inches
Average monthly snow 9.4 inches
Daily chance of precipitation 44.2%
Daily chance of snow 14.7%
Pullman December Weather Records
1940–2024
Highest temperature 63 °F December 2, 2021
Lowest temperature -32 °F December 30, 1968
Highest daily low 49 °F December 27, 1980
Lowest daily high -5 °F December 30, 1968
Hottest average high temperature 42.6 °F 2023
Coldest average high temperature 25.9 °F 1985
Most daily precipitation 1.6 inches December 28, 1945
Most monthly precipitation 6.2 inches 1964
Most daily snow 8.5 inches December 26, 1996
Most monthly snow 44.6 inches 1971
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 27.3 54 6
December 2 39.0 27.1 63 9
December 3 38.7 26.8 59 15
December 4 38.5 26.6 54 3
December 5 38.2 26.4 55 0
December 6 37.9 26.2 54 0
December 7 37.8 26.2 55 -6
December 8 37.6 26.1 53 -9
December 9 37.5 26.0 56 -10
December 10 37.3 25.9 53 -9
December 11 37.1 25.8 60 -12
December 12 36.9 25.7 57 6
December 13 36.8 25.6 54 -4
December 14 36.7 25.5 51 3
December 15 36.6 25.4 57 2
December 16 36.5 25.2 50 -13
December 17 36.4 25.1 51 -15
December 18 36.3 25.0 50 -5
December 19 36.2 25.0 53 -10
December 20 36.1 24.9 50 -11
December 21 36.1 24.9 51 -11
December 22 36.1 24.9 54 -17
December 23 36.1 24.9 53 -15
December 24 36.2 25.0 48 -9
December 25 36.2 25.0 51 0
December 26 36.2 25.0 57 0
December 27 36.2 25.0 59 -3
December 28 36.2 25.0 52 4
December 29 36.2 24.9 52 -20
December 30 36.1 24.9 50 -32
December 31 36.2 24.9 50 -30
Weather Station Details
Years Station Coordinates
1940–2024 Pullman 2 Nw location