Salmon December Weather

Averages and records for weather in Salmon, Idaho in the month of December.
Typical Salmon December Weather
1991–2020
Average daily high 29.5 °F
Average daily low 14.2 °F
Average monthly precipitation 0.7 inches
Average monthly snow 6.8 inches
Daily chance of precipitation 23.2%
Daily chance of snow 13.8%
Salmon December Weather Records
1967–2024
Highest temperature 59 °F December 6, 1987
Lowest temperature -31 °F December 22, 1990
Highest daily low 40 °F December 12, 1995
Lowest daily high -10 °F December 22, 1990
Hottest average high temperature 39.8 °F 1979
Coldest average high temperature 20.9 °F 2016
Most daily precipitation 1.1 inches December 15, 1977
Most monthly precipitation 2.7 inches 1977
Most daily snow 8.3 inches December 30, 1983
Most monthly snow 23.2 inches 1983
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 34.0 17.9 57 -5
December 2 33.6 17.6 54 -4
December 3 33.2 17.2 56 -7
December 4 32.7 16.7 57 -13
December 5 32.2 16.3 57 -18
December 6 31.9 16.0 59 -11
December 7 31.7 15.8 53 -11
December 8 31.4 15.5 48 -18
December 9 31.1 15.2 49 -21
December 10 30.8 14.9 51 -22
December 11 30.5 14.6 53 -15
December 12 30.2 14.4 48 -6
December 13 29.9 14.1 53 -8
December 14 29.7 13.9 45 -12
December 15 29.5 13.8 52 -15
December 16 29.3 13.6 49 -12
December 17 29.1 13.4 44 -10
December 18 28.9 13.2 45 -14
December 19 28.7 13.0 44 -10
December 20 28.6 12.9 46 -17
December 21 28.5 12.8 48 -26
December 22 28.4 12.6 47 -31
December 23 28.3 12.5 49 -29
December 24 28.3 12.4 50 -28
December 25 28.2 12.3 44 -11
December 26 28.2 12.3 45 -8
December 27 28.3 12.3 46 -9
December 28 28.3 12.3 43 -20
December 29 28.2 12.2 51 -22
December 30 28.1 12.1 49 -27
December 31 28.1 12.0 46 -27
Weather Station Details
Years Station Coordinates
1967–2024 Salmon KSRA location