Los Alamos December Weather

Averages and records for weather in Los Alamos, New Mexico in the month of December.
Typical Los Alamos December Weather
1991–2020
Average daily high 39.9 °F
Average daily low 19.9 °F
Average monthly precipitation 0.9 inches
Average monthly snow 9.7 inches
Daily chance of precipitation 18.2%
Daily chance of snow 13.3%
Los Alamos December Weather Records
1910–2024
Highest temperature 64 °F December 27, 1980
Lowest temperature -13 °F December 9, 1978
Highest daily low 44 °F December 11, 2015
Lowest daily high 8 °F December 23, 1990
Hottest average high temperature 50.1 °F 1980
Coldest average high temperature 32.9 °F 2009
Most daily precipitation 1.6 inches December 6, 1978
Most monthly precipitation 3.2 inches 1984
Most daily snow 22.0 inches December 6, 1978
Most monthly snow 41.3 inches 1967
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 44.0 23.1 61 5
December 2 43.6 22.8 61 5
December 3 43.3 22.5 59 1
December 4 42.8 22.3 60 -2
December 5 42.4 22.0 60 -1
December 6 42.1 21.7 58 -3
December 7 41.8 21.5 61 -2
December 8 41.5 21.3 60 -8
December 9 41.3 21.1 60 -13
December 10 41.0 20.9 58 -3
December 11 40.7 20.7 59 2
December 12 40.5 20.5 62 -9
December 13 40.3 20.3 57 -4
December 14 40.2 20.1 56 2
December 15 40.0 20.0 58 2
December 16 39.8 19.9 57 0
December 17 39.6 19.7 60 -3
December 18 39.4 19.6 59 -11
December 19 39.2 19.4 59 0
December 20 39.1 19.3 59 2
December 21 39.0 19.2 56 -1
December 22 38.9 19.1 53 -3
December 23 38.8 19.0 56 -10
December 24 38.7 19.0 56 -10
December 25 38.7 18.9 54 -9
December 26 38.6 18.8 61 0
December 27 38.6 18.8 64 0
December 28 38.5 18.7 58 0
December 29 38.5 18.7 53 0
December 30 38.5 18.7 55 1
December 31 38.6 18.8 58 -4
Weather Station Details
Years Station Coordinates
1910–2024 Los Alamos location