Los Alamos Weather in December
Average highs run from 65°F on December 1 to 63°F on December 31, and lows from 43°F to 42°F. Normal precipitation for the month is 2.40 in over about 8 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 63°F
- Average low
- 42°F
- Precipitation
- 2.40 in
- Record high
- 90°FDec 3, 1958
- Record low
- 20°FDec 22, 1990
- Chance of a freeze
- 52%
- Daylight
- 10 h 00 min to 9 h 52 min
- Cloud cover
- 50%
- Humidity
- 75%
- Dew point
- 47°F
- Wind
- 11.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 65°F | 43°F | 84°F 1959 | 28°F 1957 | 21% |
| Dec 2 | 65°F | 43°F | 82°F 1958 | 28°F 1956 | 22% |
| Dec 3 | 65°F | 43°F | 90°F 1958 | 30°F 1956 | 22% |
| Dec 4 | 65°F | 43°F | 80°F 2007 | 30°F 1978 | 22% |
| Dec 5 | 64°F | 43°F | 84°F 1962 | 28°F 2013 | 22% |
| Dec 6 | 64°F | 42°F | 83°F 1962 | 27°F 2013 | 23% |
| Dec 7 | 64°F | 42°F | 84°F 1989 | 21°F 1978 | 23% |
| Dec 8 | 64°F | 42°F | 82°F 1989 | 24°F 1978 | 23% |
| Dec 9 | 64°F | 42°F | 83°F 1957 | 26°F 1956 | 23% |
| Dec 10 | 63°F | 42°F | 85°F 2025 | 25°F 1951 | 24% |
| Dec 11 | 63°F | 42°F | 84°F 1958 | 28°F 1972 | 24% |
| Dec 12 | 63°F | 42°F | 80°F 1958 | 26°F 1919 | 24% |
| Dec 13 | 63°F | 42°F | 83°F 1953 | 28°F 1985 | 24% |
| Dec 14 | 63°F | 42°F | 81°F 1953 | 21°F 1967 | 25% |
| Dec 15 | 63°F | 42°F | 80°F 1980 | 27°F 1959 | 25% |
| Dec 16 | 63°F | 42°F | 85°F 1980 | 29°F 1971 | 25% |
| Dec 17 | 63°F | 42°F | 83°F 1979 | 30°F 1918 | 25% |
| Dec 18 | 63°F | 42°F | 80°F 2000 | 24°F 1918 | 25% |
| Dec 19 | 63°F | 42°F | 82°F 2024 | 29°F 1975 | 25% |
| Dec 20 | 63°F | 42°F | 80°F 1999 | 29°F 1978 | 25% |
| Dec 21 | 63°F | 42°F | 80°F 1985 | 24°F 1968 | 25% |
| Dec 22 | 63°F | 42°F | 76°F 1960 | 20°F 1990 | 25% |
| Dec 23 | 63°F | 42°F | 80°F 1989 | 24°F 1974 | 25% |
| Dec 24 | 63°F | 42°F | 84°F 1989 | 25°F 1974 | 25% |
| Dec 25 | 63°F | 42°F | 82°F 1980 | 24°F 1974 | 25% |
| Dec 26 | 63°F | 42°F | 85°F 1980 | 25°F 1918 | 26% |
| Dec 27 | 63°F | 42°F | 81°F 2013 | 25°F 1987 | 26% |
| Dec 28 | 63°F | 42°F | 82°F 1919 | 26°F 1962 | 26% |
| Dec 29 | 63°F | 42°F | 81°F 1956 | 28°F 1960 | 26% |
| Dec 30 | 63°F | 42°F | 85°F 1980 | 25°F 1918 | 26% |
| Dec 31 | 63°F | 42°F | 83°F 1980 | 24°F 1918 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:50 AM, sunset 4:50 PM
- December 31
- sunrise 7:08 AM, sunset 5:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045064 (Lompoc), public domain. Records: NOAA GHCN-Daily, station USC00045064, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.