Gallup Weather in December
Average highs run from 48°F on December 1 to 43°F on December 31, and lows from 19°F to 15°F. Normal precipitation for the month is 0.87 in over about 6 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
- 44°F
- Average low
- 16°F
- Precipitation
- 0.87 in
- Snowfall
- 5.2 in
- Record high
- 66°FDec 1, 1995
- Record low
- -34°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 56 min to 9 h 48 min
- Cloud cover
- 51%
- Humidity
- 61%
- Dew point
- 17°F
- Wind
- 9.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 48°F | 19°F | 66°F 1995 | -5°F 1976 | 17% | 9% |
| Dec 2 | 47°F | 19°F | 63°F 1998 | -7°F 1991 | 17% | 9% |
| Dec 3 | 47°F | 19°F | 65°F 1987 | -9°F 1991 | 17% | 9% |
| Dec 4 | 47°F | 18°F | 63°F 1979 | -6°F 2009 | 17% | 9% |
| Dec 5 | 46°F | 18°F | 65°F 2012 | -8°F 2005 | 17% | 10% |
| Dec 6 | 46°F | 18°F | 61°F 1995 | -3°F 1992 | 17% | 10% |
| Dec 7 | 46°F | 18°F | 63°F 1981 | -11°F 1992 | 18% | 10% |
| Dec 8 | 45°F | 17°F | 61°F 1981 | -23°F 1978 | 18% | 10% |
| Dec 9 | 45°F | 17°F | 65°F 1981 | -18°F 1978 | 18% | 10% |
| Dec 10 | 45°F | 17°F | 63°F 2015 | -9°F 1978 | 18% | 11% |
| Dec 11 | 45°F | 17°F | 62°F 1987 | -7°F 1978 | 18% | 11% |
| Dec 12 | 44°F | 16°F | 63°F 2025 | -5°F 1978 | 18% | 11% |
| Dec 13 | 44°F | 16°F | 64°F 2025 | -9°F 2001 | 18% | 11% |
| Dec 14 | 44°F | 16°F | 62°F 2010 | -7°F 1975 | 19% | 11% |
| Dec 15 | 44°F | 16°F | 60°F 1977 | -14°F 1975 | 19% | 12% |
| Dec 16 | 44°F | 16°F | 60°F 2025 | -10°F 1975 | 19% | 12% |
| Dec 17 | 43°F | 16°F | 63°F 1980 | -7°F 1992 | 19% | 12% |
| Dec 18 | 43°F | 15°F | 60°F 1988 | -5°F 1996 | 19% | 12% |
| Dec 19 | 43°F | 15°F | 64°F 2025 | -11°F 1992 | 19% | 12% |
| Dec 20 | 43°F | 15°F | 61°F 2001 | -20°F 1992 | 19% | 12% |
| Dec 21 | 43°F | 15°F | 63°F 2025 | -12°F 1992 | 19% | 12% |
| Dec 22 | 43°F | 15°F | 66°F 2025 | -20°F 1990 | 19% | 12% |
| Dec 23 | 43°F | 15°F | 63°F 2025 | -34°F 1990 | 19% | 12% |
| Dec 24 | 43°F | 15°F | 60°F 2025 | -32°F 1990 | 19% | 12% |
| Dec 25 | 43°F | 15°F | 61°F 1980 | -27°F 1990 | 19% | 12% |
| Dec 26 | 43°F | 15°F | 63°F 1980 | -18°F 1990 | 19% | 12% |
| Dec 27 | 43°F | 15°F | 65°F 1980 | -17°F 1990 | 19% | 12% |
| Dec 28 | 43°F | 15°F | 64°F 1980 | -11°F 1988 | 19% | 12% |
| Dec 29 | 43°F | 15°F | 63°F 2017 | -8°F 1988 | 19% | 12% |
| Dec 30 | 43°F | 15°F | 62°F 2017 | -10°F 1988 | 19% | 12% |
| Dec 31 | 43°F | 15°F | 62°F 1980 | -12°F 2010 | 19% | 12% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:06 AM, sunset 5:02 PM
- December 31
- sunrise 7:24 AM, sunset 5:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00293428 (Gallup Sand & Gravel), public domain. Records: NOAA GHCN-Daily, station USW00023081, 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.