Gallup weather in December: Gallup, New Mexico: normal highs, lows, rain and records for December
Gallup in December has a normal high of 45°F and a normal low of 14°F, a daily mean of 30°F, falling from 49°F on the 1st to 44°F by the 31st. Measurable precipitation falls on 6 days in a normal December, 0.73 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −10°C, 19 mm of precipitation and 20 cm of snow in December.
- NOAA stationGallup Municipal Airport
- Station IDUSW00023081
- Location35.51°N 108.79°W
- Elevation6,471 ft (1,972 m)
- From the center3 miles
- Population20,339
- Jan 45° 14°
- Feb 50° 19°
- Mar 59° 23°
- Apr 66° 28°
- May 75° 36°
- Jun 86° 45°
- Jul 89° 55°
- Aug 86° 53°
- Sep 80° 44°
- Oct 69° 31°
- Nov 56° 20°
- Dec 45° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Gallup in December?
The normal high is 45°F and the normal low 14°F, for a daily mean of 29.5°F. December is 8.5°F cooler than November and 0.3°F cooler than January. December is the 12th warmest month of the year in Gallup and the 6th wettest, and the snowiest. Across the month the normal high falls 5°F, from 49°F on December 1 to 44°F on December 31. From one year to the next December's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 27°F and 32°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 49°F | 16°F | 17% | 7% |
| December 8 | 46°F | 15°F | 18% | 7% |
| December 15 | 45°F | 14°F | 19% | 7% |
| December 22 | 44°F | 13°F | 19% | 7% |
| December 31 | 44°F | 13°F | 19% | 7% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 25)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 49°F | 16°F | 17% | 7% | 10 h |
| December 2 | 48°F | 16°F | 17% | 7% | 10 h |
| December 3 | 48°F | 16°F | 17% | 7% | 10 h |
| December 4 | 48°F | 15°F | 18% | 7% | 9 h 50 min |
| December 5 | 47°F | 15°F | 18% | 7% | 9 h 50 min |
| December 6 | 47°F | 15°F | 18% | 7% | 9 h 50 min |
| December 7 | 47°F | 15°F | 18% | 7% | 9 h 50 min |
| December 8 | 46°F | 15°F | 18% | 7% | 9 h 50 min |
| December 9 | 46°F | 14°F | 18% | 7% | 9 h 50 min |
| December 10 | 46°F | 14°F | 18% | 7% | 9 h 50 min |
| December 11 | 46°F | 14°F | 18% | 7% | 9 h 50 min |
| December 12 | 45°F | 14°F | 19% | 7% | 9 h 50 min |
| December 13 | 45°F | 14°F | 19% | 7% | 9 h 50 min |
| December 14 | 45°F | 14°F | 19% | 7% | 9 h 50 min |
| December 15 | 45°F | 14°F | 19% | 7% | 9 h 50 min |
| December 16 | 45°F | 14°F | 19% | 7% | 9 h 50 min |
| December 17 | 44°F | 14°F | 19% | 7% | 9 h 50 min |
| December 18 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 19 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 20 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 21 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 22 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 23 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 24 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 25 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 26 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 27 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 28 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 29 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 30 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
| December 31 | 44°F | 13°F | 19% | 7% | 9 h 50 min |
- Normal high
- 45°FDecember average
- Normal low
- 14°FDecember average
- Precipitation
- 0.73 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 7.8 inmonth total
- Nights at 32°F or colder
- 30
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023081; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Gallup in December?
On a given December day the chance of 0.01 inch or more is 19% on average, highest around December 30 (19%). In all, 0.73 in falls on 6 days of a normal December.
In a normal December in Gallup, 30 nights fall to freezing, 3 days stay below freezing all day and snowfall averages 7.8 inches.
Snow falls on 5 days in a normal December, and an inch or more covers the ground on 8 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023081.
How humid and windy is Gallup in December?
At 3 p.m. the normal temperature is 41°F with 41% relative humidity and a dew point of 19°F; at 6 a.m. it is 17°F with 79% humidity. The wind averages 5.2 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 17°F | 12°F | 79% | 3.3 mph | 69% |
| 9 a.m. | 23°F | 16°F | 73% | 3.9 mph | 67% |
| noon | 37°F | 19°F | 49% | 7.6 mph | 71% |
| 3 p.m. | 41°F | 19°F | 41% | 9.8 mph | 70% |
| 6 p.m. | 32°F | 18°F | 57% | 5.5 mph | 70% |
| 9 p.m. | 24°F | 16°F | 71% | 4.0 mph | 71% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023081. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for December in Gallup?
The warmest December temperature on this station's record (since 1973) is 66°F, on December 1, 1995; the coldest is −34°F, on December 23, 1990. The wettest December brought 2.26 in (1978); the snowiest, 29.1 inches (1992).
The December mean against the 1991-2020 normal of 29.5°F: 2021 34.8°F (+5.3), 2023 33.1°F (+3.6), 2024 32.8°F (+3.3), 2025 36.8°F (+7.3). 4 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 34.8°F | +5.3°F | 1.12 in |
| 2023 | 33.1°F | +3.6°F | 0.50 in |
| 2024 | 32.8°F | +3.3°F | 0.00 in |
| 2025 | 36.8°F | +7.3°F | 0.12 in |
Source: records: ACIS, station USW00023081; recent months: ACIS, station USW00023081. Records and recent months use complete months only.
How does December in Gallup compare across New Mexico?
Across the 98 places PlainClimate covers in New Mexico, December normal highs run from 35°F in Red River to 60°F in Jal; Gallup's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.