Roswell weather in December: Roswell, New Mexico: normal highs, lows, rain and records for December
Roswell in December has a normal high of 57°F and a normal low of 28°F, a daily mean of 42°F, falling from 60°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 4 days in a normal December, 0.56 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of −2°C, 14 mm of precipitation and 10 cm of snow in December.
- NOAA stationRoswell Industrial Air Park
- Station IDUSW00023009
- Location33.31°N 104.51°W
- Elevation3,649 ft (1,112 m)
- Population47,176
- Jan 57° 28°
- Feb 63° 33°
- Mar 71° 39°
- Apr 79° 47°
- May 88° 57°
- Jun 96° 66°
- Jul 97° 70°
- Aug 95° 69°
- Sep 88° 61°
- Oct 78° 49°
- Nov 66° 36°
- Dec 57° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Roswell in December?
The normal high is 57°F and the normal low 28°F, for a daily mean of 42.4°F. December is 8.6°F cooler than November and 0.3°F cooler than January. December is the 12th warmest month of the year in Roswell and the 8th wettest, and the snowiest. Across the month the normal high falls 5°F, from 60°F on December 1 to 55°F on December 31. From one year to the next December's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 45°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 12%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 60°F | 31°F | 11% | 5% |
| December 8 | 58°F | 29°F | 11% | 5% |
| December 15 | 56°F | 28°F | 11% | 5% |
| December 22 | 55°F | 27°F | 12% | 5% |
| December 31 | 55°F | 27°F | 11% | 4% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 28)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 60°F | 31°F | 11% | 5% | 10 h 10 min |
| December 2 | 60°F | 31°F | 11% | 5% | 10 h 10 min |
| December 3 | 59°F | 31°F | 11% | 5% | 10 h 10 min |
| December 4 | 59°F | 30°F | 11% | 5% | 10 h |
| December 5 | 59°F | 30°F | 11% | 5% | 10 h |
| December 6 | 58°F | 30°F | 11% | 5% | 10 h |
| December 7 | 58°F | 30°F | 11% | 5% | 10 h |
| December 8 | 58°F | 29°F | 11% | 5% | 10 h |
| December 9 | 58°F | 29°F | 11% | 5% | 10 h |
| December 10 | 57°F | 29°F | 11% | 5% | 10 h |
| December 11 | 57°F | 29°F | 11% | 5% | 10 h |
| December 12 | 57°F | 29°F | 11% | 5% | 10 h |
| December 13 | 57°F | 28°F | 11% | 5% | 10 h |
| December 14 | 56°F | 28°F | 11% | 5% | 10 h |
| December 15 | 56°F | 28°F | 11% | 5% | 10 h |
| December 16 | 56°F | 28°F | 11% | 5% | 10 h |
| December 17 | 56°F | 28°F | 11% | 5% | 10 h |
| December 18 | 56°F | 28°F | 11% | 5% | 10 h |
| December 19 | 56°F | 28°F | 11% | 5% | 10 h |
| December 20 | 55°F | 28°F | 12% | 5% | 10 h |
| December 21 | 55°F | 27°F | 12% | 5% | 10 h |
| December 22 | 55°F | 27°F | 12% | 5% | 10 h |
| December 23 | 55°F | 27°F | 12% | 5% | 10 h |
| December 24 | 55°F | 27°F | 12% | 4% | 10 h |
| December 25 | 55°F | 27°F | 12% | 4% | 10 h |
| December 26 | 55°F | 27°F | 12% | 4% | 10 h |
| December 27 | 55°F | 27°F | 12% | 4% | 10 h |
| December 28 | 55°F | 27°F | 12% | 4% | 10 h |
| December 29 | 55°F | 27°F | 11% | 4% | 10 h |
| December 30 | 55°F | 27°F | 11% | 4% | 10 h |
| December 31 | 55°F | 27°F | 11% | 4% | 10 h |
- Normal high
- 57°FDecember average
- Normal low
- 28°FDecember average
- Precipitation
- 0.56 inmonth total
- Days with precipitation
- 40.01 inch or more
- Snowfall
- 3.8 inmonth total
- Nights at 32°F or colder
- 24
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 4
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023009; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Roswell in December?
On a given December day the chance of 0.01 inch or more is 11% on average, highest around December 23 (12%). In all, 0.56 in falls on 4 days of a normal December.
In a normal December in Roswell, 24 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 3.8 inches.
Snow falls on 2 days in a normal December, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023009.
How humid and windy is Roswell in December?
At 3 p.m. the normal temperature is 51°F with 33% relative humidity and a dew point of 23°F; at 6 a.m. it is 29°F with 70% humidity. The wind averages 6.9 mph, most often from the south in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 29°F | 20°F | 70% | 5.3 mph | 76% |
| 9 a.m. | 35°F | 23°F | 61% | 5.8 mph | 74% |
| noon | 46°F | 24°F | 40% | 8.4 mph | 78% |
| 3 p.m. | 51°F | 23°F | 33% | 9.8 mph | 77% |
| 6 p.m. | 43°F | 23°F | 45% | 6.8 mph | 79% |
| 9 p.m. | 37°F | 23°F | 56% | 6.7 mph | 78% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023009. 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 Roswell?
The warmest December temperature on Roswell's official record (since 1893) is 84°F, on December 4, 1958; the coldest is −10°F, on December 20, 1909. The wettest December brought 3.07 in (1997); the snowiest, 21.0 inches (1997).
The December mean against the 1991-2020 normal of 42.4°F: 2021 50.5°F (+8.1), 2022 44.2°F (+1.8), 2023 46.3°F (+3.9), 2024 48.2°F (+5.8), 2025 48.5°F (+6.1). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.5°F | +8.1°F | 0.06 in |
| 2022 | 44.2°F | +1.8°F | 0.07 in |
| 2023 | 46.3°F | +3.9°F | 0.32 in |
| 2024 | 48.2°F | +5.8°F | 0.03 in |
| 2025 | 48.5°F | +6.1°F | 0.06 in |
Source: records: ACIS, NWS threaded record ROWthr; recent months: ACIS, station USW00023009. Records and recent months use complete months only.
How does December in Roswell 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; Roswell's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.