McAlester weather in December: McAlester, Oklahoma: normal highs, lows, rain and records for December
McAlester in December has a normal high of 54°F and a normal low of 33°F, a daily mean of 43°F, falling from 58°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 3.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 0°C, 77 mm of precipitation in December.
- NOAA stationMcAlester Regional Airport
- Station IDUSW00093950
- Location34.88°N 95.78°W
- Elevation770 ft (235 m)
- Population18,108
- Jan 52° 30°
- Feb 57° 34°
- Mar 65° 42°
- Apr 73° 50°
- May 80° 60°
- Jun 88° 68°
- Jul 93° 72°
- Aug 93° 71°
- Sep 86° 63°
- Oct 75° 52°
- Nov 63° 41°
- Dec 54° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McAlester in December?
The normal high is 54°F and the normal low 33°F, for a daily mean of 43.3°F. December is 8.8°F cooler than November and 2.2°F warmer than January. December is the 11th warmest month of the year in McAlester and the 8th wettest. Across the month the normal high falls 7°F, from 58°F on December 1 to 51°F on December 31. From one year to the next December's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 46°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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 36°F | 23% | 14% |
| December 8 | 55°F | 34°F | 23% | 14% |
| December 15 | 53°F | 33°F | 23% | 14% |
| December 22 | 52°F | 32°F | 23% | 13% |
| December 31 | 51°F | 31°F | 22% | 13% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 58°F | 36°F | 23% | 14% | 10 h |
| December 2 | 57°F | 36°F | 23% | 14% | 10 h |
| December 3 | 57°F | 36°F | 23% | 14% | 10 h |
| December 4 | 57°F | 35°F | 23% | 14% | 10 h |
| December 5 | 56°F | 35°F | 23% | 14% | 10 h |
| December 6 | 56°F | 35°F | 23% | 14% | 10 h |
| December 7 | 56°F | 35°F | 23% | 14% | 9 h 50 min |
| December 8 | 55°F | 34°F | 23% | 14% | 9 h 50 min |
| December 9 | 55°F | 34°F | 24% | 14% | 9 h 50 min |
| December 10 | 55°F | 34°F | 24% | 14% | 9 h 50 min |
| December 11 | 54°F | 34°F | 24% | 14% | 9 h 50 min |
| December 12 | 54°F | 34°F | 24% | 14% | 9 h 50 min |
| December 13 | 54°F | 33°F | 24% | 14% | 9 h 50 min |
| December 14 | 54°F | 33°F | 23% | 14% | 9 h 50 min |
| December 15 | 53°F | 33°F | 23% | 14% | 9 h 50 min |
| December 16 | 53°F | 33°F | 23% | 14% | 9 h 50 min |
| December 17 | 53°F | 33°F | 23% | 14% | 9 h 50 min |
| December 18 | 53°F | 32°F | 23% | 14% | 9 h 50 min |
| December 19 | 53°F | 32°F | 23% | 14% | 9 h 50 min |
| December 20 | 52°F | 32°F | 23% | 14% | 9 h 50 min |
| December 21 | 52°F | 32°F | 23% | 14% | 9 h 50 min |
| December 22 | 52°F | 32°F | 23% | 13% | 9 h 50 min |
| December 23 | 52°F | 32°F | 23% | 13% | 9 h 50 min |
| December 24 | 52°F | 31°F | 23% | 13% | 9 h 50 min |
| December 25 | 52°F | 31°F | 23% | 13% | 9 h 50 min |
| December 26 | 52°F | 31°F | 23% | 13% | 9 h 50 min |
| December 27 | 52°F | 31°F | 23% | 13% | 9 h 50 min |
| December 28 | 51°F | 31°F | 22% | 13% | 9 h 50 min |
| December 29 | 51°F | 31°F | 22% | 13% | 9 h 50 min |
| December 30 | 51°F | 31°F | 22% | 13% | 9 h 50 min |
| December 31 | 51°F | 31°F | 22% | 13% | 9 h 50 min |
- Normal high
- 54°FDecember average
- Normal low
- 33°FDecember average
- Precipitation
- 3.02 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 17
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 3
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093950; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in McAlester in December?
On a given December day the chance of 0.01 inch or more is 23% on average, highest around December 9 (24%). In all, 3.02 in falls on 7 days of a normal December, 1 of them with an inch or more.
In a normal December in McAlester, 17 nights fall to freezing and 1 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093950.
How humid and windy is McAlester in December?
At 3 p.m. the normal temperature is 49°F with 47% relative humidity and a dew point of 30°F; at 6 a.m. it is 35°F with 78% humidity. The wind averages 7.7 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 35°F | 29°F | 78% | 6.4 mph | – |
| 9 a.m. | 38°F | 30°F | 74% | 7.8 mph | – |
| noon | 45°F | 30°F | 56% | 10.6 mph | – |
| 3 p.m. | 49°F | 30°F | 47% | 10.3 mph | – |
| 6 p.m. | 44°F | 30°F | 58% | 6.8 mph | – |
| 9 p.m. | 40°F | 30°F | 67% | 6.6 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093950. 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 McAlester?
The warmest December temperature on this station's record (since 1953) is 83°F, on December 27, 2025; the coldest is −5°F, on December 23, 1989. The wettest December brought 10.50 in (2015); the snowiest, 6.0 inches (1975).
The December mean against the 1991-2020 normal of 43.3°F: 2021 54.1°F (+10.8), 2022 43.4°F (+0.1), 2023 46.6°F (+3.4), 2024 47.9°F (+4.6), 2025 48.0°F (+4.7). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.1°F | +10.8°F | 2.38 in |
| 2022 | 43.4°F | +0.1°F | 2.47 in |
| 2023 | 46.6°F | +3.4°F | 2.64 in |
| 2024 | 47.9°F | +4.6°F | 3.76 in |
| 2025 | 48.0°F | +4.7°F | 0.03 in |
Source: records: ACIS, station USW00093950; recent months: ACIS, station USW00093950. Records and recent months use complete months only.
How does December in McAlester compare across Oklahoma?
Across the 134 places PlainClimate covers in Oklahoma, December normal highs run from 47°F in Newkirk to 57°F in Idabel; McAlester's is 54°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.