Morgantown weather in December: Morgantown, West Virginia: normal highs, lows, rain and records for December
Morgantown in December has a normal high of 44°F and a normal low of 29°F, a daily mean of 36°F, falling from 48°F on the 1st to 41°F by the 31st. Measurable precipitation falls on 14 days in a normal December, 3.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −2°C, 81 mm of precipitation in December.
- NOAA stationMorgantown Municipal Airport
- Station IDUSW00013736
- Location39.64°N 79.92°W
- Elevation1,240 ft (378 m)
- From the center2 miles
- Population30,490
- Jan 40° 24°
- Feb 44° 26°
- Mar 53° 33°
- Apr 65° 42°
- May 74° 52°
- Jun 81° 60°
- Jul 84° 64°
- Aug 83° 63°
- Sep 77° 56°
- Oct 66° 45°
- Nov 54° 36°
- Dec 44° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Morgantown in December?
The normal high is 44°F and the normal low 29°F, for a daily mean of 36.4°F. December is 8.5°F cooler than November and 4.4°F warmer than January. December is the 10th warmest month of the year in Morgantown and the 8th wettest. Across the month the normal high falls 7°F, from 48°F on December 1 to 41°F on December 31. From one year to the next December's mean temperature typically moves about 4.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 32°F and 41°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 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 48°F | 32°F | 43% | 25% |
| December 8 | 46°F | 30°F | 44% | 24% |
| December 15 | 44°F | 29°F | 45% | 24% |
| December 22 | 43°F | 27°F | 46% | 24% |
| December 31 | 41°F | 26°F | 48% | 24% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 48°F | 32°F | 43% | 25% | 9 h 40 min |
| December 2 | 48°F | 32°F | 43% | 25% | 9 h 30 min |
| December 3 | 48°F | 31°F | 43% | 24% | 9 h 30 min |
| December 4 | 47°F | 31°F | 44% | 24% | 9 h 30 min |
| December 5 | 47°F | 31°F | 44% | 24% | 9 h 30 min |
| December 6 | 47°F | 31°F | 44% | 24% | 9 h 30 min |
| December 7 | 46°F | 31°F | 44% | 24% | 9 h 30 min |
| December 8 | 46°F | 30°F | 44% | 24% | 9 h 30 min |
| December 9 | 46°F | 30°F | 44% | 24% | 9 h 30 min |
| December 10 | 46°F | 30°F | 44% | 24% | 9 h 30 min |
| December 11 | 45°F | 30°F | 44% | 24% | 9 h 30 min |
| December 12 | 45°F | 29°F | 45% | 24% | 9 h 30 min |
| December 13 | 45°F | 29°F | 45% | 24% | 9 h 20 min |
| December 14 | 45°F | 29°F | 45% | 24% | 9 h 20 min |
| December 15 | 44°F | 29°F | 45% | 24% | 9 h 20 min |
| December 16 | 44°F | 29°F | 45% | 24% | 9 h 20 min |
| December 17 | 44°F | 28°F | 45% | 24% | 9 h 20 min |
| December 18 | 44°F | 28°F | 45% | 24% | 9 h 20 min |
| December 19 | 43°F | 28°F | 46% | 24% | 9 h 20 min |
| December 20 | 43°F | 28°F | 46% | 24% | 9 h 20 min |
| December 21 | 43°F | 28°F | 46% | 24% | 9 h 20 min |
| December 22 | 43°F | 27°F | 46% | 24% | 9 h 20 min |
| December 23 | 43°F | 27°F | 46% | 24% | 9 h 20 min |
| December 24 | 42°F | 27°F | 46% | 24% | 9 h 20 min |
| December 25 | 42°F | 27°F | 47% | 24% | 9 h 20 min |
| December 26 | 42°F | 27°F | 47% | 24% | 9 h 20 min |
| December 27 | 42°F | 26°F | 47% | 24% | 9 h 20 min |
| December 28 | 42°F | 26°F | 47% | 24% | 9 h 20 min |
| December 29 | 42°F | 26°F | 47% | 24% | 9 h 20 min |
| December 30 | 41°F | 26°F | 48% | 24% | 9 h 20 min |
| December 31 | 41°F | 26°F | 48% | 24% | 9 h 20 min |
- Normal high
- 44°FDecember average
- Normal low
- 29°FDecember average
- Precipitation
- 3.20 inmonth total
- Days with precipitation
- 140.01 inch or more
- Nights at 32°F or colder
- 21
- Daylight
- 9 h 40 min to 9 h 20 minDecember 1 to December 31
- Sunshine
- 55%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013736; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Morgantown in December?
On a given December day the chance of 0.01 inch or more is 45% on average, highest around December 31 (48%). In all, 3.20 in falls on 14 days of a normal December.
In a normal December in Morgantown, 21 nights fall to freezing and 6 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013736.
How humid and windy is Morgantown in December?
At 3 p.m. the normal temperature is 38°F with 59% relative humidity and a dew point of 25°F; at 6 a.m. it is 31°F with 76% humidity. The wind averages 5.8 mph, most often from the 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. | 31°F | 24°F | 76% | 5.3 mph | – |
| 9 a.m. | 32°F | 25°F | 75% | 5.6 mph | – |
| noon | 36°F | 25°F | 65% | 7.1 mph | – |
| 3 p.m. | 38°F | 25°F | 59% | 7.1 mph | – |
| 6 p.m. | 36°F | 25°F | 65% | 5.5 mph | – |
| 9 p.m. | 34°F | 25°F | 70% | 5.3 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013736. 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 Morgantown?
The warmest December temperature on Morgantown's official record (since 1874) is 77°F, on December 9, 1966; the coldest is −16°F, on December 29, 1894. The wettest December brought 7.26 in (1990); the snowiest, 22.5 inches (1944).
The December mean against the 1991-2020 normal of 36.4°F: 2021 45.2°F (+8.8), 2022 37.0°F (+0.6), 2023 43.0°F (+6.6), 2024 38.0°F (+1.6), 2025 33.9°F (−2.5). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 45.2°F | +8.8°F | 3.44 in |
| 2022 | 37.0°F | +0.6°F | 2.70 in |
| 2023 | 43.0°F | +6.6°F | 2.69 in |
| 2024 | 38.0°F | +1.6°F | 3.31 in |
| 2025 | 33.9°F | −2.5°F | 2.42 in |
Source: records: ACIS, NWS threaded record MGWthr; recent months: ACIS, station USW00013736. Records and recent months use complete months only.
How does December in Morgantown compare across West Virginia?
Across the 63 places PlainClimate covers in West Virginia, December normal highs run from 36°F in Davis to 50°F in Williamson; Morgantown's is 44°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Morgantown in November54°F by day, 36°F at night
- Morgantown in January40°F by day, 24°F at night
- Morgantown through the yearEvery month, frost dates, records and recent years
- West Virginia in DecemberThe statewide normal and the warmest and coolest places
- Williamson: West Virginia's warmest Decembernormal high 50°F