Martinsburg weather in December: Martinsburg, West Virginia: normal highs, lows, rain and records for December

Martinsburg in December has a normal high of 45°F and a normal low of 27°F, a daily mean of 36°F, falling from 49°F on the 1st to 42°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 3.00 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 7°C and low of −3°C, 76 mm of precipitation in December.

  • NOAA stationMartinsburg Eastern West Virginia Regional Airport
  • Station IDUSW00013734
  • Location39.40°N 77.98°W
  • Elevation534 ft (163 m)
  • From the center4 miles
  • Population19,047
  1. Jan 41° 24°
  2. Feb 45° 25°
  3. Mar 54° 32°
  4. Apr 65° 42°
  5. May 74° 51°
  6. Jun 82° 60°
  7. Jul 87° 65°
  8. Aug 85° 63°
  9. Sep 78° 55°
  10. Oct 67° 44°
  11. Nov 55° 34°
  12. Dec 45° 27°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Martinsburg in December?

The normal high is 45°F and the normal low 27°F, for a daily mean of 36.0°F. December is 8.6°F cooler than November and 3.6°F warmer than January. December is the 10th warmest month of the year in Martinsburg and the 8th wettest. Across the month the normal high falls 7°F, from 49°F on December 1 to 42°F on December 31. From one year to the next December's mean temperature typically moves about 3.8°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 32°F and 40°F.

Martinsburg in December, day by day: normal high and low

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 32%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 149°F30°F31%19%
December 847°F29°F31%19%
December 1545°F27°F31%19%
December 2243°F26°F31%19%
December 3142°F25°F32%18%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
Martinsburg: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 149°F30°F31%19%9 h 40 min
December 249°F30°F31%19%9 h 40 min
December 348°F30°F31%19%9 h 30 min
December 448°F29°F31%19%9 h 30 min
December 548°F29°F31%19%9 h 30 min
December 647°F29°F31%19%9 h 30 min
December 747°F29°F31%19%9 h 30 min
December 847°F29°F31%19%9 h 30 min
December 946°F28°F31%19%9 h 30 min
December 1046°F28°F31%19%9 h 30 min
December 1146°F28°F31%19%9 h 30 min
December 1245°F28°F31%19%9 h 30 min
December 1345°F28°F31%19%9 h 30 min
December 1445°F27°F31%19%9 h 30 min
December 1545°F27°F31%19%9 h 20 min
December 1645°F27°F31%19%9 h 20 min
December 1744°F27°F31%19%9 h 20 min
December 1844°F27°F31%19%9 h 20 min
December 1944°F26°F31%19%9 h 20 min
December 2044°F26°F31%19%9 h 20 min
December 2143°F26°F31%19%9 h 20 min
December 2243°F26°F31%19%9 h 20 min
December 2343°F26°F31%19%9 h 20 min
December 2443°F26°F31%19%9 h 20 min
December 2543°F26°F31%19%9 h 20 min
December 2643°F25°F31%19%9 h 20 min
December 2742°F25°F32%19%9 h 20 min
December 2842°F25°F32%18%9 h 20 min
December 2942°F25°F32%18%9 h 20 min
December 3042°F25°F32%18%9 h 30 min
December 3142°F25°F32%18%9 h 30 min
Normal high
45°FDecember average
Normal low
27°FDecember average
Precipitation
3.00 inmonth total
Days with precipitation
100.01 inch or more
Nights at 32°F or colder
23
Daylight
9 h 40 min to 9 h 30 minDecember 1 to December 31
Sunshine
66%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Martinsburg in December?

On a given December day the chance of 0.01 inch or more is 31% on average, highest around December 31 (32%). In all, 3.00 in falls on 10 days of a normal December, 1 of them with an inch or more.

In a normal December in Martinsburg, 23 nights fall to freezing and 3 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013734.

How humid and windy is Martinsburg in December?

At 3 p.m. the normal temperature is 41°F with 50% relative humidity and a dew point of 24°F; at 6 a.m. it is 31°F with 72% humidity. The wind averages 7.0 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.31°F23°F72%6.0 mph50%
9 a.m.32°F24°F70%6.7 mph50%
noon39°F24°F56%9.1 mph49%
3 p.m.41°F24°F50%9.3 mph52%
6 p.m.37°F24°F59%6.9 mph54%
9 p.m.34°F24°F66%6.2 mph54%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013734. 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 Martinsburg?

The warmest December temperature on Martinsburg's official record (since 1891) is 78°F, on December 7, 1951; the coldest is −12°F, on December 25, 1983. The wettest December brought 6.39 in (1974); the snowiest, 20.1 inches (1969).

The December mean against the 1991-2020 normal of 36.0°F: 2021 42.5°F (+6.5), 2022 34.6°F (−1.4), 2023 39.5°F (+3.5), 2024 35.6°F (−0.4), 2025 34.2°F (−1.8). 2 of 5 ran warmer than normal.

Martinsburg: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202142.5°F+6.5°F0.79 in
202234.6°F−1.4°F3.91 in
202339.5°F+3.5°F3.57 in
202435.6°F−0.4°F3.10 in
202534.2°F−1.8°F1.42 in

Source: records: ACIS, NWS threaded record MRBthr; recent months: ACIS, station USW00013734. Records and recent months use complete months only.

How does December in Martinsburg 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; Martinsburg's is 45°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places