Blacksburg weather in December: Blacksburg, Virginia: normal highs, lows, rain and records for December
Blacksburg in December has a normal high of 45°F and a normal low of 25°F, a daily mean of 35°F, falling from 49°F on the 1st to 42°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 3.30 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −4°C, 84 mm of precipitation and 12 cm of snow in December.
- NOAA stationBlacksburg Nwso
- Station IDUSC00440766
- Location37.20°N 80.41°W
- Elevation2,103 ft (641 m)
- From the center2 miles
- Population45,452
- Jan 42° 22°
- Feb 45° 24°
- Mar 53° 30°
- Apr 64° 39°
- May 72° 48°
- Jun 79° 57°
- Jul 82° 61°
- Aug 81° 60°
- Sep 76° 53°
- Oct 66° 41°
- Nov 55° 31°
- Dec 45° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Blacksburg in December?
The normal high is 45°F and the normal low 25°F, for a daily mean of 35.1°F. December is 7.6°F cooler than November and 3.2°F warmer than January. December is the 10th warmest month of the year in Blacksburg 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 4.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 31°F and 39°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 49°F | 27°F | 34% | 20% |
| December 8 | 47°F | 26°F | 35% | 21% |
| December 15 | 45°F | 25°F | 37% | 21% |
| December 22 | 43°F | 25°F | 38% | 21% |
| December 31 | 42°F | 23°F | 38% | 21% |
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 | 49°F | 27°F | 34% | 20% | 9 h 50 min |
| December 2 | 49°F | 27°F | 34% | 20% | 9 h 50 min |
| December 3 | 48°F | 27°F | 34% | 20% | 9 h 50 min |
| December 4 | 48°F | 27°F | 34% | 21% | 9 h 50 min |
| December 5 | 48°F | 27°F | 35% | 21% | 9 h 40 min |
| December 6 | 47°F | 27°F | 35% | 21% | 9 h 40 min |
| December 7 | 47°F | 27°F | 35% | 21% | 9 h 40 min |
| December 8 | 47°F | 26°F | 35% | 21% | 9 h 40 min |
| December 9 | 46°F | 26°F | 36% | 21% | 9 h 40 min |
| December 10 | 46°F | 26°F | 36% | 21% | 9 h 40 min |
| December 11 | 46°F | 26°F | 36% | 21% | 9 h 40 min |
| December 12 | 46°F | 26°F | 36% | 21% | 9 h 40 min |
| December 13 | 45°F | 26°F | 36% | 21% | 9 h 40 min |
| December 14 | 45°F | 26°F | 36% | 21% | 9 h 40 min |
| December 15 | 45°F | 25°F | 37% | 21% | 9 h 40 min |
| December 16 | 45°F | 25°F | 37% | 21% | 9 h 40 min |
| December 17 | 44°F | 25°F | 37% | 21% | 9 h 40 min |
| December 18 | 44°F | 25°F | 37% | 21% | 9 h 40 min |
| December 19 | 44°F | 25°F | 37% | 21% | 9 h 40 min |
| December 20 | 44°F | 25°F | 37% | 21% | 9 h 40 min |
| December 21 | 44°F | 25°F | 38% | 21% | 9 h 40 min |
| December 22 | 43°F | 25°F | 38% | 21% | 9 h 40 min |
| December 23 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 24 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 25 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 26 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 27 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 28 | 43°F | 24°F | 38% | 21% | 9 h 40 min |
| December 29 | 42°F | 24°F | 38% | 21% | 9 h 40 min |
| December 30 | 42°F | 24°F | 38% | 21% | 9 h 40 min |
| December 31 | 42°F | 23°F | 38% | 21% | 9 h 40 min |
- Normal high
- 45°FDecember average
- Normal low
- 25°FDecember average
- Precipitation
- 3.30 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 4.7 inmonth total
- Nights at 32°F or colder
- 25
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00440766; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Blacksburg in December?
On a given December day the chance of 0.01 inch or more is 36% on average, highest around December 25 (38%). In all, 3.30 in falls on 12 days of a normal December, 1 of them with an inch or more.
In a normal December in Blacksburg, 25 nights fall to freezing, 4 days stay below freezing all day and snowfall averages 4.7 inches.
Snow falls on 3 days in a normal December, and an inch or more covers the ground on 4 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00440766.
What are the records for December in Blacksburg?
The warmest December temperature on Blacksburg's official record (since 1893) is 75°F, on December 16, 1984; the coldest is −27°F, on December 30, 1917. The wettest December brought 7.48 in (1901); the snowiest, 21.0 inches (1917).
The December mean against the 1991-2020 normal of 35.1°F: 2021 43.3°F (+8.2), 2022 34.2°F (−0.9), 2023 40.1°F (+5.0), 2024 34.6°F (−0.5), 2025 33.8°F (−1.3). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 43.3°F | +8.2°F | 0.72 in |
| 2022 | 34.2°F | −0.9°F | 3.40 in |
| 2023 | 40.1°F | +5.0°F | 4.28 in |
| 2024 | 34.6°F | −0.5°F | 3.33 in |
| 2025 | 33.8°F | −1.3°F | 2.04 in |
Source: records: ACIS, NWS threaded record RNKthr; recent months: ACIS, station USC00440766. Records and recent months use complete months only.
How does December in Blacksburg compare across Virginia?
Across the 81 places PlainClimate covers in Virginia, December normal highs run from 43°F in Hot Springs to 58°F in Chesapeake; Blacksburg's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Blacksburg in November55°F by day, 31°F at night
- Blacksburg in January42°F by day, 22°F at night
- Blacksburg through the yearEvery month, frost dates, records and recent years
- Virginia in DecemberThe statewide normal and the warmest and coolest places
- Chesapeake: Virginia's warmest Decembernormal high 58°F