Boyd County Weather in December
Average highs run from 39°F on December 1 to 31°F on December 31, and lows from 19°F to 12°F. Normal precipitation for the month is 0.66 in over about 4 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 34°F
- Average low
- 15°F
- Precipitation
- 0.66 in
- Snowfall
- 6.8 in
- Record high
- 75°FDec 6, 1939
- Record low
- -39°FDec 29, 1917
- Chance of a freeze
- 100%
- Daylight
- 9 h 16 min to 9 h 05 min
- Cloud cover
- 64%
- Humidity
- 78%
- Dew point
- 19°F
- Wind
- 11.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 39°F | 19°F | 68°F 1998 | -7°F 1985 | 12% | 8% |
| Dec 2 | 39°F | 18°F | 71°F 1998 | -11°F 1985 | 12% | 8% |
| Dec 3 | 38°F | 18°F | 68°F 1941 | -6°F 1919 | 12% | 8% |
| Dec 4 | 38°F | 18°F | 63°F 1970 | -8°F 1927 | 12% | 8% |
| Dec 5 | 37°F | 17°F | 66°F 1939 | -8°F 1917 | 12% | 8% |
| Dec 6 | 37°F | 17°F | 75°F 1939 | -16°F 1950 | 12% | 8% |
| Dec 7 | 37°F | 17°F | 64°F 1984 | -15°F 1917 | 12% | 8% |
| Dec 8 | 36°F | 16°F | 65°F 1939 | -19°F 1927 | 12% | 9% |
| Dec 9 | 36°F | 16°F | 69°F 1939 | -23°F 1917 | 12% | 9% |
| Dec 10 | 35°F | 16°F | 67°F 1946 | -16°F 1919 | 12% | 9% |
| Dec 11 | 35°F | 16°F | 70°F 1939 | -15°F 1927 | 12% | 9% |
| Dec 12 | 35°F | 15°F | 62°F 1921 | -21°F 1932 | 12% | 9% |
| Dec 13 | 34°F | 15°F | 66°F 1921 | -27°F 1917 | 12% | 9% |
| Dec 14 | 34°F | 15°F | 65°F 1998 | -23°F 1917 | 13% | 9% |
| Dec 15 | 34°F | 15°F | 65°F 1939 | -22°F 1922 | 13% | 9% |
| Dec 16 | 33°F | 15°F | 65°F 1939 | -18°F 1989 | 13% | 9% |
| Dec 17 | 33°F | 14°F | 70°F 1939 | -30°F 1922 | 13% | 9% |
| Dec 18 | 33°F | 14°F | 59°F 1979 | -23°F 1981 | 13% | 9% |
| Dec 19 | 33°F | 14°F | 57°F 1941 | -18°F 1983 | 13% | 10% |
| Dec 20 | 32°F | 14°F | 66°F 1941 | -24°F 1916 | 13% | 10% |
| Dec 21 | 32°F | 13°F | 60°F 1933 | -27°F 1989 | 13% | 10% |
| Dec 22 | 32°F | 13°F | 62°F 1972 | -29°F 1989 | 13% | 10% |
| Dec 23 | 32°F | 13°F | 61°F 1950 | -23°F 1983 | 13% | 10% |
| Dec 24 | 32°F | 13°F | 56°F 1946 | -24°F 1920 | 13% | 10% |
| Dec 25 | 32°F | 13°F | 60°F 1938 | -16°F 1983 | 13% | 10% |
| Dec 26 | 31°F | 13°F | 56°F 1959 | -20°F 1996 | 13% | 10% |
| Dec 27 | 31°F | 12°F | 59°F 1958 | -15°F 1924 | 13% | 10% |
| Dec 28 | 31°F | 12°F | 57°F 2002 | -23°F 1924 | 13% | 10% |
| Dec 29 | 31°F | 12°F | 62°F 1999 | -39°F 1917 | 13% | 10% |
| Dec 30 | 31°F | 12°F | 61°F 2004 | -21°F 1990 | 14% | 11% |
| Dec 31 | 31°F | 12°F | 55°F 1988 | -19°F 1968 | 14% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:46 AM, sunset 5:02 PM
- December 31
- sunrise 8:06 AM, sunset 5:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00251365 (Butte), public domain. Records: NOAA GHCN-Daily, station USC00398767, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.