Grayson Weather in December
Average highs run from 51°F on December 1 to 44°F on December 31, and lows from 28°F to 24°F. Normal precipitation for the month is 3.78 in over about 14 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
- 47°F
- Average low
- 26°F
- Precipitation
- 3.78 in
- Snowfall
- 3.8 in
- Record high
- 82°FDec 4, 1982
- Record low
- -18°FDec 23, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 42 min to 9 h 32 min
- Cloud cover
- 73%
- Humidity
- 85%
- Dew point
- 30°F
- Wind
- 4.9 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 | 51°F | 28°F | 75°F 1998 | 2°F 1976 | 39% | 6% |
| Dec 2 | 51°F | 28°F | 72°F 1970 | 11°F 1964 | 39% | 7% |
| Dec 3 | 50°F | 28°F | 72°F 1982 | 8°F 1929 | 40% | 7% |
| Dec 4 | 50°F | 28°F | 82°F 1982 | 8°F 1929 | 40% | 7% |
| Dec 5 | 50°F | 27°F | 74°F 1982 | 10°F 1974 | 40% | 8% |
| Dec 6 | 49°F | 27°F | 75°F 1956 | 8°F 1992 | 41% | 8% |
| Dec 7 | 49°F | 27°F | 76°F 1998 | 1°F 1977 | 41% | 8% |
| Dec 8 | 49°F | 27°F | 80°F 2004 | 3°F 1977 | 42% | 9% |
| Dec 9 | 48°F | 27°F | 78°F 2004 | 5°F 1937 | 42% | 9% |
| Dec 10 | 48°F | 27°F | 74°F 1923 | 1°F 1995 | 42% | 9% |
| Dec 11 | 48°F | 27°F | 78°F 1971 | 1°F 1995 | 43% | 9% |
| Dec 12 | 47°F | 27°F | 71°F 2007 | -6°F 1962 | 43% | 10% |
| Dec 13 | 47°F | 26°F | 73°F 1927 | -5°F 1962 | 43% | 10% |
| Dec 14 | 47°F | 26°F | 75°F 1927 | -3°F 1962 | 44% | 10% |
| Dec 15 | 47°F | 26°F | 70°F 1933 | 0°F 1898 | 44% | 11% |
| Dec 16 | 46°F | 26°F | 74°F 1971 | -6°F 1989 | 44% | 11% |
| Dec 17 | 46°F | 26°F | 74°F 1924 | -6°F 1989 | 44% | 11% |
| Dec 18 | 46°F | 26°F | 76°F 1924 | -2°F 1989 | 44% | 11% |
| Dec 19 | 46°F | 26°F | 73°F 1924 | -1°F 1989 | 45% | 12% |
| Dec 20 | 46°F | 25°F | 67°F 2008 | -2°F 1963 | 45% | 12% |
| Dec 21 | 45°F | 25°F | 67°F 1956 | -2°F 1963 | 45% | 12% |
| Dec 22 | 45°F | 25°F | 73°F 1949 | -9°F 1989 | 45% | 12% |
| Dec 23 | 45°F | 25°F | 70°F 1933 | -18°F 1989 | 45% | 12% |
| Dec 24 | 45°F | 25°F | 71°F 1955 | -16°F 1989 | 45% | 13% |
| Dec 25 | 45°F | 25°F | 74°F 1964 | -10°F 1989 | 45% | 13% |
| Dec 26 | 44°F | 25°F | 76°F 1982 | -1°F 1985 | 45% | 13% |
| Dec 27 | 44°F | 24°F | 71°F 2016 | -10°F 1983 | 45% | 13% |
| Dec 28 | 44°F | 24°F | 71°F 2008 | 1°F 1925 | 45% | 13% |
| Dec 29 | 44°F | 24°F | 75°F 1984 | 5°F 1925 | 45% | 14% |
| Dec 30 | 44°F | 24°F | 74°F 1984 | 1°F 1983 | 45% | 14% |
| Dec 31 | 44°F | 24°F | 79°F 1951 | -1°F 1935 | 45% | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:30 AM, sunset 5:12 PM
- December 31
- sunrise 7:49 AM, sunset 5:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00153389 (Grayson 2 E), public domain. Records: NOAA GHCN-Daily, station USC00150254, 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.