Vineyard Weather in December
Average highs run from 45°F on December 1 to 40°F on December 31, and lows from 28°F to 23°F. Normal precipitation for the month is 1.45 in over about 8 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
- 41°F
- Average low
- 25°F
- Precipitation
- 1.45 in
- Snowfall
- 10.3 in
- Record high
- 72°FDec 1, 1995
- Record low
- -30°FDec 27, 1924
- Chance of a freeze
- 100%
- Daylight
- 9 h 30 min to 9 h 21 min
- Cloud cover
- 60%
- Humidity
- 85%
- Dew point
- 14°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 | 45°F | 28°F | 72°F 1995 | 9°F 1918 | 25% | 10% |
| Dec 2 | 45°F | 27°F | 64°F 1995 | 11°F 1918 | 25% | 10% |
| Dec 3 | 45°F | 27°F | 66°F 1998 | 12°F 2004 | 26% | 10% |
| Dec 4 | 44°F | 27°F | 60°F 2014 | 11°F 2009 | 26% | 11% |
| Dec 5 | 44°F | 27°F | 57°F 2021 | 12°F 2005 | 26% | 11% |
| Dec 6 | 44°F | 26°F | 61°F 2023 | 11°F 2013 | 26% | 11% |
| Dec 7 | 43°F | 26°F | 61°F 1981 | 10°F 1927 | 26% | 12% |
| Dec 8 | 43°F | 26°F | 59°F 1993 | 8°F 1927 | 26% | 12% |
| Dec 9 | 43°F | 26°F | 63°F 1981 | 2°F 2009 | 26% | 12% |
| Dec 10 | 42°F | 25°F | 66°F 1981 | 1°F 2009 | 26% | 12% |
| Dec 11 | 42°F | 25°F | 65°F 1993 | 3°F 1923 | 26% | 13% |
| Dec 12 | 42°F | 25°F | 66°F 2014 | 6°F 2013 | 26% | 13% |
| Dec 13 | 41°F | 25°F | 59°F 1929 | -8°F 1919 | 26% | 13% |
| Dec 14 | 41°F | 25°F | 60°F 2006 | -7°F 1919 | 27% | 14% |
| Dec 15 | 41°F | 25°F | 59°F 2006 | -5°F 1916 | 27% | 14% |
| Dec 16 | 41°F | 24°F | 57°F 1921 | -2°F 1916 | 27% | 14% |
| Dec 17 | 41°F | 24°F | 60°F 2025 | 2°F 1927 | 27% | 14% |
| Dec 18 | 40°F | 24°F | 52°F 2024 | -8°F 1927 | 27% | 15% |
| Dec 19 | 40°F | 24°F | 61°F 2023 | -15°F 1924 | 27% | 15% |
| Dec 20 | 40°F | 24°F | 61°F 1917 | -2°F 1927 | 27% | 15% |
| Dec 21 | 40°F | 24°F | 57°F 1981 | -4°F 1990 | 28% | 15% |
| Dec 22 | 40°F | 24°F | 67°F 2025 | -7°F 1990 | 28% | 15% |
| Dec 23 | 40°F | 24°F | 63°F 2025 | -16°F 1990 | 28% | 15% |
| Dec 24 | 40°F | 24°F | 66°F 2025 | -20°F 1924 | 28% | 15% |
| Dec 25 | 40°F | 24°F | 62°F 2025 | -28°F 1924 | 28% | 15% |
| Dec 26 | 40°F | 24°F | 55°F 1980 | -28°F 1924 | 28% | 15% |
| Dec 27 | 40°F | 24°F | 56°F 1928 | -30°F 1924 | 28% | 16% |
| Dec 28 | 40°F | 24°F | 53°F 1980 | -18°F 1916 | 28% | 16% |
| Dec 29 | 40°F | 24°F | 59°F 2017 | -11°F 1916 | 28% | 16% |
| Dec 30 | 40°F | 23°F | 57°F 2011 | -11°F 1990 | 29% | 16% |
| Dec 31 | 40°F | 23°F | 62°F 1996 | -6°F 1990 | 29% | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:31 AM, sunset 5:01 PM
- December 31
- sunrise 7:50 AM, sunset 5:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426919 (Pleasant Grove), public domain. Records: NOAA GHCN-Daily, station USC00427064, 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.