Monterey Weather in December
Average highs run from 46°F on December 1 to 39°F on December 31, and lows from 25°F to 20°F. Normal precipitation for the month is 3.68 in over about 12 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
- 42°F
- Average low
- 22°F
- Precipitation
- 3.68 in
- Snowfall
- 7.4 in
- Record high
- 78°FDec 6, 2001
- Record low
- -16°FDec 15, 1914
- Chance of a freeze
- 100%
- Daylight
- 9 h 41 min to 9 h 33 min
- Cloud cover
- 69%
- Humidity
- 84%
- Dew point
- 26°F
- Wind
- 6.0 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 | 46°F | 25°F | 74°F 1998 | 5°F 1929 | 39% | 14% |
| Dec 2 | 46°F | 24°F | 72°F 2006 | 10°F 1903 | 39% | 14% |
| Dec 3 | 46°F | 24°F | 69°F 1899 | 9°F 1976 | 39% | 15% |
| Dec 4 | 46°F | 24°F | 72°F 1982 | 6°F 1895 | 39% | 15% |
| Dec 5 | 45°F | 24°F | 73°F 1998 | 10°F 1957 | 39% | 15% |
| Dec 6 | 45°F | 24°F | 78°F 2001 | 9°F 1895 | 39% | 15% |
| Dec 7 | 45°F | 24°F | 76°F 1956 | 1°F 1910 | 39% | 16% |
| Dec 8 | 44°F | 23°F | 74°F 1998 | -4°F 1910 | 40% | 16% |
| Dec 9 | 44°F | 23°F | 70°F 1946 | -1°F 1910 | 40% | 16% |
| Dec 10 | 44°F | 23°F | 69°F 1946 | -4°F 1917 | 40% | 16% |
| Dec 11 | 43°F | 23°F | 68°F 1897 | -15°F 1917 | 40% | 16% |
| Dec 12 | 43°F | 23°F | 68°F 1927 | -1°F 1917 | 40% | 16% |
| Dec 13 | 43°F | 23°F | 73°F 1927 | -9°F 1917 | 40% | 16% |
| Dec 14 | 43°F | 22°F | 72°F 1927 | -3°F 1910 | 40% | 16% |
| Dec 15 | 42°F | 22°F | 71°F 1984 | -16°F 1914 | 40% | 17% |
| Dec 16 | 42°F | 22°F | 67°F 1906 | -15°F 1914 | 40% | 17% |
| Dec 17 | 42°F | 22°F | 74°F 1924 | -10°F 1989 | 40% | 17% |
| Dec 18 | 42°F | 22°F | 72°F 1924 | -9°F 1932 | 40% | 17% |
| Dec 19 | 41°F | 21°F | 75°F 1924 | -1°F 1989 | 40% | 17% |
| Dec 20 | 41°F | 21°F | 66°F 1987 | -5°F 1919 | 40% | 17% |
| Dec 21 | 41°F | 21°F | 69°F 1956 | -10°F 1942 | 40% | 17% |
| Dec 22 | 41°F | 21°F | 68°F 1923 | -11°F 1989 | 40% | 17% |
| Dec 23 | 41°F | 21°F | 67°F 2013 | -9°F 1989 | 40% | 17% |
| Dec 24 | 40°F | 21°F | 70°F 1955 | 0°F 1983 | 40% | 17% |
| Dec 25 | 40°F | 21°F | 69°F 1895 | -5°F 1989 | 40% | 17% |
| Dec 26 | 40°F | 20°F | 68°F 2021 | -5°F 1989 | 40% | 18% |
| Dec 27 | 40°F | 20°F | 67°F 2019 | -13°F 1914 | 40% | 18% |
| Dec 28 | 40°F | 20°F | 72°F 1984 | 1°F 1914 | 40% | 18% |
| Dec 29 | 40°F | 20°F | 73°F 1984 | -8°F 1894 | 40% | 18% |
| Dec 30 | 40°F | 20°F | 67°F 1992 | -6°F 1917 | 40% | 18% |
| Dec 31 | 39°F | 20°F | 70°F 1992 | -5°F 1899 | 40% | 18% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:17 AM, sunset 4:58 PM
- December 31
- sunrise 7:35 AM, sunset 5:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00445880 (Mustoe 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00442208, 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.