Lake County Weather in December
Average highs run from 42°F on December 1 to 40°F on December 31, and lows from 23°F to 21°F.
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
- 40°F
- Average low
- 21°F
- Snowfall
- 2.5 in
- Record high
- 67°FDec 4, 1939
- Record low
- -20°FDec 9, 1972
- Chance of a freeze
- 100%
- Daylight
- 9 h 16 min to 9 h 05 min
- Cloud cover
- 70%
- Humidity
- 83%
- Dew point
- 23°F
- Wind
- 9.6 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 | 42°F | 23°F | 65°F 1900 | -3°F 1931 | 3% | |
| Dec 2 | 42°F | 23°F | 64°F 2008 | 4°F 1934 | 3% | |
| Dec 3 | 42°F | 23°F | 64°F 1939 | 3°F 1934 | 4% | |
| Dec 4 | 42°F | 22°F | 67°F 1939 | 0°F 1891 | 4% | |
| Dec 5 | 41°F | 22°F | 62°F 1939 | -6°F 1972 | 4% | |
| Dec 6 | 41°F | 22°F | 60°F 1900 | -3°F 1932 | 4% | |
| Dec 7 | 41°F | 22°F | 58°F 1940 | -3°F 1956 | 4% | |
| Dec 8 | 40°F | 22°F | 59°F 1975 | -7°F 1972 | 4% | |
| Dec 9 | 40°F | 21°F | 59°F 1962 | -20°F 1972 | 4% | |
| Dec 10 | 40°F | 21°F | 57°F 1950 | -11°F 1932 | 4% | |
| Dec 11 | 40°F | 21°F | 57°F 1958 | -13°F 1932 | 5% | |
| Dec 12 | 40°F | 21°F | 56°F 1962 | -16°F 1932 | 5% | |
| Dec 13 | 40°F | 21°F | 54°F 1936 | -16°F 1919 | 5% | |
| Dec 14 | 39°F | 21°F | 56°F 1962 | -9°F 1919 | 5% | |
| Dec 15 | 39°F | 21°F | 62°F 1980 | -15°F 1931 | 5% | |
| Dec 16 | 39°F | 20°F | 59°F 1980 | -14°F 1931 | 5% | |
| Dec 17 | 39°F | 20°F | 56°F 1958 | -12°F 1924 | 5% | |
| Dec 18 | 39°F | 20°F | 55°F 1901 | -16°F 1924 | 5% | |
| Dec 19 | 39°F | 20°F | 55°F 1911 | -9°F 1924 | 5% | |
| Dec 20 | 39°F | 20°F | 53°F 1901 | -13°F 1895 | 5% | |
| Dec 21 | 39°F | 20°F | 56°F 1960 | -18°F 1990 | 5% | |
| Dec 22 | 39°F | 20°F | 55°F 1933 | -19°F 1990 | 5% | |
| Dec 23 | 39°F | 20°F | 57°F 1950 | -9°F 1990 | 5% | |
| Dec 24 | 39°F | 20°F | 56°F 1950 | -11°F 1891 | 5% | |
| Dec 25 | 39°F | 20°F | 58°F 1950 | -7°F 1992 | 5% | |
| Dec 26 | 39°F | 20°F | 60°F 1911 | -10°F 1895 | 5% | |
| Dec 27 | 39°F | 20°F | 55°F 1933 | -10°F 1988 | 5% | |
| Dec 28 | 40°F | 20°F | 61°F 1956 | -8°F 1905 | 5% | |
| Dec 29 | 40°F | 20°F | 55°F 1901 | -4°F 1905 | 5% | |
| Dec 30 | 40°F | 20°F | 58°F 1980 | -14°F 1916 | 5% | |
| Dec 31 | 40°F | 21°F | 55°F 1963 | -11°F 1918 | 5% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:13 AM, sunset 4:29 PM
- December 31
- sunrise 7:32 AM, sunset 4:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00356426 (Paisley), public domain. Records: NOAA GHCN-Daily, station USC00354670, 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.