Osino Weather in December
Average highs run from 41°F on December 1 to 36°F on December 31, and lows from 17°F to 12°F. Normal precipitation for the month is 1.55 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
- 38°F
- Average low
- 14°F
- Precipitation
- 1.55 in
- Snowfall
- 10.6 in
- Record high
- 65°FDec 1, 1995
- Record low
- -41°FDec 25, 1924
- Chance of a freeze
- 100%
- Daylight
- 9 h 27 min to 9 h 17 min
- Cloud cover
- 64%
- Humidity
- 77%
- Dew point
- 17°F
- Wind
- 7.6 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 | 41°F | 17°F | 65°F 1995 | -12°F 1931 | 20% | 17% |
| Dec 2 | 41°F | 17°F | 61°F 1894 | -12°F 1931 | 20% | 17% |
| Dec 3 | 41°F | 17°F | 63°F 1940 | -7°F 1897 | 21% | 18% |
| Dec 4 | 40°F | 16°F | 64°F 1940 | -9°F 1897 | 21% | 18% |
| Dec 5 | 40°F | 16°F | 61°F 1940 | -7°F 1933 | 21% | 19% |
| Dec 6 | 39°F | 16°F | 63°F 1981 | -20°F 1891 | 21% | 19% |
| Dec 7 | 39°F | 16°F | 60°F 1940 | -26°F 1891 | 22% | 20% |
| Dec 8 | 39°F | 16°F | 61°F 1913 | -21°F 1951 | 22% | 20% |
| Dec 9 | 39°F | 16°F | 62°F 1981 | -26°F 1919 | 22% | 21% |
| Dec 10 | 38°F | 15°F | 62°F 2025 | -25°F 1972 | 22% | 21% |
| Dec 11 | 38°F | 15°F | 61°F 2025 | -28°F 1972 | 23% | 22% |
| Dec 12 | 38°F | 15°F | 60°F 1894 | -38°F 1932 | 23% | 22% |
| Dec 13 | 38°F | 15°F | 61°F 1929 | -35°F 1932 | 23% | 23% |
| Dec 14 | 37°F | 15°F | 64°F 1929 | -25°F 1932 | 24% | 24% |
| Dec 15 | 37°F | 14°F | 60°F 1929 | -24°F 1932 | 24% | 24% |
| Dec 16 | 37°F | 14°F | 62°F 1939 | -21°F 1931 | 24% | 25% |
| Dec 17 | 37°F | 14°F | 59°F 2025 | -12°F 1984 | 25% | 25% |
| Dec 18 | 37°F | 14°F | 60°F 1917 | -18°F 1895 | 25% | 25% |
| Dec 19 | 37°F | 14°F | 62°F 1917 | -28°F 1924 | 25% | 26% |
| Dec 20 | 37°F | 14°F | 57°F 1958 | -20°F 1924 | 25% | 26% |
| Dec 21 | 37°F | 13°F | 60°F 2025 | -24°F 1990 | 26% | 27% |
| Dec 22 | 37°F | 13°F | 57°F 1964 | -33°F 1990 | 26% | 27% |
| Dec 23 | 36°F | 13°F | 56°F 1964 | -30°F 1990 | 26% | 27% |
| Dec 24 | 36°F | 13°F | 56°F 1910 | -38°F 1924 | 26% | 27% |
| Dec 25 | 36°F | 13°F | 53°F 1946 | -41°F 1924 | 26% | 28% |
| Dec 26 | 36°F | 13°F | 57°F 1933 | -40°F 1924 | 26% | 28% |
| Dec 27 | 36°F | 12°F | 56°F 1917 | -25°F 1924 | 26% | 28% |
| Dec 28 | 36°F | 12°F | 58°F 1980 | -16°F 1913 | 26% | 28% |
| Dec 29 | 36°F | 12°F | 60°F 1917 | -24°F 1895 | 26% | 28% |
| Dec 30 | 36°F | 12°F | 62°F 1917 | -25°F 1990 | 26% | 28% |
| Dec 31 | 36°F | 12°F | 60°F 1917 | -19°F 1916 | 26% | 28% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:48 AM, sunset 4:15 PM
- December 31
- sunrise 7:07 AM, sunset 4:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00267188 (Ryndon), public domain. Records: NOAA GHCN-Daily, station USW00024121, 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.