Phelan Weather in December
Average highs run from 50°F on December 1 to 47°F on December 31, and lows from 25°F to 26°F. Normal precipitation for the month is 4.14 in over about 5 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
- 48°F
- Average low
- 25°F
- Precipitation
- 4.14 in
- Snowfall
- 5.3 in
- Record high
- 90°FDec 17, 1917
- Record low
- 6°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 10 h 01 min to 9 h 53 min
- Cloud cover
- 43%
- Humidity
- 55%
- Dew point
- 26°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 | 50°F | 25°F | 78°F 1995 | 20°F 1918 | 14% | 6% |
| Dec 2 | 49°F | 25°F | 79°F 1995 | 14°F 1945 | 14% | 6% |
| Dec 3 | 49°F | 25°F | 78°F 1917 | 15°F 1945 | 15% | 6% |
| Dec 4 | 49°F | 25°F | 76°F 1958 | 18°F 1955 | 15% | 6% |
| Dec 5 | 49°F | 25°F | 85°F 1958 | 16°F 1917 | 15% | 6% |
| Dec 6 | 48°F | 24°F | 81°F 1958 | 16°F 1917 | 15% | 7% |
| Dec 7 | 48°F | 24°F | 81°F 1977 | 12°F 1978 | 15% | 7% |
| Dec 8 | 48°F | 24°F | 76°F 1977 | 14°F 1956 | 15% | 7% |
| Dec 9 | 48°F | 24°F | 74°F 1950 | 10°F 1917 | 15% | 7% |
| Dec 10 | 48°F | 24°F | 78°F 1989 | 9°F 1949 | 16% | 7% |
| Dec 11 | 47°F | 24°F | 78°F 1917 | 8°F 1949 | 16% | 7% |
| Dec 12 | 47°F | 24°F | 75°F 1977 | 13°F 1985 | 16% | 7% |
| Dec 13 | 47°F | 24°F | 76°F 1950 | 10°F 1945 | 16% | 8% |
| Dec 14 | 47°F | 24°F | 74°F 2019 | 7°F 1945 | 16% | 8% |
| Dec 15 | 47°F | 24°F | 78°F 1977 | 7°F 1940 | 16% | 8% |
| Dec 16 | 47°F | 24°F | 74°F 1917 | 15°F 1971 | 16% | 8% |
| Dec 17 | 47°F | 24°F | 90°F 1917 | 13°F 1945 | 17% | 8% |
| Dec 18 | 47°F | 24°F | 75°F 1939 | 18°F 1945 | 17% | 8% |
| Dec 19 | 47°F | 24°F | 76°F 1917 | 12°F 1945 | 17% | 8% |
| Dec 20 | 47°F | 24°F | 77°F 1981 | 10°F 1949 | 17% | 8% |
| Dec 21 | 47°F | 25°F | 74°F 1917 | 12°F 1968 | 17% | 8% |
| Dec 22 | 47°F | 25°F | 78°F 2000 | 7°F 1990 | 17% | 8% |
| Dec 23 | 47°F | 25°F | 76°F 2005 | 6°F 1990 | 17% | 8% |
| Dec 24 | 47°F | 25°F | 73°F 1964 | 9°F 1918 | 16% | 8% |
| Dec 25 | 47°F | 25°F | 75°F 2005 | 9°F 1918 | 16% | 8% |
| Dec 26 | 47°F | 25°F | 73°F 1950 | 8°F 1918 | 16% | 8% |
| Dec 27 | 47°F | 25°F | 75°F 1980 | 10°F 1918 | 16% | 8% |
| Dec 28 | 47°F | 25°F | 76°F 1980 | 14°F 1962 | 16% | 9% |
| Dec 29 | 47°F | 25°F | 76°F 1917 | 15°F 1962 | 16% | 9% |
| Dec 30 | 47°F | 25°F | 90°F 1917 | 8°F 1918 | 16% | 9% |
| Dec 31 | 47°F | 26°F | 74°F 1998 | 9°F 1918 | 16% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:39 AM, sunset 4:40 PM
- December 31
- sunrise 6:57 AM, sunset 4:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049822 (Wrightwood), public domain. Records: NOAA GHCN-Daily, station USC00049325, 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.