Yermo Weather in December
Average highs run from 63°F on December 1 to 59°F on December 31, and lows from 37°F to 35°F. Normal precipitation for the month is 0.56 in over about 3 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
- 60°F
- Average low
- 35°F
- Precipitation
- 0.56 in
- Snowfall
- 0.2 in
- Record high
- 83°FDec 12, 1958
- Record low
- 7°FDec 23, 1990
- Chance of a freeze
- 99%
- Daylight
- 9 h 59 min to 9 h 51 min
- Cloud cover
- 40%
- Humidity
- 51%
- Dew point
- 25°F
- Wind
- 8.1 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 | 63°F | 37°F | 80°F 2005 | 26°F 1957 | 7% | 0% |
| Dec 2 | 63°F | 37°F | 80°F 2008 | 27°F 2006 | 7% | 0% |
| Dec 3 | 62°F | 37°F | 80°F 1958 | 24°F 2006 | 8% | 0% |
| Dec 4 | 62°F | 36°F | 78°F 1995 | 24°F 2006 | 8% | 0% |
| Dec 5 | 62°F | 36°F | 78°F 2012 | 24°F 2011 | 8% | 0% |
| Dec 6 | 61°F | 36°F | 76°F 1977 | 20°F 2011 | 8% | 0% |
| Dec 7 | 61°F | 36°F | 78°F 1950 | 25°F 1978 | 8% | 0% |
| Dec 8 | 61°F | 36°F | 78°F 1975 | 17°F 1978 | 8% | 0% |
| Dec 9 | 60°F | 35°F | 78°F 1975 | 17°F 1956 | 9% | 0% |
| Dec 10 | 60°F | 35°F | 77°F 2015 | 21°F 1951 | 9% | 0% |
| Dec 11 | 60°F | 35°F | 79°F 1958 | 21°F 1949 | 9% | 0% |
| Dec 12 | 60°F | 35°F | 83°F 1958 | 16°F 1949 | 9% | 0% |
| Dec 13 | 60°F | 35°F | 76°F 1956 | 22°F 1945 | 9% | 0% |
| Dec 14 | 60°F | 35°F | 79°F 1988 | 20°F 1945 | 9% | 0% |
| Dec 15 | 59°F | 35°F | 80°F 1981 | 19°F 1987 | 10% | 0% |
| Dec 16 | 59°F | 35°F | 76°F 1980 | 24°F 2001 | 10% | 0% |
| Dec 17 | 59°F | 34°F | 79°F 2025 | 24°F 1971 | 10% | 0% |
| Dec 18 | 59°F | 34°F | 80°F 1998 | 25°F 1993 | 10% | 0% |
| Dec 19 | 59°F | 34°F | 80°F 2025 | 21°F 1945 | 10% | 0% |
| Dec 20 | 59°F | 34°F | 79°F 2025 | 21°F 1945 | 10% | 0% |
| Dec 21 | 59°F | 34°F | 76°F 2018 | 20°F 1990 | 11% | 0% |
| Dec 22 | 59°F | 34°F | 78°F 1955 | 13°F 1990 | 11% | 0% |
| Dec 23 | 59°F | 34°F | 77°F 1964 | 7°F 1990 | 11% | 0% |
| Dec 24 | 59°F | 34°F | 76°F 1969 | 12°F 1990 | 11% | 0% |
| Dec 25 | 59°F | 34°F | 75°F 1969 | 17°F 1990 | 11% | 0% |
| Dec 26 | 59°F | 34°F | 75°F 1964 | 20°F 1962 | 11% | 0% |
| Dec 27 | 59°F | 35°F | 73°F 1980 | 19°F 1990 | 11% | 0% |
| Dec 28 | 59°F | 35°F | 76°F 1980 | 19°F 1990 | 11% | 0% |
| Dec 29 | 59°F | 35°F | 79°F 2024 | 21°F 1954 | 11% | 0% |
| Dec 30 | 59°F | 35°F | 73°F 1950 | 17°F 1990 | 11% | 0% |
| Dec 31 | 59°F | 35°F | 74°F 1998 | 16°F 1990 | 11% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:37 AM, sunset 4:36 PM
- December 31
- sunrise 6:55 AM, sunset 4:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023161 (Barstow Daggett AP), public domain. Records: NOAA GHCN-Daily, station USW00023161, 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.