Commerce Weather in January
Average highs run from 68°F on January 1 to 68°F on January 31, and lows from 46°F to 46°F. Normal precipitation for the month is 3.56 in over about 7 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 69°F
- Average low
- 46°F
- Precipitation
- 3.56 in
- Record high
- 94°FJan 18, 1971
- Record low
- 22°FJan 4, 1949
- Chance of a freeze
- 9%
- Daylight
- 9 h 57 min to 10 h 32 min
- Cloud cover
- 46%
- Humidity
- 61%
- Dew point
- 37°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 68°F | 46°F | 85°F 1964 | 31°F 1952 | 19% |
| Jan 2 | 68°F | 46°F | 84°F 1994 | 27°F 1952 | 20% |
| Jan 3 | 68°F | 46°F | 89°F 2001 | 27°F 1952 | 20% |
| Jan 4 | 68°F | 46°F | 87°F 2001 | 22°F 1949 | 20% |
| Jan 5 | 69°F | 46°F | 87°F 2006 | 23°F 1949 | 20% |
| Jan 6 | 69°F | 46°F | 87°F 2006 | 27°F 1950 | 20% |
| Jan 7 | 69°F | 46°F | 88°F 1962 | 26°F 1950 | 20% |
| Jan 8 | 69°F | 46°F | 86°F 2007 | 29°F 1982 | 20% |
| Jan 9 | 69°F | 46°F | 87°F 1983 | 29°F 1952 | 20% |
| Jan 10 | 69°F | 46°F | 87°F 1953 | 28°F 1949 | 20% |
| Jan 11 | 69°F | 46°F | 88°F 1996 | 32°F 1949 | 20% |
| Jan 12 | 69°F | 46°F | 88°F 2009 | 30°F 1949 | 20% |
| Jan 13 | 69°F | 46°F | 86°F 1986 | 27°F 1963 | 20% |
| Jan 14 | 69°F | 46°F | 90°F 1961 | 28°F 1963 | 20% |
| Jan 15 | 69°F | 46°F | 88°F 1961 | 29°F 1949 | 20% |
| Jan 16 | 69°F | 46°F | 89°F 1961 | 27°F 1947 | 20% |
| Jan 17 | 69°F | 46°F | 90°F 1961 | 28°F 1987 | 20% |
| Jan 18 | 69°F | 46°F | 94°F 1971 | 33°F 1947 | 20% |
| Jan 19 | 69°F | 46°F | 89°F 1971 | 31°F 1947 | 20% |
| Jan 20 | 69°F | 46°F | 85°F 1975 | 30°F 1945 | 21% |
| Jan 21 | 69°F | 46°F | 85°F 2013 | 31°F 1966 | 21% |
| Jan 22 | 69°F | 46°F | 83°F 1994 | 31°F 1966 | 21% |
| Jan 23 | 69°F | 46°F | 88°F 1953 | 31°F 1996 | 21% |
| Jan 24 | 69°F | 46°F | 91°F 1951 | 30°F 1949 | 21% |
| Jan 25 | 69°F | 46°F | 89°F 1951 | 33°F 1978 | 21% |
| Jan 26 | 69°F | 46°F | 87°F 1951 | 28°F 1950 | 21% |
| Jan 27 | 68°F | 46°F | 88°F 1986 | 27°F 1950 | 21% |
| Jan 28 | 68°F | 46°F | 87°F 1971 | 27°F 1948 | 21% |
| Jan 29 | 68°F | 46°F | 88°F 1971 | 27°F 1979 | 21% |
| Jan 30 | 68°F | 46°F | 85°F 1953 | 29°F 1949 | 21% |
| Jan 31 | 68°F | 46°F | 91°F 2003 | 29°F 2002 | 21% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 6:58 AM, sunset 4:55 PM
- January 31
- sunrise 6:50 AM, sunset 5:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047785 (San Gabriel Fire Dept), public domain. Records: NOAA GHCN-Daily, station USC00047785, 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.