Pasadena Weather in January
Average highs run from 67°F on January 1 to 69°F on January 31, and lows from 45°F to 46°F. Normal precipitation for the month is 4.51 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
- 68°F
- Average low
- 46°F
- Precipitation
- 4.51 in
- Record high
- 77°FJan 31, 2003
- Record low
- 9°FJan 29, 1969
- Chance of a freeze
- 8%
- Daylight
- 9 h 56 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 | 67°F | 45°F | 73°F 2012 | 15°F 1960 | 22% |
| Jan 2 | 67°F | 45°F | 75°F 2012 | 15°F 1949 | 23% |
| Jan 3 | 67°F | 45°F | 74°F 2012 | 10°F 1949 | 23% |
| Jan 4 | 67°F | 45°F | 76°F 2012 | 10°F 1949 | 23% |
| Jan 5 | 67°F | 45°F | 76°F 2006 | 20°F 1950 | 23% |
| Jan 6 | 68°F | 45°F | 73°F 2015 | 18°F 1971 | 23% |
| Jan 7 | 68°F | 45°F | 73°F 2015 | 18°F 1989 | 23% |
| Jan 8 | 68°F | 45°F | 70°F 1962 | 17°F 1952 | 23% |
| Jan 9 | 68°F | 45°F | 74°F 1990 | 13°F 1949 | 23% |
| Jan 10 | 68°F | 46°F | 72°F 1953 | 10°F 1949 | 23% |
| Jan 11 | 68°F | 46°F | 71°F 2009 | 14°F 1949 | 23% |
| Jan 12 | 68°F | 46°F | 71°F 2009 | 15°F 1963 | 22% |
| Jan 13 | 68°F | 46°F | 71°F 1975 | 16°F 1963 | 22% |
| Jan 14 | 68°F | 46°F | 74°F 1975 | 16°F 2013 | 22% |
| Jan 15 | 68°F | 46°F | 73°F 1975 | 18°F 1949 | 22% |
| Jan 16 | 68°F | 46°F | 75°F 2011 | 15°F 1949 | 22% |
| Jan 17 | 68°F | 46°F | 74°F 1971 | 18°F 1949 | 22% |
| Jan 18 | 68°F | 46°F | 73°F 2014 | 21°F 1988 | 22% |
| Jan 19 | 68°F | 46°F | 73°F 1985 | 20°F 1955 | 22% |
| Jan 20 | 68°F | 46°F | 71°F 1985 | 20°F 1973 | 22% |
| Jan 21 | 69°F | 46°F | 70°F 1985 | 19°F 1962 | 22% |
| Jan 22 | 69°F | 46°F | 69°F 2011 | 18°F 1982 | 22% |
| Jan 23 | 69°F | 46°F | 70°F 1951 | 17°F 1964 | 22% |
| Jan 24 | 69°F | 46°F | 72°F 1982 | 15°F 1949 | 23% |
| Jan 25 | 69°F | 46°F | 70°F 2015 | 14°F 1949 | 23% |
| Jan 26 | 69°F | 46°F | 72°F 2012 | 19°F 1979 | 23% |
| Jan 27 | 69°F | 46°F | 72°F 1986 | 15°F 1957 | 23% |
| Jan 28 | 69°F | 46°F | 74°F 2014 | 10°F 1957 | 23% |
| Jan 29 | 69°F | 46°F | 75°F 2014 | 9°F 1969 | 23% |
| Jan 30 | 69°F | 46°F | 75°F 2003 | 18°F 1979 | 23% |
| Jan 31 | 69°F | 46°F | 77°F 2003 | 20°F 1957 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 6:58 AM, sunset 4:54 PM
- January 31
- sunrise 6:50 AM, sunset 5:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046719 (Pasadena), public domain. Records: NOAA GHCN-Daily, station USC00046006, 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.