Pasadena Weather in January
Average highs run from 44°F on January 1 to 44°F on January 31, and lows from 27°F to 25°F. Normal precipitation for the month is 3.08 in over about 10 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
- 43°F
- Average low
- 25°F
- Precipitation
- 3.08 in
- Snowfall
- 6.4 in
- Record high
- 78°FJan 26, 2024
- Record low
- -7°FJan 17, 1982
- Chance of a freeze
- 100%
- Daylight
- 9 h 28 min to 10 h 12 min
- Cloud cover
- 64%
- Humidity
- 83%
- Dew point
- 28°F
- Wind
- 11.2 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 |
|---|---|---|---|---|---|---|
| Jan 1 | 44°F | 27°F | 67°F 2005 | 3°F 2018 | 33% | 7% |
| Jan 2 | 44°F | 27°F | 68°F 2000 | 0°F 1968 | 33% | 7% |
| Jan 3 | 44°F | 27°F | 69°F 2023 | 5°F 2018 | 33% | 7% |
| Jan 4 | 44°F | 26°F | 70°F 2000 | 6°F 2014 | 33% | 7% |
| Jan 5 | 44°F | 26°F | 69°F 1997 | 7°F 1981 | 33% | 7% |
| Jan 6 | 44°F | 26°F | 71°F 2007 | 7°F 1999 | 33% | 7% |
| Jan 7 | 43°F | 26°F | 70°F 2008 | 1°F 2018 | 33% | 8% |
| Jan 8 | 43°F | 26°F | 70°F 2008 | 4°F 1970 | 33% | 8% |
| Jan 9 | 43°F | 26°F | 64°F 1998 | 2°F 1970 | 33% | 8% |
| Jan 10 | 43°F | 26°F | 68°F 1950 | 2°F 1982 | 33% | 8% |
| Jan 11 | 43°F | 26°F | 73°F 1975 | 1°F 1982 | 33% | 8% |
| Jan 12 | 43°F | 26°F | 70°F 2017 | 1°F 1981 | 33% | 8% |
| Jan 13 | 43°F | 25°F | 71°F 1995 | 0°F 1981 | 33% | 8% |
| Jan 14 | 43°F | 25°F | 69°F 1995 | 7°F 1997 | 33% | 9% |
| Jan 15 | 43°F | 25°F | 69°F 1952 | -2°F 1964 | 33% | 9% |
| Jan 16 | 43°F | 25°F | 71°F 1953 | 3°F 1977 | 33% | 9% |
| Jan 17 | 43°F | 25°F | 67°F 1990 | -7°F 1982 | 33% | 9% |
| Jan 18 | 43°F | 25°F | 68°F 1986 | -4°F 1957 | 33% | 9% |
| Jan 19 | 43°F | 25°F | 69°F 1951 | -5°F 1994 | 33% | 9% |
| Jan 20 | 43°F | 25°F | 71°F 1951 | -3°F 1985 | 32% | 10% |
| Jan 21 | 43°F | 25°F | 64°F 2006 | -6°F 1985 | 32% | 10% |
| Jan 22 | 43°F | 25°F | 66°F 1986 | -7°F 1984 | 32% | 10% |
| Jan 23 | 43°F | 25°F | 73°F 1967 | 3°F 2014 | 32% | 10% |
| Jan 24 | 43°F | 25°F | 74°F 1967 | 1°F 1963 | 32% | 10% |
| Jan 25 | 43°F | 25°F | 75°F 1967 | 3°F 1961 | 32% | 10% |
| Jan 26 | 43°F | 25°F | 78°F 2024 | 2°F 1961 | 32% | 10% |
| Jan 27 | 43°F | 25°F | 72°F 1974 | 3°F 1987 | 32% | 10% |
| Jan 28 | 43°F | 25°F | 68°F 1944 | -3°F 1987 | 32% | 10% |
| Jan 29 | 43°F | 25°F | 75°F 1975 | -7°F 1963 | 32% | 10% |
| Jan 30 | 44°F | 25°F | 70°F 2002 | 5°F 1940 | 32% | 10% |
| Jan 31 | 44°F | 25°F | 66°F 2012 | 4°F 1965 | 32% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:26 AM, sunset 4:54 PM
- January 31
- sunrise 7:14 AM, sunset 5:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093721 (Baltimore Wash Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00093721, 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.