Folsom Weather in January
Average highs run from 43°F on January 1 to 42°F on January 31, and lows from 25°F to 24°F. Normal precipitation for the month is 3.49 in over about 11 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
- 42°F
- Average low
- 24°F
- Precipitation
- 3.49 in
- Snowfall
- 5.7 in
- Record high
- 78°FJan 24, 1967
- Record low
- -10°FJan 17, 1977
- Chance of a freeze
- 100%
- Daylight
- 9 h 26 min to 10 h 10 min
- Cloud cover
- 63%
- Humidity
- 83%
- Dew point
- 27°F
- Wind
- 11.4 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 | 43°F | 25°F | 66°F 2005 | 4°F 2018 | 35% | 5% |
| Jan 2 | 43°F | 25°F | 66°F 2000 | 0°F 1968 | 35% | 5% |
| Jan 3 | 43°F | 25°F | 69°F 2004 | 3°F 2014 | 35% | 6% |
| Jan 4 | 43°F | 25°F | 70°F 2023 | -3°F 2014 | 35% | 6% |
| Jan 5 | 43°F | 25°F | 65°F 1993 | 6°F 1969 | 35% | 6% |
| Jan 6 | 42°F | 25°F | 72°F 2007 | 4°F 1981 | 35% | 6% |
| Jan 7 | 42°F | 25°F | 69°F 2008 | -3°F 2018 | 35% | 6% |
| Jan 8 | 42°F | 24°F | 68°F 2008 | 2°F 1981 | 35% | 7% |
| Jan 9 | 42°F | 24°F | 68°F 2008 | -2°F 1981 | 35% | 7% |
| Jan 10 | 42°F | 24°F | 63°F 2016 | 3°F 1982 | 35% | 7% |
| Jan 11 | 42°F | 24°F | 63°F 2020 | -2°F 1982 | 36% | 7% |
| Jan 12 | 42°F | 24°F | 70°F 2020 | -5°F 1981 | 36% | 8% |
| Jan 13 | 42°F | 24°F | 67°F 1995 | -6°F 1981 | 36% | 8% |
| Jan 14 | 42°F | 24°F | 67°F 1995 | 1°F 1981 | 36% | 8% |
| Jan 15 | 41°F | 24°F | 66°F 1995 | 0°F 1965 | 36% | 8% |
| Jan 16 | 41°F | 24°F | 64°F 2007 | -4°F 1977 | 36% | 9% |
| Jan 17 | 41°F | 24°F | 63°F 1973 | -10°F 1977 | 36% | 9% |
| Jan 18 | 41°F | 24°F | 67°F 1986 | -9°F 1977 | 36% | 9% |
| Jan 19 | 41°F | 23°F | 60°F 1973 | -3°F 1994 | 36% | 9% |
| Jan 20 | 41°F | 23°F | 60°F 2006 | -4°F 1985 | 36% | 10% |
| Jan 21 | 41°F | 23°F | 62°F 1974 | -9°F 1985 | 37% | 10% |
| Jan 22 | 41°F | 23°F | 66°F 1967 | -8°F 1961 | 37% | 10% |
| Jan 23 | 41°F | 23°F | 74°F 1967 | 3°F 1970 | 37% | 10% |
| Jan 24 | 41°F | 23°F | 78°F 1967 | 1°F 1961 | 37% | 11% |
| Jan 25 | 42°F | 23°F | 72°F 1967 | 4°F 1961 | 37% | 11% |
| Jan 26 | 42°F | 23°F | 72°F 1967 | 3°F 1961 | 37% | 11% |
| Jan 27 | 42°F | 23°F | 72°F 1974 | -1°F 1987 | 37% | 11% |
| Jan 28 | 42°F | 23°F | 63°F 2002 | -8°F 1987 | 37% | 11% |
| Jan 29 | 42°F | 23°F | 71°F 2002 | 0°F 1966 | 37% | 11% |
| Jan 30 | 42°F | 23°F | 72°F 2002 | -3°F 2014 | 37% | 11% |
| Jan 31 | 42°F | 24°F | 64°F 2016 | 2°F 2026 | 37% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:20 AM, sunset 4:46 PM
- January 31
- sunrise 7:08 AM, sunset 5:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00283662 (Hammonton 1 Ne), public domain. Records: NOAA GHCN-Daily, station USW00093730, 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.