United States · 1991–2020 normal
Folsom in
January.
Typical January weather in Folsom: 6.1°C by day, -4.4°C at night, 94 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.1°C
Typical low-4.4°C
Rain94 mm
Wet days8
Comfort score 5 this month (May leads the year at 77). Daylight is calculated as 9 h 39 from latitude 39.60°.
Event window
Frost-level nights in January
The measured night-time normal is -4.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4501808
- NOAA station
- USC00284229 · INDIAN MILLS 2 W
- Station distance
- 22.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.