United States · 1991–2020 normal

Westmont in
January.

Typical January weather in Westmont: 1.2°C by day, -7.9°C at night, 57 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high1.2°C
Typical low-7.9°C
Rain57 mm
Wet days8

Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 27 from latitude 41.80°. Open-water sea temperature is 3.3°C (30 km from the place centre).

Event window

Frost-level nights in January

The measured night-time normal is -7.9°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4916207
NOAA station
USC00119221 · WHEATON 3 SE
Station distance
8.3 km from the place centre
Coverage
Good coverage · 17 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.