United States · 1991–2020 normal

Lemont in
December.

Typical December weather in Lemont: 3.8°C by day, -3.4°C at night, 81 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high3.8°C
Typical low-3.4°C
Rain81 mm
Wet days8.4

Comfort score 5 this month (June leads the year at 79). Daylight is calculated as 9 h 15 from latitude 40.81°.

Event window

Frost-level nights in December

The measured night-time normal is -3.4°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5197723
NOAA station
USC00368449 · STATE COLLEGE
Station distance
4.5 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.