United States · 1991–2020 normal

Mascoutah in
December.

Typical December weather in Mascoutah: 7.8°C by day, -2°C at night, 66 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.8°C
Typical low-2°C
Rain66 mm
Wet days6.6

Comfort score 8 this month (September leads the year at 75). Daylight is calculated as 9 h 29 from latitude 38.49°.

Event window

Frost-level nights in December

The measured night-time normal is -2°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4244031
NOAA station
USW00013802 · BELLEVILLE SIU RSCH
Station distance
5.7 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.