United States · 1991–2020 normal

Monona in
December.

Typical December weather in Monona: 0°C by day, -9.8°C at night, 37 mm of rain over 5.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high0°C
Typical low-9.8°C
Rain37 mm
Wet days5.3

Comfort score 5 this month (September leads the year at 76). Daylight is calculated as 9 h 01 from latitude 43.05°.

Event window

Frost-level nights in December

The measured night-time normal is -9.8°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4867700
NOAA station
USC00136766 · POSTVILLE
Station distance
14.4 km from the place centre
Coverage
Good coverage · 20 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.