United States · 1991–2020 normal

Ionia in
December.

Typical December weather in Ionia: 1.2°C by day, -5.8°C at night, 51 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high1.2°C
Typical low-5.8°C
Rain51 mm
Wet days9.7

Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 9 h 01 from latitude 42.99°.

Event window

Frost-level nights in December

The measured night-time normal is -5.8°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4997191
NOAA station
USC00204078 · IONIA 2SSW
Station distance
3.8 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.