United States · 1991–2020 normal

Mount Ayr in
December.

Typical December weather in Mount Ayr: 2.8°C by day, -7.7°C at night, 45 mm of rain over 4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high2.8°C
Typical low-7.7°C
Rain45 mm
Wet days4

Comfort score 5 this month (September leads the year at 81). Daylight is calculated as 9 h 16 from latitude 40.71°.

Event window

Frost-level nights in December

The measured night-time normal is -7.7°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4868092
NOAA station
USC00135769 · MT AYR
Station distance
1.2 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.