United States · 1991–2020 normal
Ackley in
December.
Typical December weather in Ackley: -0.3°C by day, -9.6°C at night, 37 mm of rain over 5.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.3°C
Typical low-9.6°C
Rain37 mm
Wet days5.6
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 04 from latitude 42.55°.
Event window
Frost-level nights in December
The measured night-time normal is -9.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4846317
- NOAA station
- USC00134142 · IOWA FALLS
- Station distance
- 16.9 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.