United States · 1991–2020 normal
Iona in
December.
Typical December weather in Iona: -0.2°C by day, -8.9°C at night, 29 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.2°C
Typical low-8.9°C
Rain29 mm
Wet days6.8
Comfort score 5 this month (June leads the year at 83). Daylight is calculated as 8 h 58 from latitude 43.53°.
Event window
Frost-level nights in December
The measured night-time normal is -8.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5596741
- NOAA station
- USC00104455 · IDAHO FALLS - KIFI
- Station distance
- 6.6 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.