United States · 1991–2020 normal
Shelley in
December.
Typical December weather in Shelley: -0.8°C by day, -10.3°C at night, 18 mm of rain over 5.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.8°C
Typical low-10.3°C
Rain18 mm
Wet days5.4
Comfort score 5 this month (June leads the year at 82). Daylight is calculated as 8 h 59 from latitude 43.38°.
Event window
Frost-level nights in December
The measured night-time normal is -10.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5607051
- NOAA station
- USW00024145 · IDAHO FALLS FAA AP
- Station distance
- 16.1 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.