United States · 1991–2020 normal
Challis in
December.
Typical December weather in Challis: -1.6°C by day, -12.6°C at night, 13 mm of rain over 3.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1.6°C
Typical low-12.6°C
Rain13 mm
Wet days3.7
Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 8 h 51 from latitude 44.50°.
Event window
Frost-level nights in December
The measured night-time normal is -12.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5588524
- NOAA station
- USW00004114 · CHALLIS AP
- Station distance
- 2.4 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.