United States · 1991–2020 normal
Sun Valley in
December.
Typical December weather in Sun Valley: 2°C by day, -5.5°C at night, 112 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2°C
Typical low-5.5°C
Rain112 mm
Wet days9.2
Comfort score 5 this month (August leads the year at 78). Daylight is calculated as 9 h 14 from latitude 40.98°.
Event window
Frost-level nights in December
The measured night-time normal is -5.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5214809
- NOAA station
- USW00054789 · MT POCONO POCONO MOUNTAINS MUN
- Station distance
- 18.8 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.