Sun Valley in December
Cold and damp, as the days hold steady.
December in Sun Valley is cold: highs near 34°F, lows near 10°F. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 59 minutes.December in Sun Valley is cold: highs near 1°C, lows near -12°C. Rain or snow falls on about three days a week, and daylight holds at about 8 hours 59 minutes.
- High
- 34°F1°Caverage
- Low
- 10°F-12°Caverage
- Wet days
- 3a week · 37% of days
- Daylight
- 8h 59mon average
Is December a good time to visit Sun Valley?
December sits outside Sun Valley's best months, which run from July to September. Expect cold days and rain or snow on about three days a week.
How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.
How December sits in the year
week by weekTemperature
Highs near 34°F in December, against 34°F to 84°F through the year.Highs near 1°C in December, against 1°C to 29°C through the year.
Chance of a wet day
37% of days in December, against 14% to 41% through the year.
Cloud cover
60% cover in December, against 24% to 63% through the year.
Daylight
8h 59m in December, against 8h 59m to 15h 23m through the year.
Either side
Where Sun Valley sits, in December
America/Boise- this place
- typical high in December 40°F4°C95°F35°C
- Sunrise, mid-December
- 8:04 AMsets 5:01 PM
- Above the sea
- 1,734 mhigh country
- Latitude
- 43.7°Nnorthern hemisphere
- Nearest of ours
- Stanley75 km north-west
The land around Sun Valley, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.