Measurements:
°C
°F
Sun Valley
26°F
S 4 mph
Feels like: 20°F
Precip: 0%
World Resorts USA Sun Valley Weather December Weather in Sun Valley

Sun Valley Weather: December

Average Day Temperature: 22.9°F
Average Night Temperature: 13.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 8.9 - 9.2 hours
Number of Rainy Days: 0 days
Precipitation Totals: 1.0 in
Number of Snowy Days: 2 days

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 41°F. The lowest night temperature was 2°F. The average values for day and night temperatures during December were 26.8°F и 19.7°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Sun Valley is 1.0 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 4.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sun Valley in December is 4.8 hours.

Best Time to Visit Sun Valley
The most sunny months:
July 25 days
September 23 days
August 22 days
The most warm months:
July 80.3 °F
August 76.2 °F
September 68.6 °F
The most cold months:
January 21.3 °F
February 22.7 °F
December 22.9 °F
The most rainy months:
June 2 days
May 2 days
November 2 days
The most windy months:
July 6 mph
June 6 mph
August 6 mph

Sun Valley on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Sun Valley
Local time: 03:37
22 dec, sunday
0600 18°F
S
5 mph
0900 16°F
S
4 mph
1200 28°F
E
2 mph
1500 32°F
NE
3 mph
1800 30°F
SE
2 mph
2100 28°F
S
5 mph
23 dec, monday
0000 30°F
S
4 mph
0300 30°F
S
2 mph