Sun Valley weather in December (Idaho, United States of America)
How's the weather trend in Sun Valley as December approaches? This guide provides the necessary weather information for your travel plans.
Temperatures
During December, Sun Valley usually has very low temperatures and moderate snowfall. During December, the winter season is in full swing. During the day, temperatures can climb to about -0°C. At night, they may fall to a cooler -12°C. With temperatures often at their lowest, this month is coldest of the year. Ideal for indoor activities, be sure to pack warm clothing.
Precipitation
Sun Valley in December usually receives moderate snowfall, averaging around 80 mm for the month. During the wettest month of the year, an umbrella can be your best friend to stay dry. Based on our climate data of the past 30 years, about 15 days of snow are anticipated.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Sun Valley. June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Sun Valley climate page with graphs.
Sun Valley, monthly averages in December
Min Temperature
-12°C
Max Temperature
-0°C
Chance of Rain
50%
Precipitation
80 mm
Rainy days
15 days
Where to go in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Visitors traveling to Sun Valley should plan on bringing winter clothes, snow boots and a warm winter coat. There will be periods of snow.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Sun Valley.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
