Sun Valley weather in December 2024

Expect 30°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Sun Valley in December. Check more long-term weather averages for Sun Valley in December before you book your next holiday to Idaho in 2024/2025.

  • 30°F maximum daytime temperature in December in Sun Valley30
    30°F max day temperature
  • 4 hours of sunshine per day
  • 13 days with some rainfall in December in Sun Valley13
    13 days with some rainfall
  • 9°F minimum night-time temperature in December in Sun Valley9
    9°F min night temperature
  • 9 hours of daylight per day in December in Sun Valley9
    9 hours of daylight per day
  • No heat & humidity in December in Sun Valley0
    No heat & humidity
  • 2.6 inches monthly rainfall in December in Sun Valley2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Sun Valley1
    1 (Low) UV index

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The December weather guide for Idaho (Sun Valley) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How cold is it in Sun Valley in December?

Daytime temperatures usually reach 30°F in Sun Valley in December, falling to 9°F at night.

How sunny is it in Sun Valley in December?

There are normally 4 hours of bright sunshine each day in Sun Valley in December - that's 40% of daylight hours.

Does it rain in Sun Valley in December?

There are usually 13 days with some rain in Sun Valley in December and the average monthly rainfall is 2.6 inches. Rain may fall as snow in this month.

Sun Valley December sunrise & sunset times

Browse the sunrise and sunset times for Sun Valley in December 2024. Select a month to view Sun Valley sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:52 17:01
Monday, 16th December 2024 08:05 17:02
Tuesday, 31st December 2024 08:11 17:11

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