Sun Valley weather in December 2019

  • -1°C maximum daytime temperature in December in Sun Valley-1
    -1°C max day temperature
  • 4 hours of sunshine per day
  • 13 days with some rainfall in December in Sun Valley13
    13 days with some rainfall
  • -13°C minimum night-time temperature in December in Sun Valley-13
    -13°C 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
  • 67 mm monthly rainfall in December in Sun Valley67
    67 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Sun Valley1
    1 (Low) UV index

Going to Sun Valley? Find the best month to visit Sun Valley based on the weather.

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Expect -1°C 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 2019/2020.

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More about Sun Valley

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The December weather guide for Sun Valley, Idaho 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 / mm)  |  Imperial (°F / inches)

Guide to Sun Valley weather in December

The average maximum daytime temperature in Sun Valley in December is a very cold -1°C (30°F). The average night-time temperature is usually a very cold -13°C (9°F). There are usually 4 hours of bright sunshine each day, which represents 40% of the 9 hours of daylight.

Expect 67mm (2.6 inches) of rainfall across the whole of December with 13 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

Sun Valley sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Sun Valley in December 2019. Select a month to view Sun Valley sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 07:51 17:02
Monday, 2nd December 2019 07:52 17:01
Tuesday, 3rd December 2019 07:53 17:01
Wednesday, 4th December 2019 07:54 17:01
Thursday, 5th December 2019 07:55 17:01
Friday, 6th December 2019 07:56 17:00
Saturday, 7th December 2019 07:57 17:00
Sunday, 8th December 2019 07:58 17:00
Monday, 9th December 2019 07:59 17:00
Tuesday, 10th December 2019 08:00 17:00
Wednesday, 11th December 2019 08:01 17:00
Thursday, 12th December 2019 08:02 17:00
Friday, 13th December 2019 08:02 17:01
Saturday, 14th December 2019 08:03 17:01
Sunday, 15th December 2019 08:04 17:01
Monday, 16th December 2019 08:05 17:01
Tuesday, 17th December 2019 08:05 17:02
Wednesday, 18th December 2019 08:06 17:02
Thursday, 19th December 2019 08:07 17:02
Friday, 20th December 2019 08:07 17:03
Saturday, 21st December 2019 08:08 17:03
Sunday, 22nd December 2019 08:08 17:04
Monday, 23rd December 2019 08:09 17:04
Tuesday, 24th December 2019 08:09 17:05
Wednesday, 25th December 2019 08:09 17:05
Thursday, 26th December 2019 08:10 17:06
Friday, 27th December 2019 08:10 17:07
Saturday, 28th December 2019 08:10 17:08
Sunday, 29th December 2019 08:11 17:08
Monday, 30th December 2019 08:11 17:09
Tuesday, 31st December 2019 08:11 17:10
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