Idaho weather in December 2024

Expect 37°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Idaho in December. Check more long-term weather averages for Idaho in December before you book your next holiday to Idaho in 2024/2025.

  • 37°F maximum daytime temperature in December in Idaho (Boise)37
    37°F max day temperature
  • 3 hours of sunshine per day
  • 11 days with some rainfall in December in Idaho (Boise)11
    11 days with some rainfall
  • 21°F minimum night-time temperature in December in Idaho (Boise)21
    21°F min night temperature
  • 9 hours of daylight per day in December in Idaho (Boise)9
    9 hours of daylight per day
  • No heat & humidity in December in Idaho (Boise)0
    No heat & humidity
  • 1.4 inches monthly rainfall in December in Idaho (Boise)1.4
    1.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Idaho (Boise)1
    1 (Low) UV index

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Idaho by month

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Recommended for Idaho

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The December weather guide for Idaho (Boise) 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.

Top Idaho destinations

Below are average maximum temperatures at popular countries, regions and places in Idaho in December. Select a holiday destination to see more weather parameters.

All Idaho destinations

Metric (°C)  |  Imperial (°F)

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More about the USA

How cold is it in Idaho in December?

Daytime temperatures usually reach 37°F in Boise, Idaho in December, falling to 21°F at night.

How sunny is it in Idaho in December?

There are normally 3 hours of bright sunshine each day in Boise, Idaho in December - that's 38% of daylight hours.

Does it rain in Idaho in December?

There are usually 11 days with some rain in Boise, Idaho in December and the average monthly rainfall is 1.4 inches. Rain may fall as snow in this month.

Idaho December sunrise & sunset times

Browse the sunrise and sunset times for Idaho in December 2024. Select a month to view Idaho sunrise and sunset times for the next 12 months. The Idaho sunrise and sunset times shown below are for Boise.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:59 17:09
Monday, 16th December 2024 08:12 17:09
Tuesday, 31st December 2024 08:18 17:18

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