Boise weather in December 2020

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

  • 3°C maximum daytime temperature in December in Boise3
    3°C max day temperature
  • 3 hours of sunshine per day
  • 11 days with some rainfall in December in Boise11
    11 days with some rainfall
  • -6°C minimum night-time temperature in December in Boise-6
    -6°C min night temperature
  • 9 hours of daylight per day in December in Boise9
    9 hours of daylight per day
  • No heat & humidity in December in Boise0
    No heat & humidity
  • 36 mm monthly rainfall in December in Boise36
    36 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Boise1
    1 (Low) UV index
  • Top deals & discounts
  • Boise weather overview
  • Boise climate averages by month
  • More destinations
  • Best time to go to Boise
  • Boise 5-day weather forecast

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

The December weather guide for Boise, 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.

  • Book Alamo Gold+ on US car hire & get FREE GPS
  • Plus one tank of fuel & up to 3 additional drivers
  • Alamo Gold is only available to UK residents

How cold is it in Boise in December?

Daytime temperatures usually reach 3°C in Boise in December, falling to -6°C at night.

How sunny is it in Boise in December?

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

Does it rain in Boise in December?

There are usually 11 days with some rain in Boise in December and the average monthly rainfall is 36mm.

Boise sunrise & sunset times for December 2020

Browse the sunrise & sunset times for Boise in December 2020. Select a month to view Boise sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2020 07:59 17:09
Wednesday, 16th December 2020 08:12 17:09
Thursday, 31st December 2020 08:18 17:18
  • Book hotel rooms with Hotels.com + free cancellation on most rooms
  • Search for destinations worldwide
  • Hotels.com's T&Cs apply

Expires at 23:59 on Thursday 30th Apr 2020 · View all Hotels.com offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about the USA

Where's warm in Idaho in December?

Below are average maximum temperatures at popular destinations in Idaho in December. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.