Idaho weather in December 2020

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

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The December weather guide for 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.

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How cold is it in Idaho in December?

Daytime temperatures usually reach 3°C in Boise, Idaho in December, falling to -6°C 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 36mm.

Idaho sunrise & sunset times for December 2020

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


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

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