Great Falls weather in December 2024

Expect 0°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Great Falls in December. Check more long-term weather averages for Great Falls in December before you book your next holiday to Montana in 2024/2025.

  • 0°C maximum daytime temperature in December in Great Falls0
    0°C max day temperature
  • 3 hours of sunshine per day
  • 9 days with some rainfall in December in Great Falls9
    9 days with some rainfall
  • -10°C minimum night-time temperature in December in Great Falls-10
    -10°C min night temperature
  • 9 hours of daylight per day in December in Great Falls9
    9 hours of daylight per day
  • No heat & humidity in December in Great Falls0
    No heat & humidity
  • 18 mm monthly rainfall in December in Great Falls18
    18 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Great Falls1
    1 (Low) UV index

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The December weather guide for Montana (Great Falls) 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)

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How cold is it in Great Falls in December?

Daytime temperatures usually reach 0°C in Great Falls in December, falling to -10°C at night.

How sunny is it in Great Falls in December?

There are normally 3 hours of bright sunshine each day in Great Falls in December - that's 40% of daylight hours.

Does it rain in Great Falls in December?

There are usually 9 days with some rain in Great Falls in December and the average monthly rainfall is 18mm. Rain may fall as snow in this month.

Great Falls December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:53 16:36
Monday, 16th December 2024 08:07 16:35
Tuesday, 31st December 2024 08:13 16:44

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