Montana weather in December 2019

  • 0°C maximum daytime temperature in December in Montana (Helena)0
    0°C max day temperature
  • 3 hours of sunshine per day (37% of daylight hours) in December in Montana3
    3 hours of sunshine per day
  • 9 days with some rainfall in December in Montana (Helena)9
    9 days with some rainfall
  • -12°C minimum night-time temperature in December in Montana (Helena)-12
    -12°C min night temperature
  • 9 hours of daylight per day in December in Montana (Helena)9
    9 hours of daylight per day
  • No heat & humidity in December in Montana (Helena)0
    No heat & humidity
  • 16 mm monthly rainfall in December in Montana (Helena)16
    16 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Montana (Helena)1
    1 (Low) UV index

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

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Expect 0°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Montana in December. Check more long-term weather averages for Montana in December before you book your next holiday to Montana in 2019/2020. The December weather averages shown above are for Helena.

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More about Montana

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The December weather guide for Montana, represented by Helena, 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 Montana weather in December

The average maximum daytime temperature in Montana in December is a cold 0°C (32°F). The average night-time temperature is usually a very cold -12°C (10°F). There are usually 3 hours of bright sunshine each day, which represents 37% of the 9 hours of daylight.

Expect 16mm (0.6 inches) of rainfall across the whole of December with 9 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

The weather in Montana in December is represented by Helena.

Montana sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Montana in December 2019. Select a month to view Montana sunrise & sunset times for the next twelve months. The Montana sunrise & sunset times shown below are for Helena.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 07:52 16:43
Monday, 2nd December 2019 07:53 16:42
Tuesday, 3rd December 2019 07:54 16:42
Wednesday, 4th December 2019 07:55 16:41
Thursday, 5th December 2019 07:56 16:41
Friday, 6th December 2019 07:57 16:41
Saturday, 7th December 2019 07:58 16:41
Sunday, 8th December 2019 07:59 16:41
Monday, 9th December 2019 08:00 16:41
Tuesday, 10th December 2019 08:01 16:41
Wednesday, 11th December 2019 08:02 16:41
Thursday, 12th December 2019 08:03 16:41
Friday, 13th December 2019 08:04 16:41
Saturday, 14th December 2019 08:05 16:41
Sunday, 15th December 2019 08:05 16:41
Monday, 16th December 2019 08:06 16:41
Tuesday, 17th December 2019 08:07 16:42
Wednesday, 18th December 2019 08:08 16:42
Thursday, 19th December 2019 08:08 16:42
Friday, 20th December 2019 08:09 16:43
Saturday, 21st December 2019 08:09 16:43
Sunday, 22nd December 2019 08:10 16:44
Monday, 23rd December 2019 08:10 16:44
Tuesday, 24th December 2019 08:11 16:45
Wednesday, 25th December 2019 08:11 16:45
Thursday, 26th December 2019 08:11 16:46
Friday, 27th December 2019 08:12 16:47
Saturday, 28th December 2019 08:12 16:48
Sunday, 29th December 2019 08:12 16:48
Monday, 30th December 2019 08:12 16:49
Tuesday, 31st December 2019 08:12 16:50

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