Weather in Montana in December 2017

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 2017. The December weather averages shown below are for Helena.

Key weather averages for Montana in December

  • 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

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

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

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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 2017

Browse the sunrise & sunset times for Montana in December 2017. 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
Friday, 1st December 2017 07:52 16:42
Saturday, 2nd December 2017 07:53 16:42
Sunday, 3rd December 2017 07:54 16:42
Monday, 4th December 2017 07:56 16:41
Tuesday, 5th December 2017 07:57 16:41
Wednesday, 6th December 2017 07:58 16:41
Thursday, 7th December 2017 07:59 16:41
Friday, 8th December 2017 08:00 16:41
Saturday, 9th December 2017 08:01 16:41
Sunday, 10th December 2017 08:02 16:41
Monday, 11th December 2017 08:03 16:41
Tuesday, 12th December 2017 08:03 16:41
Wednesday, 13th December 2017 08:04 16:41
Thursday, 14th December 2017 08:05 16:41
Friday, 15th December 2017 08:06 16:41
Saturday, 16th December 2017 08:07 16:41
Sunday, 17th December 2017 08:07 16:42
Monday, 18th December 2017 08:08 16:42
Tuesday, 19th December 2017 08:08 16:42
Wednesday, 20th December 2017 08:09 16:43
Thursday, 21st December 2017 08:10 16:43
Friday, 22nd December 2017 08:10 16:44
Saturday, 23rd December 2017 08:10 16:45
Sunday, 24th December 2017 08:11 16:45
Monday, 25th December 2017 08:11 16:46
Tuesday, 26th December 2017 08:11 16:47
Wednesday, 27th December 2017 08:12 16:47
Thursday, 28th December 2017 08:12 16:48
Friday, 29th December 2017 08:12 16:49
Saturday, 30th December 2017 08:12 16:50
Sunday, 31st December 2017 08:12 16:51
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