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.

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Key weather averages for Montana in December

• 0
  0°C max day temperature
• 3
  3 hours of sunshine per day
• 9
  9 days with some rainfall
• -12
  -12°C min night temperature
• 9
  9 hours of daylight per day
• 0
  No heat & humidity
• 16
  16 mm of monthly rainfall
• 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.

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Montana weather by month

Check Montana weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

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More Montana destinations

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