December weather forecast and climate
Fairview, MT

Weather in December

The first month of the winter, December, is also a subzero cold month in Fairview, Montana, with temperature in the range of an average low of 12.7°F (-10.7°C) and an average high of 24.6°F (-4.1°C).

Temperature

In December, the average high-temperature declines considerably, from a wintry 39.4°F (4.1°C) in November, to a freezing cold 24.6°F (-4.1°C). The average low-temperature, in December, is 12.7°F (-10.7°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, in Fairview, Montana, the rain falls for 3.5 days. Throughout December, 0.31" (8mm) of precipitation is accumulated. In Fairview, during the entire year, the rain falls for 85.7 days and collects up to 8.5" (216mm) of precipitation.

Snowfall

Months with snowfall in Fairview are January through May, October through December. In Fairview, in December, during 11.2 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, there are 56.1 snowfall days, and 8.94" (227mm) of snow is accumulated.

Daylight

With an average of 8.5h of daylight, December has the shortest days of the year in Fairview, Montana.

Sunshine

In December, the average sunshine in Fairview is 4.5h.

UV index

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Fairview?

In Fairview, the average relative humidity in December is 84%.

How much does it rain in Fairview in December?

In Fairview, in December, it is raining for 3.5 days, with typically 0.31" (8mm) of accumulated precipitation.

How many days does it snow in December in Fairview?

In December, in Fairview, it is snowing for 11.2 days. Throughout December, 1.65" (42mm) of snow is accumulated.

What is the month with the shortest days in Fairview?

The month with the shortest days in Fairview, Montana, is December, with an average of 8.5h of daylight.

What is the average length of the day in December in Fairview?

In Fairview, the average length of the day in December is 8.5h.

How many hours of sunshine does Fairview have in December?

The average sunshine in December in Fairview is 4.5h.

How high is the UV index in December in Fairview?

The average daily maximum UV index in December in Fairview, Montana, is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Fairview, MT

Average temperature in December - Fairview, MT
  • Average high temperature in December: 24.6°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 12.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in December
Fairview, MT

Average pressure in December - Fairview, MT
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is February (30.16").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in December
Fairview, MT

Average wind speed in December - Fairview, MT
  • Average wind speed in December: 10mph

The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

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Average humidity in December
Fairview, MT

Average humidity in December - Fairview, MT
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (45%).

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Average rainfall in December
Fairview, MT

Average rainfall in December - Fairview, MT
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in December
Fairview, MT

Average rainfall days in December - Fairview, MT
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is June (11.4 days).
Months with the least rainy days are January and February (3.2 days).

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Average snowfall in December
Fairview, MT

Average snowfall in December - Fairview, MT
  • Average snowfall in December: 1.65"

The month with the highest snowfall is February (1.77").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Fairview, MT

Average snowfall days in December - Fairview, MT
  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is February (12 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Fairview, MT

Average daylight in December / Average sunshine in December - Fairview, MT
  • Average daylight in December: 8.5h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in December: 4.5h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 4.3h).

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Average sunshine days in December
Fairview, MT

Average sunshine days in December - Fairview, MT
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is September (20.7 days).
The month with the least sunshine days is April (15.8 days).

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Average UV index in December
Fairview, MT

Average UV index in December - Fairview, MT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in December
Fairview, MT

Average cloud cover in December - Fairview, MT
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 18).

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Average visibility in December
Fairview, MT

Average visibility in December - Fairview, MT
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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