December weather forecast
Park City, MT

Weather in December

December, the first month of the winter, in Park City, is also a subzero cold month, with average temperature varying between 18.5°F (-7.5°C) and 31.3°F (-0.4°C).

Temperature

With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.5°F (-7.5°C), December is the coldest month.

Humidity

The average relative humidity in December is 74%.

Rainfall

In Park City, Montana, during December, the rain falls for 3.2 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Park City, during the entire year, the rain falls for 95.8 days and collects up to 8.74" (222mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In December, in Park City, it is snowing for 8.5 days. Throughout December, 2.36" (60mm) of snow is accumulated. Throughout the year, in Park City, there are 44.1 snowfall days, and 15.75" (400mm) of snow is accumulated.

Daylight

With an average of 8.8h of daylight, December has the shortest days of the year in Park City.

Sunshine

In Park City, the average sunshine is 5.8h.

UV index

Months with the lowest UV index in Park City are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Park City?

With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 18.5°F (-7.5°C), December is the coldest month in Park City, Montana.

What is the average humidity in December in Park City?

In December, the average relative humidity is 74%.

How much does it rain in Park City in December?

In December, in Park City, the rain falls for 3.2 days. Throughout December, 0.31" (8mm) of precipitation is accumulated.

How much does it snow in Park City in December?

In Park City, Montana, during December, snow falls for 8.5 days and regularly aggregates up to 2.36" (60mm) of snow.

What is the month with the shortest days in Park City?

The month with the shortest days in Park City, Montana, is December, with an average of 8.8h of daylight.

What is the average length of the day in December in Park City?

The average length of the day in December is 8.8h.

How many hours of sunshine does Park City have in December?

The average sunshine in December in Park City is 5.8h.

What are the months with the lowest UV index in Park City?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Park City.

What is the UV index reading in December in Park City?

In December, the average daily maximum UV index in Park City is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Park City, MT

Average temperature in December - Park City, MT
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

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Average pressure in December
Park City, MT

Average pressure in December - Park City, MT
  • Average pressure in December: 30.14"

Months with the highest atmospheric pressure are January and December (30.14").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in December
Park City, MT

Average wind speed in December - Park City, MT
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in December
Park City, MT

Average humidity in December - Park City, MT
  • Average humidity in December: 74%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Park City, MT

Average rainfall in December - Park City, MT
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is January (0.28").

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Average rainfall days in December
Park City, MT

Average rainfall days in December - Park City, MT
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in December
Park City, MT

Average snowfall in December - Park City, MT
  • Average snowfall in December: 2.36"

The month with the highest snowfall is February (2.68").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Park City, MT

Average snowfall days in December - Park City, MT
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is February (8.9 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Park City, MT

Average daylight in December / Average sunshine in December - Park City, MT
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 5.8h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.6h).

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Average sunshine days in December
Park City, MT

Average sunshine days in December - Park City, MT
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (13.1 days).

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Average UV index in December
Park City, MT

Average UV index in December - Park City, MT
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Park City, MT

Average cloud cover in December - Park City, MT
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 43).
Months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in December
Park City, MT

Average visibility in December - Park City, 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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