December weather forecast
Park City, UT

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A beautiful sunny winter morning in Park City, Utah
A beautiful sunny winter morning in Park City, Utah

Weather in December

December, the final chapter of the year, launches into full-blown winter mode. Within a gap from 12.2°F to 28.6°F, the city endures some of its coldest days. The civic takes on a festive vibe as snow continues to adorn the cityscape beautifully. A white December in Park City is almost a guaranteed sight.

Temperature

In Park City, the month of December registers the lowest temperatures, averaging 28.6°F at the peak and 12.2°F at the lowest.

Humidity

In Park City, the average relative humidity in December is 85%.

Rainfall

In Park City, during December, the rain falls for 6.6 days and regularly aggregates up to 0.63" of precipitation. Throughout the year, there are 75.2 rainfall days, and 6.85" of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Park City, Utah, in December, during 12.9 snowfall days, 5.24" of snow is typically accumulated. Throughout the year, there are 83.1 snowfall days, and 35.71" of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Park City.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:08 pm MST.

Sunshine

In Park City, the average sunshine in December is 5.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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FAQ

What time of the year is the coldest in Park City?

December is the coldest month in Park City, Utah, exhibiting average temperatures of 28.6°F at the peak and 12.2°F at the base.

How cold is it in Park City in December?

Park City in December has an average high-temperature of 28.6°F and an average low-temperature of 12.2°F. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 80.6°F.

What is the average humidity in December in Park City?

The average relative humidity in December in Park City, Utah, is 85%.

How many days does it rain in December in Park City?

In Park City, in December, during 6.6 rainfall days, 0.63" of precipitation is typically accumulated.

How many days does it snow in December in Park City?

In Park City, Utah, during December, snow falls for 12.9 days and regularly aggregates up to 5.24" of snow.

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

The month with the shortest days in Park City is December, with an average of 9h and 18min of daylight.

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

The average day length in December is 9h and 19min.

When is the sunrise / sunset in December in Park City?

On the first day of December in Park City, Utah, sunrise is at 7:30 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:08 pm MST.

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

In Park City, the average sunshine duration in December is 5.3h.

What is the month with the lowest UV index in Park City?

With an average maximum UV index of 1, December is the month with the lowest UV index in Park City.

How high is the UV index in December in Park City?

In Park City, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Park City, UT

Average temperature in December - Park City, UT
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 12.2°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in December
Park City, UT

Average pressure in December - Park City, UT
  • Average pressure in December: 30.22"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Park City, UT

Average wind speed in December - Park City, UT
  • Average wind speed in December: 4.9mph

The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

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Average humidity in December
Park City, UT

Average humidity in December - Park City, UT
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (43%).

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Average rainfall in December
Park City, UT

Average rainfall in December - Park City, UT
  • Average rainfall in December: 0.63"

The wettest months (with the highest rainfall) are February and May (0.83").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in December
Park City, UT

Average rainfall days in December - Park City, UT
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (9.8 days).
The month with the least rainy days is November (4.4 days).

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Average snowfall in December
Park City, UT

Average snowfall in December - Park City, UT
  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Park City, UT

Average snowfall days in December - Park City, UT
  • Average snowfall days in December: 12.9 days

The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Park City, UT
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Park City, UT

Average sunshine days in December - Park City, UT
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is June (22.5 days).
The month with the least sunshine days is February (12.6 days).

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Average UV index in December
Park City, UT

Average UV index in December - Park City, UT
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Park City, UT

Average cloud cover in December - Park City, UT
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in December
Park City, UT

Average visibility in December - Park City, UT
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Park City, Utah, USA

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