December weather forecast
Park City, UT

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

Weather in December

December, the first month of the winter in Park City, is also a subzero cold month, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 12.2°F (-11°C).

Temperature

With an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 12.2°F (-11°C), December is the coldest month.

Humidity

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

Rainfall

In December, in Park City, the rain falls for 6.6 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. In Park City, Utah, during the entire year, the rain falls for 75.2 days and collects up to 6.85" (174mm) of precipitation.

Snowfall

Months with snowfall in Park City are January through June, September through December. In December, it is snowing for 12.9 days. Throughout December, 5.24" (133mm) of snow is accumulated. Throughout the year, there are 83.1 snowfall days, and 35.71" (907mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Park City, with an average of 9h and 19min of daylight.
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, in Park City, sunrise is at 7:49 am and sunset at 5:08 pm MST.

Sunshine

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

UV index

The month with the lowest UV index in Park City is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 28.6°F (-1.9°C) and an average low-temperature of 12.2°F (-11°C), December is the coldest month in Park City.

What is the average humidity in December in Park City?

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

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

In Park City, Utah, in December, during 6.6 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

How much does it snow in Park City in December?

In Park City, Utah, in December, snow falls for 12.9 days, with typically accumulated 5.24" (133mm) 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 19min of daylight.

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

The average day length in December in Park City, Utah, is 9h and 19min.

When are sunrise and sunset in December in Park City?

In December, on the first day of the month, 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 long on average sun shines in December in Park City?

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.

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

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.

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"

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

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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 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 5.3h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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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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