Park City
Utah, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Park City, UT

A beautiful sunny winter morning in Park City, Utah, with light snow cover on the mountains in the background
A beautiful sunny winter morning in Park City, Utah, with light snow cover on the mountains in the background
The first month of the winter, December, is still a freezing cold month in Park City, Utah, with average temperature fluctuating between 28.6°F (-1.9°C) and 32°F (0°C).

Temperature

December is the coldest month, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 32°F (0°C).

Humidity

The average relative humidity in Park City is 85%.

Rainfall

In December, in Park City, Utah, the rain falls for 6.6 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Park City, there are 75.2 rainfall days, and 6.85" (174mm) of precipitation is accumulated.

Snowfall

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

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

Sunshine

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

UV index

December is the month with the lowest UV index in Park City, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the coldest month in Park City?

December 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 32°F (0°C).

What is the temperature in December in Park City?

In Park City, in December, the average high-temperature is 28.6°F (-1.9°C), and the average low-temperature is 32°F (0°C).

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 December, in Park City, Utah, it is snowing for 12.9 days. Throughout December, 5.24" (133mm) of snow is accumulated.

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

With an average of 9.3h of daylight, December has the shortest days of the year in Park City.

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

The average length of the day in December in Park City is 9.3h.

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

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

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

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

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

In December, the average daily maximum UV index in Park City, Utah, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.
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: 0°F

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°F).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°F).

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

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

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

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

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 lowest number of rainy days is November (4.4 days).

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

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

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).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight in December / Average sunshine in December - Park City, UT
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.3h

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

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

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).