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 cold month in Park City, Utah, with average temperature fluctuating between 14.5°F (-9.7°C) and 34.3°F (1.3°C).

Temperature

The average high-temperature, is 34.3°F (1.3°C), while the average low-temperature is 14.5°F (-9.7°C).

Rainfall

In Park City, during 8 rainfall days, 2.3" (57.9mm) of precipitation is typically accumulated. In Park City, during the entire year, the rain falls for 81 days and collects up to 21.2" (537.6mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December.

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 4h of sunshine.

UV index

Months with the lowest UV index in Park City are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
The average daily UV index of 2 transform into the following instructions:
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 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Park City?

In Park City, in December, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 14.5°F (-9.7°C).

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

In Park City, in December, during 8 rainfall days, 2.3" (57.9mm) of precipitation is typically accumulated.

How much does it snow in Park City in December?

During December, Park City regularly aggregates up to 22.8" (579.1mm) of snow.

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

The month with the shortest days in Park City, Utah, is December, with an average of 9.3h of daylight.

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.

What is the month with the least sunshine in Park City?

December has the least sunshine of the year in Park City, with an average of 4h of sunshine.

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

In December, the average sunshine in Park City, Utah, is 4h.

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

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

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

The average daily maximum UV index in December in Park City, Utah, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - Park City, UT
  • Average high temperature in December: 34.4°F

The warmest month (with the highest average high temperature) is July (82.1°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 14.5°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average rainfall in December - Park City, UT
  • Average rainfall in December: 2.3"

The wettest month (with the highest rainfall) is January (2.7").
The driest month (with the lowest rainfall) is June (1.1").

Average rainfall days in December - Park City, UT
  • Average rainfall days in December: 8 days

Months with the highest number of rainy days are January, February and March (9 days).
The month with the lowest number of rainy days is July (4 days).

Average snowfall in December - Park City, UT
  • Average snowfall in December: 22.8"

Months with the highest snowfall are January and February (25.8").
Months with the lowest snowfall are July and August (0").

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: 4h

Months with most sunshine are June and July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 4h).

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

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 2).

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