December weather forecast and climate
Salt Lake City, UT

A stunning autumn panorama of the Salt Lake City landscape in Utah, USA, on a sunny day
A stunning autumn panorama of the Salt Lake City landscape in Utah, USA, on a sunny day

What is the temperature in December in Salt Lake City?

In December, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 22.6°F (-5.2°C).

How many days does it rain in December in Salt Lake City?

In Salt Lake City, in December, during 9.9 rainfall days, typically, 1.4" (35.8mm) of precipitation is accumulated.

How much does it snow in Salt Lake City in December?

In Salt Lake City, in December, during 8.2 snowfall days, typically, 13.2" (335.3mm) of snow is accumulated.

When does it snow the most in Salt Lake City?

December is the month with the most snowfall. Snow falls for 8.2 days and accumulates 13.2" (335.3mm) of snow.
Average temperature in December - Salt Lake City, UT
  • Average high temperature in December: 3.3°C

The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in December: -5.2°C

The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average humidity in December - Salt Lake City, UT
  • Average humidity in December: 74.3%

The month with the highest relative humidity is December (74.3%).
The month with the lowest relative humidity is July (35.9%).

Average rainfall in December - Salt Lake City, UT
  • Average rainfall in December: 35.8mm

The wettest month (with the highest rainfall) is April (50.5mm).
The driest month (with the lowest rainfall) is July (15.5mm).

Average rainfall days in December - Salt Lake City, UT
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is January (10.1 days).
The month with the lowest number of rainy days is July (4.4 days).

Average snowfall in December - Salt Lake City, UT
  • Average snowfall in December: 335.3mm

The month with the highest snowfall is December (335.3mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in December - Salt Lake City, UT
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (8.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Salt Lake 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: 3.6h

The month with most sunshine is July (Average sunshine: 12.3h).
The month with least sunshine is December (Average sunshine: 3.6h).

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

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January, November and December (UV index 2).

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