December weather forecast
Salem, UT

Share

Weather in December

The first month of the winter, December, is also a wintry month in Salem, Utah, with an average temperature varying between 16.2°F (-8.8°C) and 32.4°F (0.2°C).

Temperature

Salem witnesses the coldest weather in December, with temperatures averaging a high of 32.4°F (0.2°C) and a low of 16.2°F (-8.8°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

The months with the most rainfall in Salem are January and December, with an average 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Salem, in December, snow falls for 12.2 days, with typically accumulated 6.77" (172mm) of snow. In Salem, during the entire year, snow falls for 54.1 days and aggregates up to 33.5" (851mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:11 pm MST.

Sunshine

The average sunshine in December in Salem is 5.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
[Resources]

Frequently asked questions

What is the coldest time of year in Salem?

Salem notes the coldest temperatures in December, with a average high of 32.4°F (0.2°C) and a low of 16.2°F (-8.8°C).

How cold is December in Salem?

The high-temperature, in December, in Salem, records 32.4°F (0.2°C), while the low-temperature is 16.2°F (-8.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is appraised at 82.4°F (28°C).

What is the average humidity in December in Salem?

The average relative humidity in December in Salem, Utah, is 80%.

What is the rainiest month in Salem?

The wettest months in Salem are January and December, with an average 1.46" (37mm) of rainfall.

How many days does it rain in December in Salem?

In Salem, during December, the rain falls for 10.1 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How much does it snow in Salem in December?

In Salem, Utah, in December, during 12.2 snowfall days, 6.77" (172mm) of snow is typically accumulated.

What is the month with the shortest days in Salem?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Salem?

In Salem, Utah, the average day length in December is 9h and 23min.

When are sunrise and sunset in December in Salem?

On the first day of December in Salem, Utah, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:11 pm MST.

How many hours of sunshine does Salem have in December?

The average sunshine duration in December in Salem, Utah, is 5.9h.

What are the months with the lowest UV index in Salem?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Salem.

What is the UV index reading in December in Salem?

In December, the average daily maximum UV index in Salem is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Salem, UT

Average temperature in December - Salem, UT
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

[Resources]

Average pressure in December
Salem, UT

Average pressure in December - Salem, UT
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

[Resources]

Average wind speed in December
Salem, UT

Average wind speed in December - Salem, UT
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).

[Resources]

Average humidity in December
Salem, UT

Average humidity in December - Salem, UT
  • Average humidity in December: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (39%).

[Resources]

Average rainfall in December
Salem, UT

Average rainfall in December - Salem, UT
  • Average rainfall in December: 1.46"

The wettest months (with the highest rainfall) are January and December (1.46").
The driest month (with the least rainfall) is August (0.51").

[Resources]

Average rainfall days in December
Salem, UT

Average rainfall days in December - Salem, UT
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is June (6 days).

[Resources]

Average snowfall in December
Salem, UT

Average snowfall in December - Salem, UT
  • Average snowfall in December: 6.77"

The month with the highest snowfall is January (8.66").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Salem, UT

Average snowfall days in December - Salem, UT
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Salem, UT

Average daylight in December / Average sunshine in December - Salem, 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 24min).

  • Average sunshine in December: 5h and 5min

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 36min).

[Resources]

Average sunshine days in December
Salem, UT

Average sunshine days in December - Salem, UT
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is February (10.9 days).

[Resources]

Average UV index in December
Salem, UT

Average UV index in December - Salem, UT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in December
Salem, UT

Average cloud cover in December - Salem, UT
  • Average cloud cover in December: 38

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

[Resources]

Average visibility in December
Salem, UT

Average visibility in December - Salem, UT
  • Average visibility in December: 5mi

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

[Resources]

Salem, Utah, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location