December weather forecast
Deseret, UT

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Weather in December

The first month of the winter, December, is also an icy month in Deseret, Utah, with an average temperature fluctuating between 37.2°F (2.9°C) and 24.1°F (-4.4°C).

Temperature

Deseret's progression into December includes a drop in the average high-temperature, from a fresh 50°F (10°C) in November to an icy 37.2°F (2.9°C). Throughout the month of December, Deseret witnesses an average low-temperature of 24.1°F (-4.4°C).

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Deseret, in December, it is raining for 6.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Deseret, during the entire year, the rain falls for 82.6 days and collects up to 7.01" (178mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 8.2 days and accumulates 3.98" (101mm) of snow.

Daylight

The month with the shortest days in Deseret is December, with an average of 9h and 30min of daylight.
On the first day of December in Deseret, sunrise is at 7:31 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:17 pm MST.

Sunshine

The average sunshine in December is 6.4h.

UV index

The months with the lowest UV index in Deseret are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, 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. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 37.2°F (2.9°C) and a low-temperature of 24.1°F (-4.4°C).

What is the average humidity in December?

In Deseret, Utah, the average relative humidity in December is 72%.

How many days does it rain in December?

In Deseret, in December, it is raining for 6.4 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 8.2 days and typically aggregates up to 3.98" (101mm) of snow.

How much does it snow in December?

In Deseret, in December, snow falls for 8.2 days, with typically accumulated 3.98" (101mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Deseret have in December?

The average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:17 pm MST.

How long on average sun shines in December?

In Deseret, the average sunshine duration in December is 6.4h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe 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
Deseret, UT

Average temperature in December - Deseret, UT
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Deseret, UT

Average pressure in December - Deseret, UT
  • Average pressure in December: 30.19"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Deseret, UT

Average wind speed in December - Deseret, UT
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

Average humidity in December
Deseret, UT

Average humidity in December - Deseret, UT
  • Average humidity in December: 72%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (24%).

Average rainfall in December
Deseret, UT

Average rainfall in December - Deseret, UT
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is March (0.91").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in December
Deseret, UT

Average rainfall days in December - Deseret, UT
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is April (10 days).
The month with the least rainy days is June (3.9 days).

Average snowfall in December
Deseret, UT

Average snowfall in December - Deseret, UT
  • Average snowfall in December: 3.98"

The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Deseret, UT

Average snowfall days in December - Deseret, UT
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is December (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Deseret, UT
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in December
Deseret, UT

Average sunshine days in December - Deseret, UT
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (16.3 days).

Average UV index in December
Deseret, UT

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Deseret, UT

Average cloud cover in December - Deseret, UT
  • Average cloud cover in December: 33

The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in December
Deseret, UT

Average visibility in December - Deseret, UT
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Deseret, Utah, USA

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