December weather forecast
Tremonton, UT

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Weather in December

December, the first month of the winter in Tremonton, is still a freezing cold month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 19°F (-7.2°C).

Temperature

In Tremonton, entering December brings a temperature decrement, reducing from November's frosty 44.1°F (6.7°C) to a freezing cold 31.1°F (-0.5°C). December's average low-temperature reading in Tremonton settles at 19°F (-7.2°C).

Humidity

In Tremonton, the average relative humidity in December is 82%.

Rainfall

In December, in Tremonton, the rain falls for 11.1 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. In Tremonton, during the entire year, the rain falls for 120 days and collects up to 15.43" (392mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Tremonton, during December, snow falls for 13.4 days and regularly aggregates up to 9.29" (236mm) of snow. In Tremonton, during the entire year, snow falls for 61.2 days and aggregates up to 42.91" (1090mm) of snow.

Daylight

December has the shortest days of the year in Tremonton, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:36 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:08 pm MST.

Sunshine

The average sunshine in December is 5.7h.

UV index

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Tremonton in December?

The average high-temperature, in December, in Tremonton, is 31.1°F (-0.5°C), while the average low-temperature is 19°F (-7.2°C).

What is the average humidity in December in Tremonton?

In Tremonton, Utah, the average relative humidity in December is 82%.

How much does it rain in Tremonton in December?

In Tremonton, Utah, during December, the rain falls for 11.1 days and regularly aggregates up to 1.61" (41mm) of precipitation.

How much does it snow in Tremonton in December?

In Tremonton, Utah, in December, snow falls for 13.4 days, with typically accumulated 9.29" (236mm) of snow.

What is the month with the shortest days in Tremonton?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

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

In December, the average day length in Tremonton, Utah, is 9h and 13min.

When is the sunrise / sunset in December in Tremonton?

In December, on the first day of the month, sunrise is at 7:36 am and sunset at 4:58 pm. On the last day of the month, in Tremonton, sunrise is at 7:55 am and sunset at 5:08 pm MST.

How many hours of sunshine does Tremonton have in December?

In Tremonton, Utah, the average sunshine duration in December is 5.7h.

How high is the UV index in December in Tremonton?

The average daily maximum UV index in December in Tremonton 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
Tremonton, UT

Average temperature in December - Tremonton, UT
  • Average high temperature in December: 31.1°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in December: 19°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in December
Tremonton, UT

Average pressure in December - Tremonton, UT
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Tremonton, UT

Average wind speed in December - Tremonton, UT
  • Average wind speed in December: 4.6mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average humidity in December
Tremonton, UT

Average humidity in December - Tremonton, UT
  • Average humidity in December: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in December
Tremonton, UT

Average rainfall in December - Tremonton, UT
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in December
Tremonton, UT

Average rainfall days in December - Tremonton, UT
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is July (5.5 days).

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Average snowfall in December
Tremonton, UT

Average snowfall in December - Tremonton, UT
  • Average snowfall in December: 9.29"

The month with the highest snowfall is January (13.03").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Tremonton, UT

Average snowfall days in December - Tremonton, UT
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Tremonton, UT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in December
Tremonton, UT

Average sunshine days in December - Tremonton, UT
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is February (10.1 days).

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Average UV index in December
Tremonton, UT

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Tremonton, UT

Average cloud cover in December - Tremonton, UT
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Tremonton, UT

Average visibility in December - Tremonton, 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).

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Tremonton, Utah, USA

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