December weather forecastTremonton, UT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tremonton, Utah, with an average temperature fluctuating between 31.1°F (-0.5°C) and 19°F (-7.2°C).Temperature
Welcoming December, Tremonton observes a shift in the average high-temperature, falling from November's frosty 44.1°F (6.7°C) to a freezing cold 31.1°F (-0.5°C). December in Tremonton sees the temperature falling to a mean low of 19°F (-7.2°C).Humidity
In Tremonton, the average relative humidity in December is 82%.Rainfall
In Tremonton, in December, during 11.1 rainfall days, 1.61" (41mm) of precipitation is typically 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. Throughout the year, there are 61.2 snowfall days, and 42.91" (1090mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:36 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:55 am and sunset at 5:08 pm MST.
Sunshine
In December, the average sunshine is 5.7h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Tremonton, UT
- Average daylight in December: 9h and 12min
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 42min
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).
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).
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).
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).
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).
