December weather forecastTerra, UT
December
Weather in December
The first month of the winter, December, is also an icy month in Terra, Utah, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 19.8°F (-6.8°C).Temperature
Terra, Utah, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 45.5°F (7.5°C) to a wintry 32.9°F (0.5°C). Terra, during the month of December, experiences an average low-temperature of 19.8°F (-6.8°C).Humidity
In Terra, the average relative humidity in December is 79%.Rainfall
In Terra, during December, the rain falls for 8.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Terra, during the entire year, the rain falls for 120.7 days and collects up to 18.39" (467mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The months with the most snowfall in Terra are January and December, with an average 12.99" (330mm) of accumulated snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:34 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:14 pm MST.
Sunshine
The average sunshine in December is 5.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Terra, UT
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Terra, 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 (29.87"Hg).
Average wind speed in December
Terra, UT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in December
Terra, UT
- Average humidity in December: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (33%).
Average rainfall in December
Terra, UT
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is April (2.09").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in December
Terra, UT
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Terra, UT
- Average snowfall in December: 12.99"
The months with the highest snowfall are January and December (12.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Terra, UT
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Terra, UT
- Average daylight in December: 9h and 24min
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 36min
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 12min).
Average sunshine days in December
Terra, UT
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Terra, UT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Terra, UT
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Terra, 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).
