Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Sterling's coldest season falls during January and December, averaging a high-temperature of 31.5°F (-0.3°C).Humidity
The average relative humidity in December in Sterling is 78%.Rainfall
In Sterling, in December, it is raining for 8.5 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 115.2 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 14.1 days. Throughout December, 9.88" (251mm) of snow is accumulated. In Sterling, during the entire year, snow falls for 66.3 days and aggregates up to 48.94" (1243mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:14 pm MST.
Sunshine
In Sterling, the average sunshine in December is 5.8h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sterling have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sterling, UT
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The months with the lowest average high temperature are January and December (31.5°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Sterling, UT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Sterling, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Sterling, UT
- Average humidity in December: 78%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (35%).
Average rainfall in December
Sterling, UT
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is March (1.73").
The driest month (with the least rainfall) is June (0.59").
Average rainfall days in December
Sterling, UT
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is June (6.3 days).
Average snowfall in December
Sterling, UT
- Average snowfall in December: 9.88"
The month with the highest snowfall is January (9.92").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Sterling, UT
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sterling, 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: 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).
Average sunshine days in December
Sterling, UT
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in December
Sterling, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Sterling, UT
- Average cloud cover in December: 39
The months with the most cloud cover are January and February (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 11).
Average visibility in December
Sterling, 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).
Sterling, Utah, USA
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