December weather forecastStansbury Park, UT
December
Weather in December
December, the first month of the winter in Stansbury Park, is also a wintry month, with an average temperature fluctuating between 22.1°F (-5.5°C) and 33.8°F (1°C).Temperature
December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 45.9°F (7.7°C) to an icy 33.8°F (1°C). Throughout December, the average low-temperature records at a freezing cold 22.1°F (-5.5°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, in Stansbury Park, the rain falls for 10.6 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 137.7 rainfall days, and 20.98" (533mm) of precipitation is accumulated.Snowfall
Months with snowfall in Stansbury Park are January through May, October through December. The month with the most snowfall is December, when snow falls for 12.5 days and typically aggregates up to 9.69" (246mm) of snow.Daylight
The month with the shortest days in Stansbury Park is December, with an average of 9h and 18min of daylight.On the first day of December in Stansbury Park, Utah, sunrise is at 7:34 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:12 pm MST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The month with the lowest UV index in Stansbury Park is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stansbury Park, UT
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Stansbury Park, UT
- Average pressure in December: 30.22"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
Stansbury Park, UT
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in December
Stansbury Park, UT
- Average humidity in December: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall in December
Stansbury Park, UT
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in December
Stansbury Park, UT
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Stansbury Park, UT
- Average snowfall in December: 9.69"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stansbury Park, UT
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stansbury Park, UT
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Stansbury Park, UT
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Stansbury Park, 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
Stansbury Park, UT
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Stansbury Park, UT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





