December weather forecastLittle Cottonwood Creek Valley, UT
December
Weather in December
December, the first month of the winter in Little Cottonwood Creek Valley, is also an icy month, with an average temperature ranging between max 32.4°F (0.2°C) and min 18°F (-7.8°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's chilly 44.4°F (6.9°C) to a wintry 32.4°F (0.2°C). During December, the average low-temperature is a subzero cold 18°F (-7.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Little Cottonwood Creek Valley, in December, during 10.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 118.7 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Little Cottonwood Creek Valley, in December, snow falls for 13.4 days, with typically accumulated 10.55" (268mm) of snow. Throughout the year, there are 62.8 snowfall days, and 51.65" (1312mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:32 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:10 pm MST.
Sunshine
In Little Cottonwood Creek Valley, the average sunshine in December is 5.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Little Cottonwood Creek Valley, UT
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Little Cottonwood Creek Valley, 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
Little Cottonwood Creek Valley, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
Little Cottonwood Creek Valley, UT
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).
Average rainfall in December
Little Cottonwood Creek Valley, UT
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is February (1.97").
The driest month (with the least rainfall) is June (0.67").
Average rainfall days in December
Little Cottonwood Creek Valley, UT
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is June (7.3 days).
Average snowfall in December
Little Cottonwood Creek Valley, UT
- Average snowfall in December: 10.55"
The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Little Cottonwood Creek Valley, UT
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Little Cottonwood Creek Valley, 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 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Little Cottonwood Creek Valley, UT
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is June (20.1 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in December
Little Cottonwood Creek Valley, UT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Little Cottonwood Creek Valley, UT
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Little Cottonwood Creek Valley, 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).
