December weather forecastCedar City, UT
December
Weather in December
December sees the highest relative humidity in Cedar City at 73%, contributing to the city's frosty winter landscape. Its arrival presents a rapid descent into winter days, where temperatures frequently dip below freezing. The city wears a blanket of snow, creating a picture-perfect holiday setting. Snowfall makes a comeback, opening up numerous winter activities for everyone to enjoy. As the New Year approaches, Cedar City stays wrapped in wintry beauty, a tryst maintained till the advent of warmer months with the arrival of the new year.Temperature
Cedar City's December weather, marked by an average high temperature of 36.5°F (2.5°C) and an average low temperature of 20.8°F (-6.2°C), is the coldest in the year.Humidity
In Cedar City, Utah, the average relative humidity in December is 73%.Rainfall
In Cedar City, Utah, during December, the rain falls for 5.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Cedar City, Utah, during the entire year, the rain falls for 84.2 days and collects up to 9.21" (234mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Cedar City is December, when snow falls for 8.1 days and typically aggregates up to 4.25" (108mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Cedar City, sunrise is at 7:29 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:23 pm MST.
Sunshine
In Cedar City, the average sunshine in December is 6.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Cedar City. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly 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
Cedar City, UT
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in December
Cedar City, UT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Cedar City, UT
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in December
Cedar City, UT
- Average humidity in December: 73%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).
Average rainfall in December
Cedar City, UT
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in December
Cedar City, UT
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in December
Cedar City, UT
- Average snowfall in December: 4.25"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cedar City, UT
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cedar City, UT
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in December
Cedar City, UT
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Cedar City, UT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cedar City, UT
- Average cloud cover in December: 31
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in December
Cedar City, UT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





