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
December brings a decrease in the average high-temperature, falling from November's chilly 45.3°F (7.4°C) to an icy 33.1°F (0.6°C). South Jordan experiences an average low-temperature of 19°F (-7.2°C) in the month of December.Humidity
In December, the average relative humidity is 80%.Rainfall
The months with the most rainfall are February, March and December, with an average 2.05" (52mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In South Jordan, during December, snow falls for 12.2 days and regularly aggregates up to 9.49" (241mm) of snow. Throughout the year, there are 54.7 snowfall days, and 43.35" (1101mm) 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 the month, sunrise is at 7:32 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:11 pm MST.
Sunshine
The average sunshine in December in South Jordan is 5.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the wettest month?
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 South Jordan have in December?
When is the sunrise / sunset in December in South Jordan?
How many hours of sunshine does South Jordan have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
South Jordan, UT
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
South Jordan, 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
South Jordan, UT
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in December
South Jordan, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
South Jordan, UT
- Average rainfall in December: 2.05"
The wettest months (with the highest rainfall) are February, March and December (2.05").
The driest month (with the least rainfall) is June (0.63").
Average rainfall days in December
South Jordan, UT
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is April (13.7 days).
The month with the least rainy days is June (7 days).
Average snowfall in December
South Jordan, UT
- Average snowfall in December: 9.49"
The month with the highest snowfall is January (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Jordan, UT
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Jordan, UT
- Average daylight in December: 9h and 2min
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 4min
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
South Jordan, UT
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is June (20.3 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in December
South Jordan, 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
South Jordan, UT
- Average cloud cover in December: 40
The months with the most cloud cover are January and February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
South Jordan, 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).
South Jordan, Utah, USA
Weather forecast for your location
2. Allow the app to use your location