December weather forecastWest Jordan, UT
December
Weather in December
The first month of the winter, December, is still a cold month in West Jordan, Utah, with an average temperature varying between 33.3°F (0.7°C) and 19.8°F (-6.8°C).Temperature
Welcoming December, West Jordan observes a shift in the average high-temperature, falling from November's chilly 45.7°F (7.6°C) to a wintry 33.3°F (0.7°C). In West Jordan, in December, the average low-temperature is a freezing cold 19.8°F (-6.8°C).Humidity
The average relative humidity in December is 79%.Rainfall
December is the month with the most rainfall. Rain falls for 11.6 days and accumulates 2.01" (51mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In West Jordan, during December, snow falls for 12.3 days and regularly aggregates up to 9.41" (239mm) of snow. Throughout the year, there are 53.6 snowfall days, and 41.89" (1064mm) 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 5:10 pm MST.
Sunshine
In West Jordan, the average sunshine in December 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Jordan, UT
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
West 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
West Jordan, UT
- Average wind speed in December: 5.6mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in December
West Jordan, UT
- Average humidity in December: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (36%).
Average rainfall in December
West Jordan, UT
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is June (0.67").
Average rainfall days in December
West Jordan, UT
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is April (14.1 days).
The month with the least rainy days is June (7.5 days).
Average snowfall in December
West Jordan, UT
- Average snowfall in December: 9.41"
The month with the highest snowfall is January (10.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Jordan, UT
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Jordan, 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 30min).
Average sunshine days in December
West Jordan, UT
- Average sunshine days in December: 14.5 days
The months with the most sunshine days are June and October (19.5 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
West 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
West Jordan, UT
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
West 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).
