December weather forecastRush Valley, UT
December
Weather in December
The first month of the winter, December, is also a wintry month in Rush Valley, Utah, with an average temperature ranging between max 32.9°F (0.5°C) and min 19.8°F (-6.8°C).Temperature
Stepping into December, Rush Valley observes a temperature decline, with the average high falling from November's frosty 45.5°F (7.5°C) to an icy 32.9°F (0.5°C). In Rush Valley, in December, the average low-temperature is a freezing cold 19.8°F (-6.8°C).Humidity
In Rush Valley, Utah, the average relative humidity in December is 79%.Rainfall
In Rush Valley, during December, the rain falls for 8.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 120.7 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The months with the most snowfall in Rush Valley are January and December, with an average 12.99" (330mm) of accumulated snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:34 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:13 pm MST.
Sunshine
In December, the average sunshine is 5.6h.UV index
December is the month with the lowest UV index in Rush Valley, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rush Valley, UT
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Rush Valley, UT
- Average pressure in December: 30.21"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
Rush Valley, UT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in December
Rush Valley, 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 (33%).
Average rainfall in December
Rush Valley, UT
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is April (2.09").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in December
Rush Valley, UT
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Rush Valley, UT
- Average snowfall in December: 12.99"
The months with the highest snowfall are January and December (12.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Rush Valley, UT
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Rush 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 36min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Rush Valley, UT
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Rush Valley, 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
Rush Valley, UT
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Rush 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).
