December weather forecastNavajo Mountain, UT
December
Weather in December
The first month of the winter, December, is still a chilly month in Navajo Mountain, Utah, with an average temperature varying between 42.8°F (6°C) and 27.7°F (-2.4°C).Temperature
The onset of December brings a small change in high-temperatures, falling from a mild 55.6°F (13.1°C) in November to a frosty 42.8°F (6°C). In Navajo Mountain, the nighttime temperature averages to a subzero cold 27.7°F (-2.4°C) during December.Humidity
In December, the average relative humidity in Navajo Mountain is 59%.Rainfall
In Navajo Mountain, in December, it is raining for 3.8 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 54.2 rainfall days, and 4.17" (106mm) of precipitation is accumulated.Snowfall
Months with snowfall in Navajo Mountain are January, February, October through December. December is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.14" (29mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Navajo Mountain, sunrise is at 7:18 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:16 pm MST.
Sunshine
The months with the least sunshine in Navajo Mountain are January and December, with an average of 7.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Navajo Mountain, UT
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Navajo Mountain, UT
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Navajo Mountain, UT
- Average wind speed in December: 4.3mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in December
Navajo Mountain, UT
- Average humidity in December: 59%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (18%).
Average rainfall in December
Navajo Mountain, UT
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is July (0.55").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Navajo Mountain, UT
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is July (8.5 days).
The month with the least rainy days is June (2.4 days).
Average snowfall in December
Navajo Mountain, UT
- Average snowfall in December: 1.14"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are March, April, May, June, July, August and September (0").
Average snowfall days in December
Navajo Mountain, UT
- Average snowfall days in December: 1.6 days
The months with the highest number of snowfall days are February and December (1.6 days).
The months with the least snowfall days are March, April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Navajo Mountain, UT
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 7h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in December
Navajo Mountain, UT
- Average sunshine days in December: 25.9 days
The month with the most sunshine days is November (27 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in December
Navajo Mountain, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Navajo Mountain, UT
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in December
Navajo Mountain, 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).
