December weather forecastGlendale, UT
December
Weather in December
The first month of the winter, December, is still a cold month in Glendale, Utah, with an average temperature varying between 32.9°F (0.5°C) and 17.2°F (-8.2°C).Temperature
The coldest time of the year is December, with temperatures averaging a high of 32.9°F (0.5°C) and a low of 17.2°F (-8.2°C).Humidity
The average relative humidity in December in Glendale is 75%.Rainfall
In Glendale, in December, during 3.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 84.8 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 12.5 days and typically aggregates up to 14.06" (357mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:23 pm MST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glendale, UT
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in December: 17.2°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is December (17.2°F).
Average pressure in December
Glendale, UT
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Glendale, UT
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Glendale, UT
- Average humidity in December: 75%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
Glendale, UT
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in December
Glendale, UT
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Glendale, UT
- Average snowfall in December: 14.06"
The month with the highest snowfall is December (14.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Glendale, UT
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Glendale, 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: 5h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Glendale, UT
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is June (23.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Glendale, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Glendale, UT
- Average cloud cover in December: 38
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in December
Glendale, 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 months with the lowest visibility are January, February and December (5mi).
