December weather forecast
Glendale, UT

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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.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The month of December sees the average lowest temperatures, reaching 32.9°F (0.5°C) at the peak and 17.2°F (-8.2°C) at the low.

How cold is December?

Glendale in December has an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 17.2°F (-8.2°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How much does it rain in Glendale in December?

In Glendale, Utah, during December, the rain falls for 3.9 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When does it snow the most?

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.

How many days does it snow in December?

In December, it is snowing for 12.5 days. Throughout December, 14.06" (357mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Glendale?

The average day length in December is 9h and 38min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:26 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:23 pm MST.

What is the month with the least sunshine?

January and December, with an average of 5.8h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.8h.

What are the months with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glendale.

What is the UV index intensity in December?

In Glendale, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Glendale, UT

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Glendale, UT
  • Average daylight in December: 9h and 4min

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 5min

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 - 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 - 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 - 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 - 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).

Glendale, Utah, USA

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