December weather forecast
Pleasant Grove, UT

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Weather in December

December in Pleasant Grove is characterized by the onset of winter. With average snowfall increasing to 11.02" (280mm), December transforms Pleasant Grove into a winter wonderland. Bundling up against the cold becomes an essential part of daily life. The dazzle of holiday lights against a canvas of snow creates a festive spirit that resonates around the city. As the year concludes, Pleasant Grove welcomes the incoming year with the silent whisper of falling snowflakes.

Temperature

The months of January and December bring the lowest temperatures in Pleasant Grove, averaging a high of 31.5°F (-0.3°C).

Humidity

In Pleasant Grove, the average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 12.1 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. In Pleasant Grove, during the entire year, the rain falls for 134.2 days and collects up to 18.54" (471mm) of precipitation.

Snowfall

Months with snowfall in Pleasant Grove, Utah, are January through May, October through December. In December, in Pleasant Grove, it is snowing for 13.9 days. Throughout December, 11.02" (280mm) of snow is accumulated. Throughout the year, in Pleasant Grove, there are 63.8 snowfall days, and 50.35" (1279mm) of snow is accumulated.

Daylight

The month with the shortest days in Pleasant Grove is December, with an average of 9h and 18min of daylight.
On the first day of December in Pleasant Grove, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:10 pm MST.

Sunshine

In Pleasant Grove, the average sunshine in December is 5.7h.

UV index

The months with the lowest UV index in Pleasant Grove, Utah, are January through April, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Pleasant Grove?

The coldest period in Pleasant Grove falls in January and December, when the average high-temperature reaches 31.5°F (-0.3°C).

How cold is December in Pleasant Grove?

In December, the average high-temperature and low-temperature in Pleasant Grove are 31.5°F (-0.3°C) and 16.2°F (-8.8°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is evaluated at 80.6°F (27°C).

What is the average humidity in December in Pleasant Grove?

The average relative humidity in December in Pleasant Grove is 81%.

How much does it rain in Pleasant Grove in December?

In December, in Pleasant Grove, the rain falls for 12.1 days. Throughout December, 2.13" (54mm) of precipitation is accumulated.

How many days does it snow in December in Pleasant Grove?

In December, in Pleasant Grove, Utah, it is snowing for 13.9 days. Throughout December, 11.02" (280mm) of snow is accumulated.

What is the month with the shortest days in Pleasant Grove?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Pleasant Grove?

The average day length in December is 9h and 21min.

When is the sunrise / sunset in December in Pleasant Grove?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of the month, in Pleasant Grove, sunrise is at 7:49 am and sunset at 5:10 pm MST.

How long on average sun shines in December in Pleasant Grove?

In December, the average sunshine duration in Pleasant Grove is 5.7h.

What are the months with the lowest UV index in Pleasant Grove?

The months with the lowest UV index in Pleasant Grove are January through April, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Pleasant Grove?

In Pleasant Grove, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Pleasant Grove, UT

Average temperature in December - Pleasant Grove, UT
  • Average high temperature in December: 31.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The months with the lowest average high temperature are January and December (31.5°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in December
Pleasant Grove, UT

Average pressure in December - Pleasant Grove, 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 (29.86"Hg).

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Average wind speed in December
Pleasant Grove, UT

Average wind speed in December - Pleasant Grove, UT
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).

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Average humidity in December
Pleasant Grove, UT

Average humidity in December - Pleasant Grove, UT
  • Average humidity in December: 81%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in December
Pleasant Grove, UT

Average rainfall in December - Pleasant Grove, UT
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is February (2.2").
The driest month (with the least rainfall) is June (0.79").

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Average rainfall days in December
Pleasant Grove, UT

Average rainfall days in December - Pleasant Grove, UT
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is June (7.2 days).

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Average snowfall in December
Pleasant Grove, UT

Average snowfall in December - Pleasant Grove, UT
  • Average snowfall in December: 11.02"

The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Pleasant Grove, UT

Average snowfall days in December - Pleasant Grove, UT
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Pleasant Grove, UT

Average daylight in December / Average sunshine in December - Pleasant Grove, UT
  • Average daylight in December: 9h and 2min

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 4min

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 24min).

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Average sunshine days in December
Pleasant Grove, UT

Average sunshine days in December - Pleasant Grove, UT
  • Average sunshine days in December: 12.7 days

The month with the most sunshine days is June (19.6 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in December
Pleasant Grove, UT

Average UV index in December - Pleasant Grove, UT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in December
Pleasant Grove, UT

Average cloud cover in December - Pleasant Grove, UT
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Pleasant Grove, UT

Average visibility in December - Pleasant Grove, 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).

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Pleasant Grove, Utah, USA

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