December weather forecastPleasant Grove, UT
December
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
During January and December, Pleasant Grove registers its lowest temperatures, averaging a high of 31.5°F (-0.3°C).Humidity
In Pleasant Grove, the average relative humidity in December is 81%.Rainfall
In Pleasant Grove, during December, the rain falls for 12.1 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Pleasant Grove, during the entire year, the rain falls for 134.2 days and collects up to 18.54" (471mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Pleasant Grove, in December, snow falls for 13.9 days, with typically accumulated 11.02" (280mm) of snow. In Pleasant Grove, during the entire year, snow falls for 63.8 days and aggregates up to 50.35" (1279mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, 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 December, the average sunshine is 5.7h.UV index
The months with the lowest UV index are January through April, 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: In December, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Pleasant Grove, 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 42min
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).
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).
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).
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).
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).





