December weather forecastPlain City, UT
December
Weather in December
December, the first month of the winter in Plain City, is still a cold month, with an average temperature ranging between max 33.1°F (0.6°C) and min 21.2°F (-6°C).Temperature
December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 44.4°F (6.9°C) to an icy 33.1°F (0.6°C). An average low-temperature of 21.2°F (-6°C) is anticipated throughout the nights in Plain City during December.Humidity
The average relative humidity in December is 79%.Rainfall
In Plain City, during December, the rain falls for 9 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 113.4 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Plain City. In Plain City, in December, during 11.9 snowfall days, 8.94" (227mm) of snow is typically accumulated. Throughout the year, in Plain City, there are 55.4 snowfall days, and 45.28" (1150mm) of snow is accumulated.Daylight
December has the shortest days of the year in Plain City, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:09 pm MST.
Sunshine
In December, the average sunshine is 5.9h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plain City, UT
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Plain City, UT
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Plain City, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Plain City, UT
- Average humidity in December: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (36%).
Average rainfall in December
Plain City, UT
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Plain City, UT
- Average rainfall days in December: 9 days
The months with the highest number of rainy days are March and April (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in December
Plain City, UT
- Average snowfall in December: 8.94"
The month with the highest snowfall is January (12.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Plain City, UT
- Average snowfall days in December: 11.9 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Plain City, UT
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Plain City, UT
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Plain City, UT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Plain City, UT
- Average cloud cover in December: 39
The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Plain City, UT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (4mi).





