December weather forecastMapleton, UT
December
Weather in December
December, the first month of the winter in Mapleton, is still a cold month, with an average temperature varying between 32.4°F (0.2°C) and 16.2°F (-8.8°C).Temperature
December, known for its average high temperature of 32.4°F (0.2°C) and an average low temperature of 16.2°F (-8.8°C), is the coldest month.Humidity
In December, the average relative humidity is 80%.Rainfall
The months with the most rainfall are January and December, with an average 1.46" (37mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mapleton, during December, snow falls for 12.2 days and regularly aggregates up to 6.77" (172mm) of snow. Throughout the year, there are 54.1 snowfall days, and 33.5" (851mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:10 pm MST.
Sunshine
The average sunshine in December is 5.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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: In December, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mapleton, UT
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Mapleton, 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
Mapleton, UT
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in December
Mapleton, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (39%).
Average rainfall in December
Mapleton, UT
- Average rainfall in December: 1.46"
The wettest months (with the highest rainfall) are January and December (1.46").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Mapleton, UT
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is June (6 days).
Average snowfall in December
Mapleton, UT
- Average snowfall in December: 6.77"
The month with the highest snowfall is January (8.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mapleton, UT
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mapleton, UT
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 54min
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 36min).
Average sunshine days in December
Mapleton, UT
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Mapleton, 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, November and December (UV index 2).
Average cloud cover in December
Mapleton, UT
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Mapleton, 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).
