December weather forecastMagna, UT
December
Weather in December
December, the first month of the winter in Magna, is also an icy month, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 34.2°F (1.2°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 46.2°F (7.9°C) to a cold 34.2°F (1.2°C). In December, Magna encounters an average low-temperature of 21.9°F (-5.6°C) during the night.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall in Magna. Rain falls for 9 days and accumulates 1.61" (41mm) of precipitation.Snowfall
Months with snowfall in Magna are January through April, October through December. In Magna, Utah, during December, snow falls for 10 days and regularly aggregates up to 7.28" (185mm) of snow. Throughout the year, in Magna, Utah, there are 44.4 snowfall days, and 31.42" (798mm) of snow is accumulated.Daylight
December has the shortest days of the year in Magna, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:01 pm. On the last day of December, in Magna, sunrise is at 7:52 am and sunset at 5:11 pm MST.
Sunshine
In December, the average sunshine is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Magna. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost 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
Magna, UT
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Magna, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Magna, UT
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).
Average humidity in December
Magna, UT
- Average humidity in December: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (36%).
Average rainfall in December
Magna, UT
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is December (1.61").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in December
Magna, UT
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is April (12.2 days).
The month with the least rainy days is June (4.6 days).
Average snowfall in December
Magna, UT
- Average snowfall in December: 7.28"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Magna, UT
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Magna, 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Magna, UT
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is June (23.6 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Magna, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Magna, UT
- Average cloud cover in December: 37
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Magna, UT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
