December weather forecastHenefer, UT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Henefer, Utah, with an average temperature varying between 31.8°F (-0.1°C) and 18.5°F (-7.5°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 31.8°F (-0.1°C) and as low as 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Henefer, during December, the rain falls for 9.1 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 116.8 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
Months with snowfall in Henefer are January through June, September through December. In Henefer, during December, snow falls for 13.8 days and regularly aggregates up to 14.76" (375mm) of snow. Throughout the year, there are 69.4 snowfall days, and 70.67" (1795mm) of snow is accumulated.Daylight
The month with the shortest days in Henefer is December, with an average of 9h and 18min of daylight.On the first day of December in Henefer, sunrise is at 7:32 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:07 pm MST.
Sunshine
In December, the average sunshine in Henefer is 5.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Henefer. A UV Index of 2, and less, symbolizes a low health risk 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:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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
Henefer, UT
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in December: 18.5°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 (17.6°F).
Average pressure in December
Henefer, UT
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Henefer, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Henefer, UT
- Average humidity in December: 81%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in December
Henefer, UT
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is February (2.32").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in December
Henefer, UT
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (7 days).
Average snowfall in December
Henefer, UT
- Average snowfall in December: 14.76"
The month with the highest snowfall is January (16.22").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Henefer, UT
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Henefer, 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 30min).
Average sunshine days in December
Henefer, UT
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Henefer, 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, October, November and December (UV index 2).
Average cloud cover in December
Henefer, UT
- Average cloud cover in December: 39
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
Henefer, 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).





