December weather forecastHeber City, UT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Heber City, Utah, with an average temperature fluctuating between 10.8°F (-11.8°C) and 27.7°F (-2.4°C).Temperature
December is the month when Heber City experiences its coldest temperatures, averaging a high of 27.7°F (-2.4°C) and a low of 10.8°F (-11.8°C).Humidity
In December, the average relative humidity is 85%.Rainfall
The wettest months in Heber City are February and December, with an average 2.52" (64mm) of rainfall.Snowfall
January through June, September through December are months with snowfall in Heber City. December is the month with the most snowfall in Heber City. Snow falls for 16.4 days and accumulates 18.35" (466mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Heber City, Utah, sunrise is at 7:30 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:09 pm MST.
Sunshine
In Heber City, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January through April, 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: The maximum UV index of 2 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heber City, UT
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in December: 10.8°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Heber City, 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
Heber City, UT
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Heber City, UT
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (45%).
Average rainfall in December
Heber City, UT
- Average rainfall in December: 2.52"
The wettest months (with the highest rainfall) are February and December (2.52").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in December
Heber City, UT
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is June (5.3 days).
Average snowfall in December
Heber City, UT
- Average snowfall in December: 18.35"
The month with the highest snowfall is December (18.35").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Heber City, UT
- Average snowfall days in December: 16.4 days
The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Heber City, 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 6min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Heber City, UT
- Average sunshine days in December: 13 days
The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Heber City, UT
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Heber City, UT
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in December
Heber City, UT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
