December weather forecastErda, UT
December
Weather in December
The first month of the winter, December, is still a cold month in Erda, Utah, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 33.8°F (1°C).Temperature
Erda's weather changes with the onset of December, slightly falling from a chilly 45.9°F (7.7°C) in November to an icy 33.8°F (1°C). In Erda, the expected average low-temperature for December is a subzero cold 22.1°F (-5.5°C).Humidity
In December, the average relative humidity in Erda is 78%.Rainfall
In Erda, Utah, in December, during 10.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 137.7 rainfall days, and 20.98" (533mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Erda. December is the month with the most snowfall. Snow falls for 12.5 days and accumulates 9.69" (246mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Erda.On the first day of December, sunrise is at 7:34 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:12 pm MST.
Sunshine
In December, the average sunshine is 5.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 in December translates into this 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. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Erda, UT
- Average high temperature in December: 33.8°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 (33.4°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Erda, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Erda, UT
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in December
Erda, UT
- Average humidity in December: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall in December
Erda, UT
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in December
Erda, UT
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Erda, UT
- Average snowfall in December: 9.69"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Erda, UT
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Erda, 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 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Erda, UT
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Erda, UT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Erda, UT
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Erda, 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 months with the lowest visibility are January and February (5mi).





