December weather forecastRandolph, UT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Randolph, Utah, with an average temperature ranging between min 10°F (-12.2°C) and max 25.5°F (-3.6°C).Temperature
With average high and low temperatures of 25.5°F (-3.6°C) and 10°F (-12.2°C) respectively, December is Randolph's coldest month.Humidity
In Randolph, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 114.5 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 20.2 days. Throughout December, 14.76" (375mm) of snow is accumulated. In Randolph, during the entire year, snow falls for 107.8 days and aggregates up to 86.89" (2207mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:32 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:04 pm MST.
Sunshine
In Randolph, the average sunshine in December is 4.6h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Randolph, UT
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in December: 10°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Randolph, UT
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Randolph, UT
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Randolph, UT
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Randolph, UT
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in December
Randolph, UT
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Randolph, UT
- Average snowfall in December: 14.76"
The month with the highest snowfall is January (17.4").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Randolph, UT
- Average snowfall days in December: 20.2 days
The month with the highest number of snowfall days is February (20.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Randolph, UT
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Randolph, UT
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is June (18.2 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Randolph, UT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Randolph, UT
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Randolph, 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 and February (3mi).
