Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December involves a decrease in the average high-temperature, falling from a chilly 46.4°F (8°C) in November to a cold 32.9°F (0.5°C). An average nighttime temperature of 18.5°F (-7.5°C) is observed during December.Humidity
In Randlett, the average relative humidity in December is 73%.Rainfall
In Randlett, in December, during 4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Randlett, during the entire year, the rain falls for 64.4 days and collects up to 4.69" (119mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 5.7 days. Throughout December, 2.36" (60mm) of snow is accumulated. In Randlett, during the entire year, snow falls for 25.6 days and aggregates up to 11.89" (302mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:03 pm MST.
Sunshine
In December, the average sunshine is 6.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Randlett, UT
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Randlett, 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
Randlett, UT
- Average wind speed in December: 3.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is January (3.4mph).
Average humidity in December
Randlett, UT
- Average humidity in December: 73%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (28%).
Average rainfall in December
Randlett, UT
- Average rainfall in December: 0.35"
The wettest months (with the highest rainfall) are February and March (0.55").
The driest months (with the least rainfall) are September and November (0.24").
Average rainfall days in December
Randlett, UT
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in December
Randlett, UT
- Average snowfall in December: 2.36"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Randlett, UT
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (7 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
Randlett, UT
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in December
Randlett, UT
- Average sunshine days in December: 23.5 days
The months with the most sunshine days are October and November (25.7 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in December
Randlett, UT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Randlett, UT
- Average cloud cover in December: 25
The month with the most cloud cover is February (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 10).
Average visibility in December
Randlett, 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).
Randlett, Utah, USA
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