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
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 45.3°F (7.4°C) in November to an icy 33.6°F (0.9°C). In December, Bountiful experiences a temperature dip to an average of 21.9°F (-5.6°C) at night.Humidity
The average relative humidity in December is 78%.Rainfall
In December, the rain falls for 11 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. In Bountiful, during the entire year, the rain falls for 96.6 days and collects up to 14.02" (356mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.9 days. Throughout December, 9.09" (231mm) of snow is accumulated. In Bountiful, during the entire year, snow falls for 53.1 days and aggregates up to 45.12" (1146mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:33 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:09 pm MST.
Sunshine
In Bountiful, the average sunshine in December is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bountiful have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Bountiful have in December?
What are the months with the lowest UV index?
How high is the UV index in December in Bountiful?
Average temperature in December
Bountiful, UT
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Bountiful, 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
Bountiful, UT
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Bountiful, UT
- Average humidity in December: 78%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in December
Bountiful, UT
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is August (0.16").
Average rainfall days in December
Bountiful, UT
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Bountiful, UT
- Average snowfall in December: 9.09"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bountiful, UT
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bountiful, UT
- Average daylight in December: 9h and 2min
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: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Bountiful, UT
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Bountiful, 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, November and December (UV index 2).
Average cloud cover in December
Bountiful, UT
- Average cloud cover in December: 37
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Bountiful, UT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Bountiful, Utah, USA
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