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 onset of December coincides with a reduction in the average high-temperature, falling from a frosty 44.2°F (6.8°C) in November to a freezing cold 31.1°F (-0.5°C). Bonanza records an average temperature drop to a still subzero cold 17.8°F (-7.9°C) in December.Humidity
In Bonanza, the average relative humidity in December is 75%.Rainfall
In Bonanza, in December, during 6.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Bonanza, there are 114.4 rainfall days, and 10.16" (258mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 11 days and typically aggregates up to 6.34" (161mm) 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 December, sunrise is at 7:20 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:01 pm MST.
Sunshine
The average sunshine in December is 6.5h.UV index
The months with the lowest UV index are January, February, 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 unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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 many days does it rain in December?
When does it snow the most?
How many days 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
Bonanza, UT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Bonanza, 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 (29.89"Hg).
Average wind speed in December
Bonanza, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Bonanza, UT
- Average humidity in December: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (31%).
Average rainfall in December
Bonanza, UT
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is April (1.18").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Bonanza, UT
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Bonanza, UT
- Average snowfall in December: 6.34"
The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bonanza, UT
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (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
Bonanza, 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 3min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Bonanza, UT
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (13 days).
Average UV index in December
Bonanza, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Bonanza, UT
- Average cloud cover in December: 32
The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in December
Bonanza, UT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Bonanza, Utah, USA
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