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
Willard in December demonstrates a small temperature transition, adjusting from an average high of a chilly 44.4°F (6.9°C) in November to a wintry 33.1°F (0.6°C). In December, Willard experiences an average nighttime temperature of 21.2°F (-6°C).Humidity
In December, the average relative humidity in Willard is 79%.Rainfall
In Willard, Utah, in December, it is raining for 9 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 113.4 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
Months with snowfall in Willard are January through May, September through December. In Willard, in December, snow falls for 11.9 days, with typically accumulated 8.94" (227mm) of snow. In Willard, during the entire year, snow falls for 55.4 days and aggregates up to 45.28" (1150mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:08 pm MST.
Sunshine
In December, the average sunshine is 5.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Willard. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Willard?
What is the average humidity in December in Willard?
How many days does it rain in December in Willard?
How much does it snow in Willard in December?
What is the month with the shortest days in Willard?
What is the average length of the day in December in Willard?
What time are sunrise and sunset in December in Willard?
How many hours of sunshine does Willard have in December?
When is the lowest UV index in Willard?
How high is the UV index in December in Willard?
Average temperature in December
Willard, UT
- Average high temperature in December: 33.1°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 (32.5°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Willard, UT
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Willard, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Willard, UT
- Average humidity in December: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (36%).
Average rainfall in December
Willard, UT
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Willard, UT
- Average rainfall days in December: 9 days
The months with the highest number of rainy days are March and April (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in December
Willard, UT
- Average snowfall in December: 8.94"
The month with the highest snowfall is January (12.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Willard, UT
- Average snowfall days in December: 11.9 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Willard, UT
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 5h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Willard, UT
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Willard, UT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Willard, UT
- Average cloud cover in December: 39
The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Willard, 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 month with the lowest visibility is January (4mi).
Willard, Utah, USA
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