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 brings the lowest temperatures, with an average high of 29.3°F (-1.5°C) and an average low of 16°F (-8.9°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Smithfield, Utah, in December, during 10.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Smithfield, during the entire year, the rain falls for 135.6 days and collects up to 18.54" (471mm) of precipitation.Snowfall
Months with snowfall in Smithfield are January through May, September through December. In Smithfield, in December, snow falls for 16.3 days, with typically accumulated 12.17" (309mm) of snow. In Smithfield, Utah, during the entire year, snow falls for 78.7 days and aggregates up to 56.69" (1440mm) of snow.Daylight
December has the shortest days of the year in Smithfield, Utah, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 4:57 pm. On the last day of December, in Smithfield, sunrise is at 7:54 am and sunset at 5:06 pm MST.
Sunshine
The average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Smithfield are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What time of the year is the coldest in Smithfield?
How cold is December in Smithfield?
What is the average humidity in December in Smithfield?
How many days does it rain in December in Smithfield?
How many days does it snow in December in Smithfield?
What is the month with the shortest days in Smithfield?
What is the average length of the day in December in Smithfield?
When are sunrise and sunset in December in Smithfield?
How many hours of sunshine does Smithfield have in December?
When is the lowest UV index in Smithfield?
What is the UV index intensity in December in Smithfield?
Average temperature in December
Smithfield, UT
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Smithfield, UT
- Average pressure in December: 30.24"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
Smithfield, UT
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in December
Smithfield, UT
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Smithfield, UT
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Smithfield, UT
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is July (7.5 days).
Average snowfall in December
Smithfield, UT
- Average snowfall in December: 12.17"
The month with the highest snowfall is January (16.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Smithfield, UT
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, UT
- Average daylight in December: 9h and 1min
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: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Smithfield, UT
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Smithfield, UT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Smithfield, UT
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Smithfield, UT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Smithfield, Utah, USA
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