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, with an average high of 33.6°F (0.9°C) and a low of 17.1°F (-8.3°C), signifies the coldest month of the year.Humidity
In December, the average relative humidity in Garrison is 73%.Rainfall
In Garrison, in December, during 4.4 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Garrison, during the entire year, the rain falls for 62 days and collects up to 8.11" (206mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Garrison, during December, snow falls for 8.6 days and regularly aggregates up to 4.41" (112mm) of snow. Throughout the year, there are 40.3 snowfall days, and 27.32" (694mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:24 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.4h of sunshine.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
What part of the year is the coldest?
How cold is it in December?
What is the average humidity in December in Garrison?
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?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Garrison?
How long on average sun shines in December?
What is the month with the lowest UV index in Garrison?
How high is the UV index in December?
Average temperature in December
Garrison, UT
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in December: 17.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Garrison, UT
- Average pressure in December: 30.2"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Garrison, UT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in December
Garrison, UT
- Average humidity in December: 73%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (29%).
Average rainfall in December
Garrison, UT
- Average rainfall in December: 0.63"
The wettest months (with the highest rainfall) are March and April (1.14").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in December
Garrison, UT
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is April (7.8 days).
The month with the least rainy days is November (2.3 days).
Average snowfall in December
Garrison, UT
- Average snowfall in December: 4.41"
The month with the highest snowfall is March (6.97").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Garrison, UT
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is December (8.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Garrison, UT
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in December
Garrison, UT
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is April (19.2 days).
Average UV index in December
Garrison, 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, November and December (UV index 2).
Average cloud cover in December
Garrison, UT
- Average cloud cover in December: 33
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Garrison, 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).
Garrison, Utah, USA
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