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 shift from November to December in Millcreek involves a decrease in the average high-temperature, from a chilly 44.1°F (6.7°C) to a cold 32°F (0°C). Throughout December, Millcreek witnesses a nighttime temperature average of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity in Millcreek is 80%.Rainfall
In Millcreek, during December, the rain falls for 11 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Millcreek, there are 120.5 rainfall days, and 18.66" (474mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Millcreek, it is snowing for 13 days. Throughout December, 12.52" (318mm) of snow is accumulated. Throughout the year, there are 62.9 snowfall days, and 59.69" (1516mm) of snow is accumulated.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 7:32 am and sunset at 5:00 pm. On the last day of December, in Millcreek, sunrise is at 7:51 am and sunset at 5:10 pm MST.
Sunshine
In Millcreek, the average sunshine in December is 5.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Millcreek, Utah. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Millcreek in December?
What is the average humidity in December in Millcreek?
How many days does it rain in December in Millcreek?
How many days does it snow in December in Millcreek?
What is the month with the shortest days in Millcreek?
How many hours of daylight does Millcreek have in December?
When is the sunrise / sunset in December in Millcreek?
How long on average sun shines in December in Millcreek?
What is the month with the lowest UV index in Millcreek?
What is the UV index reading in December in Millcreek?
Average temperature in December
Millcreek, UT
- Average high temperature in December: 32°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 (31.8°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Millcreek, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Millcreek, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
Millcreek, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).
Average rainfall in December
Millcreek, UT
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is February (2.4").
The driest month (with the least rainfall) is June (0.67").
Average rainfall days in December
Millcreek, UT
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is April (13.9 days).
The month with the least rainy days is June (6.9 days).
Average snowfall in December
Millcreek, UT
- Average snowfall in December: 12.52"
The month with the highest snowfall is January (14.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millcreek, UT
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millcreek, 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 18min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Millcreek, UT
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Millcreek, UT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Millcreek, UT
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Millcreek, 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).
Millcreek, Utah, USA
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