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
With December's arrival, McCornick's weather changes as the average high-temperature falls from a fresh 50°F (10°C) in November to a cold 37.2°F (2.9°C). McCornick throughout December, records an average low-temperature of 24.1°F (-4.4°C).Humidity
The average relative humidity in December in McCornick is 72%.Rainfall
In McCornick, Utah, during December, the rain falls for 6.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. In McCornick, Utah, during the entire year, the rain falls for 82.6 days and collects up to 7.01" (178mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 8.2 days and typically aggregates up to 3.98" (101mm) of snow.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 7:30 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:16 pm MST.
Sunshine
The average sunshine in December in McCornick is 6.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Consider carefully! The reflective quality of 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 December in McCornick?
What is the average humidity in December in McCornick?
How many days does it rain in December in McCornick?
What is the snowiest month in McCornick?
How many days does it snow in December in McCornick?
What is the month with the shortest days in McCornick?
How many hours of daylight does McCornick have in December?
When are sunrise and sunset in December in McCornick?
How long on average sun shines in December in McCornick?
When is the lowest UV index in McCornick?
What is the UV index intensity in December in McCornick?
Average temperature in December
McCornick, UT
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
McCornick, UT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
McCornick, UT
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
McCornick, UT
- Average humidity in December: 72%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (24%).
Average rainfall in December
McCornick, UT
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is March (0.91").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in December
McCornick, UT
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is April (10 days).
The month with the least rainy days is June (3.9 days).
Average snowfall in December
McCornick, UT
- Average snowfall in December: 3.98"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
McCornick, UT
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is December (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McCornick, 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: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in December
McCornick, UT
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (16.3 days).
Average UV index in December
McCornick, UT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
McCornick, 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 9).
Average visibility in December
McCornick, 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).
McCornick, Utah, USA
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