December weather forecast
Cannonville, UT

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Weather in December

The first month of the winter, December, is also an icy month in Cannonville, Utah, with an average temperature fluctuating between 34.3°F (1.3°C) and 17.2°F (-8.2°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a frosty 45.9°F (7.7°C) in November to a cold 34.3°F (1.3°C). In Cannonville, December nights cool down to an average of 17.2°F (-8.2°C).

Humidity

The average relative humidity in December is 72%.

Rainfall

In Cannonville, in December, it is raining for 3.4 days, with typically 0.67" (17mm) of accumulated precipitation. In Cannonville, during the entire year, the rain falls for 64.4 days and collects up to 7.99" (203mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Cannonville, during December, snow falls for 8.5 days and regularly aggregates up to 5.31" (135mm) of snow. In Cannonville, during the entire year, snow falls for 40.5 days and aggregates up to 29.09" (739mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:24 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:20 pm MST.

Sunshine

In December, the average sunshine is 6.7h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Cannonville. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Cannonville, in December, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 17.2°F (-8.2°C).

What is the average humidity in December?

In December, the average relative humidity is 72%.

How much does it rain in December?

In Cannonville, in December, during 3.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 8.5 days. Throughout December, 5.31" (135mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Cannonville have in December?

The average day length in December is 9h and 37min.

When is the sunrise / sunset in December in Cannonville?

On the first day of December in Cannonville, sunrise is at 7:24 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:20 pm MST.

How long on average sun shines in December?

The average sunshine duration in December in Cannonville is 6.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cannonville, UT

Average temperature in December - Cannonville, UT
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in December: 17.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in December
Cannonville, UT

Average pressure in December - Cannonville, UT
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Cannonville, UT

Average wind speed in December - Cannonville, UT
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

Average humidity in December
Cannonville, UT

Average humidity in December - Cannonville, UT
  • Average humidity in December: 72%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).

Average rainfall in December
Cannonville, UT

Average rainfall in December - Cannonville, UT
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.2").

Average rainfall days in December
Cannonville, UT

Average rainfall days in December - Cannonville, UT
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (1.8 days).

Average snowfall in December
Cannonville, UT

Average snowfall in December - Cannonville, UT
  • Average snowfall in December: 5.31"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cannonville, UT

Average snowfall days in December - Cannonville, UT
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cannonville, UT

Average daylight in December / Average sunshine in December - Cannonville, UT
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

Average sunshine days in December
Cannonville, UT

Average sunshine days in December - Cannonville, UT
  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is November (25.4 days).
The month with the least sunshine days is July (14.2 days).

Average UV index in December
Cannonville, UT

Average UV index in December - Cannonville, UT
  • Average UV index in December: 2

The month with the highest UV index is 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
Cannonville, UT

Average cloud cover in December - Cannonville, UT
  • Average cloud cover in December: 28

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 9).

Average visibility in December
Cannonville, UT

Average visibility in December - Cannonville, 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).

Cannonville, Utah, USA

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