December weather forecast
Vernon, AZ

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Weather in December

December, the first month of the winter in Vernon, is also a frosty month, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 27°F (-2.8°C).

Temperature

Vernon experiences lowest temperatures, averaging a high-temperature of 45.7°F (7.6°C) during January and December.

Humidity

In December, the average relative humidity is 61%.

Rainfall

In December, the rain falls for 3.6 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Vernon, during the entire year, the rain falls for 71.1 days and collects up to 9.96" (253mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Vernon, in December, during 6.9 snowfall days, 5.2" (132mm) of snow is typically accumulated. Throughout the year, there are 26 snowfall days, and 20.98" (533mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December in Vernon, Arizona, sunrise is at 7:07 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:19 pm MST.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What month is the coldest in Vernon?

The yearly lowest temperatures occur in January and December, averaging a high-temperature of 45.7°F (7.6°C).

What is the usual temperature for Vernon in December?

December temperatures in Vernon vary between a high-temperature of 45.7°F (7.6°C) and a low-temperature of 27°F (-2.8°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Vernon?

The average relative humidity in December in Vernon, Arizona, is 61%.

How many days does it rain in December in Vernon?

In Vernon, Arizona, during December, the rain falls for 3.6 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How much does it snow in Vernon in December?

In Vernon, Arizona, in December, during 6.9 snowfall days, 5.2" (132mm) of snow is typically accumulated.

What is the month with the shortest days in Vernon?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

What is the average length of the day in December in Vernon?

In Vernon, the average day length in December is 9h and 55min.

What time are sunrise and sunset in December in Vernon?

On the first day of December in Vernon, sunrise is at 7:07 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:19 pm MST.

What is the month with the least sunshine in Vernon?

The month with the least sunshine in Vernon is December, with an average of 6.8h of sunshine.

How many hours of sunshine does Vernon have in December?

In Vernon, Arizona, the average sunshine duration in December is 6.8h.

When is the lowest UV index in Vernon?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vernon.

What is the UV index intensity in December in Vernon?

The average daily maximum UV index in December in Vernon, Arizona, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Vernon, AZ

Average temperature in December - Vernon, AZ
  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).

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Average pressure in December
Vernon, AZ

Average pressure in December - Vernon, AZ
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Vernon, AZ

Average wind speed in December - Vernon, AZ
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Vernon, AZ

Average humidity in December - Vernon, AZ
  • Average humidity in December: 61%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in December
Vernon, AZ

Average rainfall in December - Vernon, AZ
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in December
Vernon, AZ

Average rainfall days in December - Vernon, AZ
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in December
Vernon, AZ

Average snowfall in December - Vernon, AZ
  • Average snowfall in December: 5.2"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Vernon, AZ

Average snowfall days in December - Vernon, AZ
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Vernon, AZ

Average daylight in December / Average sunshine in December - Vernon, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Vernon, AZ

Average sunshine days in December - Vernon, AZ
  • Average sunshine days in December: 22 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in December
Vernon, AZ

Average UV index in December - Vernon, AZ
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Vernon, AZ

Average cloud cover in December - Vernon, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

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Average visibility in December
Vernon, AZ

Average visibility in December - Vernon, AZ
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Vernon, Arizona, USA

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