December weather forecast
Canyon Diablo, AZ

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Weather in December

The first month of the winter, December, is also a frosty month in Canyon Diablo, Arizona, with an average temperature varying between 30.7°F (-0.7°C) and 48°F (8.9°C).

Temperature

Canyon Diablo's December weather comes with a decrease in average high-temperatures, moving from a refreshing 59.2°F (15.1°C) in November to a frosty 48°F (8.9°C). Throughout December, Canyon Diablo witnesses a consistent average low-temperature of 30.7°F (-0.7°C).

Humidity

The average relative humidity in December is 52%.

Rainfall

In Canyon Diablo, in December, it is raining for 3.4 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 46.1 rainfall days, and 3.35" (85mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Canyon Diablo, Arizona, during December, snow falls for 1.5 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 5.9 snowfall days, and 3.07" (78mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:22 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 7h of sunshine.

UV index

November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What is the average December temperature?

The high-temperature, in December, in Canyon Diablo, is 48°F (8.9°C), while the low-temperature averages to 30.7°F (-0.7°C).

What is the average humidity in December?

In Canyon Diablo, the average relative humidity in December is 52%.

How much does it rain in December?

In Canyon Diablo, in December, it is raining for 3.4 days, with typically 0.24" (6mm) of accumulated precipitation.

How much does it snow in Canyon Diablo in December?

In Canyon Diablo, Arizona, in December, snow falls for 1.5 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December?

In Canyon Diablo, the average day length in December is 9h and 50min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:22 pm MST.

What is the month with the least sunshine?

With an average of 7h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Canyon Diablo have in December?

In December, the average sunshine duration is 7h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Canyon Diablo, AZ

Average temperature in December - Canyon Diablo, AZ
  • Average high temperature in December: 48°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Canyon Diablo, AZ

Average pressure in December - Canyon Diablo, AZ
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

Average wind speed in December
Canyon Diablo, AZ

Average wind speed in December - Canyon Diablo, AZ
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).

Average humidity in December
Canyon Diablo, AZ

Average humidity in December - Canyon Diablo, AZ
  • Average humidity in December: 52%

The month with the highest relative humidity is January (57%).
The month with the lowest relative humidity is June (18%).

Average rainfall in December
Canyon Diablo, AZ

Average rainfall in December - Canyon Diablo, AZ
  • Average rainfall in December: 0.24"

The wettest month (with the highest rainfall) is October (0.55").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in December
Canyon Diablo, AZ

Average rainfall days in December - Canyon Diablo, AZ
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is July (7.8 days).
The months with the least rainy days are June and November (2.5 days).

Average snowfall in December
Canyon Diablo, AZ

Average snowfall in December - Canyon Diablo, AZ
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Canyon Diablo, AZ

Average snowfall days in December - Canyon Diablo, AZ
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Canyon Diablo, AZ

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Canyon Diablo, AZ

Average sunshine days in December - Canyon Diablo, AZ
  • Average sunshine days in December: 26 days

The month with the most sunshine days is May (27.1 days).
The month with the least sunshine days is July (19.7 days).

Average UV index in December
Canyon Diablo, AZ

Average UV index in December - Canyon Diablo, AZ
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

Average cloud cover in December
Canyon Diablo, AZ

Average cloud cover in December - Canyon Diablo, AZ
  • Average cloud cover in December: 20

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in December
Canyon Diablo, AZ

Average visibility in December - Canyon Diablo, 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).

Canyon Diablo, Arizona, USA

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