December weather forecast
Cleaveland, AZ

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Weather in December

The first month of the winter, December, is also a wintry month in Cleaveland, Arizona, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 39°F (3.9°C).

Temperature

Cleaveland's transition into December involves a shift in temperature, receding from a chilly 49.3°F (9.6°C) in November to a cold 39°F (3.9°C). During December, Cleaveland observes a consistent average nighttime temperature of 21.7°F (-5.7°C).

Humidity

In Cleaveland, the average relative humidity in December is 67%.

Rainfall

In Cleaveland, in December, it is raining for 3.4 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 109 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Cleaveland, during December, snow falls for 10 days and regularly aggregates up to 10" (254mm) of snow. Throughout the year, there are 50 snowfall days, and 45.55" (1157mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:19 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 6.1h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Cleaveland in December?

An average high-temperature, in December, in Cleaveland, is 39°F (3.9°C) and the average low-temperature is 21.7°F (-5.7°C).

What is the average humidity in December?

In December, the average relative humidity is 67%.

How many days does it rain in December in Cleaveland?

In Cleaveland, during December, the rain falls for 3.4 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 10 days. Throughout December, 10" (254mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

How many hours of daylight does Cleaveland have in December?

In Cleaveland, the average day length in December is 9h and 58min.

When are sunrise and sunset in December in Cleaveland?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:19 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.1h of sunshine.

How many hours of sunshine does Cleaveland have in December?

In Cleaveland, the average sunshine duration in December is 6.1h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Cleaveland, AZ

Average temperature in December - Cleaveland, AZ
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is June (75.2°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Cleaveland, AZ

Average pressure in December - Cleaveland, 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).

Average wind speed in December
Cleaveland, AZ

Average wind speed in December - Cleaveland, AZ
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Cleaveland, AZ

Average humidity in December - Cleaveland, AZ
  • Average humidity in December: 67%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (33%).

Average rainfall in December
Cleaveland, AZ

Average rainfall in December - Cleaveland, AZ
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is July (7.36").
The driest month (with the least rainfall) is October (0.83").

Average rainfall days in December
Cleaveland, AZ

Average rainfall days in December - Cleaveland, AZ
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Cleaveland, AZ

Average snowfall in December - Cleaveland, AZ
  • Average snowfall in December: 10"

The month with the highest snowfall is January (10.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cleaveland, AZ

Average snowfall days in December - Cleaveland, AZ
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is December (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Cleaveland, AZ
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in December
Cleaveland, AZ

Average sunshine days in December - Cleaveland, AZ
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is November (24 days).
The month with the least sunshine days is July (3.5 days).

Average UV index in December
Cleaveland, AZ

Average UV index in December - Cleaveland, AZ
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Cleaveland, AZ

Average cloud cover in December - Cleaveland, AZ
  • 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 June (Cloud cover 13).

Average visibility in December
Cleaveland, AZ

Average visibility in December - Cleaveland, 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).

Cleaveland, Arizona, USA

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