December weather forecast
Hackberry, AZ

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Weather in December

The first month of the winter, December, is still a cool month in Hackberry, Arizona, with an average temperature fluctuating between 36.9°F (2.7°C) and 51.4°F (10.8°C).

Temperature

December is the month when Hackberry sees the lowest average temperatures, with a high of 51.4°F (10.8°C) and a low of 36.9°F (2.7°C).

Humidity

January and December, with an average relative humidity of 49%, are the most humid months.

Rainfall

In Hackberry, in December, it is raining for 6.7 days, with typically 1.1" (28mm) of accumulated precipitation. In Hackberry, during the entire year, the rain falls for 76.7 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

Months with snowfall in Hackberry are January through March, November and December. In Hackberry, Arizona, in December, during 1 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, in Hackberry, there are 3 snowfall days, and 4.21" (107mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:32 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Hackberry's coldest month, December, registers temperatures that range from a high of 51.4°F (10.8°C) to a low of 36.9°F (2.7°C).

What are the temperatures in December?

The average high-temperature and low-temperature in Hackberry during December are 51.4°F (10.8°C) and 36.9°F (2.7°C) respectively.

What are the most humid months?

The months with the highest humidity are January and December, with an average relative humidity of 49%.

What is the average humidity in December?

In Hackberry, the average relative humidity in December is 49%.

How many days does it rain in December?

In December, the rain falls for 6.7 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 1 days. Throughout December, 0.87" (22mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Hackberry have in December?

In Hackberry, the average day length in December is 9h and 49min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:26 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:32 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.7h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 6.7h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

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 minimal hazard to health 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
Hackberry, AZ

Average temperature in December - Hackberry, AZ
  • Average high temperature in December: 51.4°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (51.4°F).

  • Average low temperature in December: 36.9°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is December (36.9°F).

Average pressure in December
Hackberry, AZ

Average pressure in December - Hackberry, AZ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

Average wind speed in December
Hackberry, AZ

Average wind speed in December - Hackberry, AZ
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and December (7.3mph).

Average humidity in December
Hackberry, AZ

Average humidity in December - Hackberry, AZ
  • Average humidity in December: 49%

The months with the highest relative humidity are January and December (49%).
The month with the lowest relative humidity is June (17%).

Average rainfall in December
Hackberry, AZ

Average rainfall in December - Hackberry, AZ
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in December
Hackberry, AZ

Average rainfall days in December - Hackberry, AZ
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is June (2 days).

Average snowfall in December
Hackberry, AZ

Average snowfall in December - Hackberry, AZ
  • Average snowfall in December: 0.87"

The month with the highest snowfall is November (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Hackberry, AZ

Average snowfall days in December - Hackberry, AZ
  • Average snowfall days in December: 1 days

The months with the highest number of snowfall days are February and December (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Hackberry, 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: 6h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Hackberry, AZ

Average sunshine days in December - Hackberry, AZ
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is June (26.8 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in December
Hackberry, AZ

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

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

Average cloud cover in December
Hackberry, AZ

Average cloud cover in December - Hackberry, 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 6).

Average visibility in December
Hackberry, AZ

Average visibility in December - Hackberry, 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).

Hackberry, Arizona, USA

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