December weather forecast
Gleeson, AZ

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Weather in December

December, the first month of the winter in Gleeson, is also a moderate month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 56.1°F (13.4°C).

Temperature

With an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 37.2°F (2.9°C), December is the coldest month.

Humidity

The most humid month in Gleeson, Arizona, is December, with an average relative humidity of 49%.

Rainfall

In Gleeson, in December, during 5.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 82 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:26 pm MST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the coldest month?

December is the coldest month, with an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 37.2°F (2.9°C).

What are December temperatures?

The high-temperature, in December, in Gleeson, is 56.1°F (13.4°C), while the low-temperature averages to 37.2°F (2.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).

What is the most humid month?

With an average relative humidity of 49%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December is 49%.

How much does it rain in December?

In Gleeson, in December, it is raining for 5.1 days, with typically 0.55" (14mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 1.2 days and accumulates 1.3" (33mm) of snow.

How much does it snow in December?

In December, it is snowing for 1.2 days. Throughout December, 1.3" (33mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the average length of the day in December?

The average day length in December is 10h and 7min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:26 pm MST.

What is the month with the least sunshine?

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

How many hours of sunshine does Gleeson have in December?

In December, the average sunshine duration is 7h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Gleeson, AZ

Average temperature in December - Gleeson, AZ
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average pressure in December
Gleeson, AZ

Average pressure in December - Gleeson, AZ
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Gleeson, AZ

Average wind speed in December - Gleeson, AZ
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Gleeson, AZ

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

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

Average rainfall in December
Gleeson, AZ

Average rainfall in December - Gleeson, AZ
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

Average rainfall days in December
Gleeson, AZ

Average rainfall days in December - Gleeson, AZ
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

Average snowfall in December
Gleeson, AZ

Average snowfall in December - Gleeson, AZ
  • Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Gleeson, AZ

Average snowfall days in December - Gleeson, AZ
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Gleeson, AZ
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Gleeson, AZ

Average sunshine days in December - Gleeson, AZ
  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Gleeson, AZ

Average UV index in December - Gleeson, AZ
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Gleeson, AZ

Average cloud cover in December - Gleeson, AZ
  • Average cloud cover in December: 20

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in December
Gleeson, AZ

Average visibility in December - Gleeson, 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).

Gleeson, Arizona, USA

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