December weather forecast
Willcox, AZ

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Weather in December

The first month of the winter, December, is still a cool month in Willcox, Arizona, with an average temperature ranging between max 55.2°F (12.9°C) and min 36.5°F (2.5°C).

Temperature

December, characterized by an average high temperature of 55.2°F (12.9°C) and a low temperature of 36.5°F (2.5°C), is generally the coldest month.

Humidity

The most humid month is December, with an average relative humidity of 52%.

Rainfall

In Willcox, during December, the rain falls for 6.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 92.5 rainfall days, and 12.36" (314mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, in Willcox, there are 2.9 snowfall days, and 2.4" (61mm) of snow is accumulated.

Daylight

The month with the shortest days in Willcox is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 5:14 pm. On the last day of December, in Willcox, sunrise is at 7:20 am and sunset at 5:25 pm MST.

Sunshine

With an average of 6.9h of sunshine, December has the least sunshine of the year in Willcox.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are the coldest months in Willcox?

With its average high temperature of 55.2°F (12.9°C) and a low of 36.5°F (2.5°C), December is regarded as the coldest month in Willcox.

What is the usual temperature for Willcox in December?

The average high-temperature and low-temperature in Willcox, Arizona, during December are 55.2°F (12.9°C) and 36.5°F (2.5°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 84.2°F (29°C).

What is the most humid month in Willcox?

With an average relative humidity of 52%, December is the most humid month in Willcox, Arizona.

What is the average humidity in December in Willcox?

In December, the average relative humidity is 52%.

How many days does it rain in December in Willcox?

In December, in Willcox, Arizona, the rain falls for 6.7 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

When does it start to snow in Willcox?

December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 0.71" (18mm) of snow.

What is the month with the shortest days in Willcox?

The month with the shortest days in Willcox is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Willcox have in December?

In December, the average day length in Willcox, Arizona, is 10h and 5min.

What time are sunrise and sunset in December in Willcox?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:25 pm MST.

What is the month with the least sunshine in Willcox?

The month with the least sunshine is December, with an average of 6.9h of sunshine.

How long on average sun shines in December in Willcox?

In December, the average sunshine duration in Willcox, Arizona, is 6.9h.

What are the months with the lowest UV index in Willcox?

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

How high is the UV index in December in Willcox?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Willcox, AZ

Average temperature in December - Willcox, AZ
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is June (92.1°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in December
Willcox, AZ

Average pressure in December - Willcox, AZ
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Willcox, AZ

Average wind speed in December - Willcox, AZ
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Willcox, AZ

Average humidity in December - Willcox, AZ
  • Average humidity in December: 52%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in December
Willcox, AZ

Average rainfall in December - Willcox, AZ
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is May (0.08").

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Average rainfall days in December
Willcox, AZ

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

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is May (2.6 days).

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Average snowfall in December
Willcox, AZ

Average snowfall in December - Willcox, AZ
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Willcox, AZ

Average snowfall days in December - Willcox, AZ
  • Average snowfall days in December: 1.3 days

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

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

Average daylight in December / Average sunshine in December - Willcox, 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: 6h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in December
Willcox, AZ

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

The month with the most sunshine days is May (27.4 days).
The month with the least sunshine days is July (6.6 days).

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Average UV index in December
Willcox, AZ

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

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

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Average cloud cover in December
Willcox, AZ

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

The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in December
Willcox, AZ

Average visibility in December - Willcox, 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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Willcox, Arizona, USA

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