December weather forecast and climate
Willcox, AZ

Weather in December

December, the first month of the winter, in Willcox, is also a fresh month, with average temperature fluctuating between 36.5°F (2.5°C) and 55.2°F (12.9°C).

Temperature

The coldest month is December, with an average high-temperature of 55.2°F (12.9°C) and an average low-temperature of 36.5°F (2.5°C).

Humidity

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

Rainfall

In Willcox, Arizona, during 6.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Willcox, during the entire year, the rain falls for 92.5 days and collects up to 12.36" (314mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Willcox. 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

With an average of 10.1h of daylight, December has the shortest days of the year.

Sunshine

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

UV index

Months with the lowest UV index in Willcox, Arizona, are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Willcox?

With an average high-temperature of 55.2°F (12.9°C) and an average low-temperature of 36.5°F (2.5°C), December is the coldest month in Willcox, Arizona.

What is the temperature in December in Willcox?

In December, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 36.5°F (2.5°C).

What is the most humid month in Willcox?

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

What is the average humidity in December in Willcox?

In Willcox, Arizona, the average relative humidity in December is 52%.

How many days does it rain in December in Willcox?

In Willcox, Arizona, in December, during 6.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When does it start snowing in Willcox?

December is the first month it typically snows in Willcox. 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?

With an average of 10.1h of daylight, December has the shortest days of the year in Willcox.

How many hours of daylight does Willcox have in December?

In December, the average length of the day in Willcox, Arizona, is 10.1h.

What is the month with the least sunshine in Willcox?

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

How long on average sun shines in December in Willcox?

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

When is the lowest UV index in Willcox?

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

What is the UV index intensity in December in Willcox?

In Willcox, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

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"

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

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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").
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).
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: 10.1h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 6.9h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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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

Months with the highest UV index are June, July and August (UV index 7).
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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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