December weather forecast
Cottonwood, AZ

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Weather in December

The first month of the winter, December, is still a cool month in Cottonwood, Arizona, with an average temperature fluctuating between 50.7°F (10.4°C) and 31.8°F (-0.1°C).

Temperature

Cottonwood's December weather, marked by an average high temperature of 50.7°F (10.4°C) and an average low temperature of 31.8°F (-0.1°C), is the coldest in the year.

Humidity

December is the most humid month, with an average relative humidity of 57%.

Rainfall

In Cottonwood, in December, during 6.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Cottonwood, there are 79 rainfall days, and 11.42" (290mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, September, November and December. December is the month with the most snowfall. Snow falls for 3.5 days and accumulates 4.02" (102mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:17 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:27 pm MST.

Sunshine

January and December, with an average of 6.9h of sunshine, are months with the least sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What month is the coldest in Cottonwood?

December brings the lowest temperatures, with an average high of 50.7°F (10.4°C) and an average low of 31.8°F (-0.1°C).

What is the usual temperature for Cottonwood in December?

The high-temperature, in December, in Cottonwood, is 50.7°F (10.4°C), while the low-temperature averages to 31.8°F (-0.1°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 80.6°F (27°C).

What is the most humid month in Cottonwood?

The most humid month in Cottonwood, Arizona, is December, with an average relative humidity of 57%.

What is the average humidity in December in Cottonwood?

In December, the average relative humidity in Cottonwood, Arizona, is 57%.

How many days does it rain in December in Cottonwood?

In Cottonwood, Arizona, during December, the rain falls for 6.7 days and regularly aggregates up to 1.22" (31mm) of precipitation.

What is the snowiest month in Cottonwood?

The month with the most snowfall in Cottonwood is December, when snow falls for 3.5 days and typically aggregates up to 4.02" (102mm) of snow.

How much does it snow in Cottonwood in December?

In Cottonwood, Arizona, in December, during 3.5 snowfall days, 4.02" (102mm) of snow is typically accumulated.

What is the month with the shortest days in Cottonwood?

December has the shortest days of the year in Cottonwood, with an average of 9h and 54min of daylight.

What is the average length of the day in December in Cottonwood?

The average day length in December in Cottonwood, Arizona, is 9h and 52min.

When are sunrise and sunset in December in Cottonwood?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:27 pm MST.

What is the month with the least sunshine in Cottonwood?

January and December, with an average of 6.9h of sunshine, are months with the least sunshine in Cottonwood.

How many hours of sunshine does Cottonwood have in December?

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

When is the lowest UV index in Cottonwood?

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

What is the UV index intensity in December in Cottonwood?

In Cottonwood, Arizona, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Cottonwood, AZ

Average temperature in December - Cottonwood, AZ
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (50.7°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).

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Average pressure in December
Cottonwood, AZ

Average pressure in December - Cottonwood, AZ
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Cottonwood, AZ

Average wind speed in December - Cottonwood, AZ
  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are April and May (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Cottonwood, AZ

Average humidity in December - Cottonwood, AZ
  • Average humidity in December: 57%

The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in December
Cottonwood, AZ

Average rainfall in December - Cottonwood, AZ
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in December
Cottonwood, AZ

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

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall in December
Cottonwood, AZ

Average snowfall in December - Cottonwood, AZ
  • Average snowfall in December: 4.02"

The month with the highest snowfall is December (4.02").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in December
Cottonwood, AZ

Average snowfall days in December - Cottonwood, AZ
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in December / Average sunshine in December - Cottonwood, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 54min).

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Average sunshine days in December
Cottonwood, AZ

Average sunshine days in December - Cottonwood, AZ
  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is August (11.5 days).

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Average UV index in December
Cottonwood, AZ

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

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Cottonwood, AZ

Average cloud cover in December - Cottonwood, AZ
  • Average cloud cover in December: 22

The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Cottonwood, AZ

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

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