December weather forecast
Greenwood, AZ

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Weather in December

The first month of the winter, December, is still a cool month in Greenwood, Arizona, with an average temperature ranging between max 54.5°F (12.5°C) and min 38.5°F (3.6°C).

Temperature

In Greenwood, December records the lowest average temperatures, peaking at 54.5°F (12.5°C) and reaching a low of 38.5°F (3.6°C).

Humidity

The most humid month in Greenwood is December, with an average relative humidity of 48%.

Rainfall

In December, the rain falls for 5.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Greenwood, during the entire year, the rain falls for 61.1 days and collects up to 8.31" (211mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, in Greenwood, it is snowing for 0.6 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, in Greenwood, there are 2.8 snowfall days, and 3.74" (95mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of December, in Greenwood, sunrise is at 7:40 am and sunset at 5:34 pm MST.

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Greenwood?

December is Greenwood's coldest month, registering average high temperatures of 54.5°F (12.5°C) and lows of 38.5°F (3.6°C).

What are December temperatures in Greenwood?

The average high-temperature and low-temperature in Greenwood during December are 54.5°F (12.5°C) and 38.5°F (3.6°C) respectively.

What is the most humid month in Greenwood?

With an average relative humidity of 48%, December is the most humid month in Greenwood.

What is the average humidity in December in Greenwood?

In Greenwood, the average relative humidity in December is 48%.

How much does it rain in Greenwood in December?

In Greenwood, in December, during 5.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December in Greenwood?

In Greenwood, during December, snow falls for 0.6 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days in Greenwood?

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

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

In Greenwood, the average day length in December is 9h and 53min.

When is the sunrise / sunset in December in Greenwood?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of the month, in Greenwood, Arizona, sunrise is at 7:40 am and sunset at 5:34 pm MST.

What is the month with the least sunshine in Greenwood?

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

How long on average sun shines in December in Greenwood?

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

When is the lowest UV index in Greenwood?

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

How high is the UV index in December in Greenwood?

In Greenwood, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Greenwood, AZ

Average temperature in December - Greenwood, AZ
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).

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Average pressure in December
Greenwood, AZ

Average pressure in December - Greenwood, AZ
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

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Average wind speed in December
Greenwood, AZ

Average wind speed in December - Greenwood, AZ
  • Average wind speed in December: 6.1mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).

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Average humidity in December
Greenwood, AZ

Average humidity in December - Greenwood, AZ
  • Average humidity in December: 48%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (19%).

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Average rainfall in December
Greenwood, AZ

Average rainfall in December - Greenwood, AZ
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Greenwood, AZ

Average rainfall days in December - Greenwood, AZ
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall in December
Greenwood, AZ

Average snowfall in December - Greenwood, AZ
  • Average snowfall in December: 0.43"

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

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Average snowfall days in December
Greenwood, AZ

Average snowfall days in December - Greenwood, AZ
  • Average snowfall days in December: 0.6 days

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

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

Average daylight in December / Average sunshine in December - Greenwood, 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 month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in December
Greenwood, AZ

Average sunshine days in December - Greenwood, AZ
  • Average sunshine days in December: 24 days

The months with the most sunshine days are May and June (28.1 days).
The month with the least sunshine days is August (15.4 days).

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Average UV index in December
Greenwood, AZ

Average UV index in December - Greenwood, 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).

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Average cloud cover in December
Greenwood, AZ

Average cloud cover in December - Greenwood, AZ
  • Average cloud cover in December: 21

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Greenwood, AZ

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

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