December weather forecast and climate
Coolidge, AZ

Weather in December

December, the first month of the winter, in Coolidge, is also an enjoyable month, with average temperature fluctuating between 47.1°F (8.4°C) and 63.1°F (17.3°C).

Temperature

December is the coldest month, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.1°F (8.4°C).

Humidity

With an average relative humidity of 44%, December is the most humid month in Coolidge.

Rainfall

In December, the rain falls for 5.4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 50.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Coolidge, Arizona, is December, with an average of 10h of daylight.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the coldest month in Coolidge?

December is the coldest month, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.1°F (8.4°C).

What is the temperature in December in Coolidge?

In Coolidge, Arizona, in December, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 47.1°F (8.4°C).

What is the most humid month in Coolidge?

The most humid month in Coolidge is December, with an average relative humidity of 44%.

What is the average humidity in December in Coolidge?

The average relative humidity in December in Coolidge, Arizona, is 44%.

How much does it rain in Coolidge in December?

In Coolidge, in December, during 5.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the month with the shortest days in Coolidge?

The month with the shortest days in Coolidge, Arizona, is December, with an average of 10h of daylight.

How many hours of daylight does Coolidge have in December?

In Coolidge, the average length of the day in December is 10h.

What is the month with the least sunshine in Coolidge?

The month with the least sunshine is December, with an average of 6.8h of sunshine.

How long on average sun shines in December in Coolidge?

The average sunshine in December in Coolidge is 6.8h.

When is the lowest UV index in Coolidge?

December is the month with the lowest UV index in Coolidge, Arizona, with an average maximum UV index of 3.

How high is the UV index in December in Coolidge?

In Coolidge, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in December
Coolidge, AZ

Average temperature in December - Coolidge, AZ
  • Average high temperature in December: 63.1°F

The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in December: 47.1°F

The month with the highest average low temperature is August (82.8°F).
The coldest month (with the lowest average low temperature) is January (46.8°F).

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Average pressure in December
Coolidge, AZ

Average pressure in December - Coolidge, AZ
  • Average pressure in December: 30.05"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in December
Coolidge, AZ

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

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).

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Average humidity in December
Coolidge, AZ

Average humidity in December - Coolidge, AZ
  • Average humidity in December: 44%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in December
Coolidge, AZ

Average rainfall in December - Coolidge, AZ
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is February (0.91").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Coolidge, AZ

Average rainfall days in December - Coolidge, AZ
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in December / Average sunshine in December - Coolidge, AZ
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.8h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in December
Coolidge, AZ

Average sunshine days in December - Coolidge, AZ
  • Average sunshine days in December: 25.4 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (19.8 days).

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Average UV index in December
Coolidge, AZ

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

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Coolidge, AZ

Average cloud cover in December - Coolidge, 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 6).

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Average visibility in December
Coolidge, AZ

Average visibility in December - Coolidge, 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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