December weather forecast
Chandler, AZ

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Weather in December

Winter steps into Chandler in December with temperatures diving down from 46.9°F (8.3°C) to 62.6°F (17°C). The city observes the highest rise in humidity, creating a stark contrast against the otherwise dry conditions. December hosts the minimum daylight hours of the year attracting chilly days and frosty nights. Despite the substantial cloud cover, precipitation is scanty. Winds slow down to the lowest speed making the Arizona winter a relatively calm experience.

Temperature

With average temperatures fluctuating between a high of 62.6°F (17°C) and a low of 46.9°F (8.3°C), December stands out as the coldest month in Chandler, Arizona.

Humidity

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

Rainfall

In Chandler, in December, it is raining for 6.7 days, with typically 0.91" (23mm) of accumulated precipitation. In Chandler, during the entire year, the rain falls for 60.4 days and collects up to 8.15" (207mm) of precipitation.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Chandler.
On the first day of December in Chandler, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:30 pm MST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What are the coldest months in Chandler?

December is the coldest month of the year in Chandler, registering average temperatures as high as 62.6°F (17°C) and as low as 46.9°F (8.3°C).

What are December temperatures in Chandler?

The average high-temperature and low-temperature in Chandler during December are 62.6°F (17°C) and 46.9°F (8.3°C) respectively.

What is the most humid month in Chandler?

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

What is the average humidity in December in Chandler?

In December, the average relative humidity in Chandler, Arizona, is 44%.

How many days does it rain in December in Chandler?

In Chandler, Arizona, during December, the rain falls for 6.7 days and regularly aggregates up to 0.91" (23mm) of precipitation.

What is the month with the shortest days in Chandler?

The month with the shortest days in Chandler, Arizona, is December, with an average of 10h and 0min of daylight.

How many hours of daylight does Chandler have in December?

In December, the average day length in Chandler, Arizona, is 9h and 59min.

When are sunrise and sunset in December in Chandler?

On the first day of December, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:30 pm MST.

What is the month with the least sunshine in Chandler?

December has the least sunshine of the year in Chandler, with an average of 6.8h of sunshine.

How long on average sun shines in December in Chandler?

The average sunshine duration in December in Chandler, Arizona, is 6.8h.

What is the month with the lowest UV index in Chandler?

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

What is the UV index reading in December in Chandler?

In December, the average daily maximum UV index in Chandler is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chandler, AZ

Average temperature in December - Chandler, AZ
  • Average high temperature in December: 62.6°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).

Average pressure in December
Chandler, AZ

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

Average wind speed in December
Chandler, AZ

Average wind speed in December - Chandler, AZ
  • Average wind speed in December: 4.4mph

The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

Average humidity in December
Chandler, AZ

Average humidity in December - Chandler, 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 (16%).

Average rainfall in December
Chandler, AZ

Average rainfall in December - Chandler, AZ
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in December
Chandler, AZ

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

The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in December / Average sunshine in December - Chandler, AZ
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December
Chandler, AZ

Average sunshine days in December - Chandler, AZ
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.3 days).

Average UV index in December
Chandler, AZ

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

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

Average cloud cover in December
Chandler, AZ

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

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Chandler, AZ

Average visibility in December - Chandler, 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).

Chandler, Arizona, USA

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