December weather forecast
Peoria, AZ

Weather in December

The first month of the winter, December, is also an enjoyable month in Peoria, Arizona, with an average temperature varying between 61.9°F (16.6°C) and 46.8°F (8.2°C).

Temperature

With an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 46.8°F (8.2°C), December is the coldest month.

Humidity

With an average relative humidity of 43%, December is the most humid month in Peoria.

Rainfall

In Peoria, during December, the rain falls for 6 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 59.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Daylight

With an average of 9h and 58min of daylight, December has the shortest days of the year in Peoria.
On the first day of December, sunrise is at 7:15 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:33 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.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Peoria?

The coldest month in Peoria, Arizona, is December, with an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 46.8°F (8.2°C).

What is the temperature in December in Peoria?

The average high-temperature, in December, in Peoria, is 61.9°F (16.6°C), while the average low-temperature is 46.8°F (8.2°C).

What is the most humid month in Peoria?

December is the most humid month, with an average relative humidity of 43%.

What is the average humidity in December in Peoria?

The average relative humidity in December in Peoria is 43%.

How many days does it rain in December in Peoria?

In Peoria, in December, during 6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

What is the month with the shortest days in Peoria?

December has the shortest days of the year, with an average of 9h and 58min of daylight.

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

The average day length in December in Peoria, Arizona, is 9h and 58min.

When is the sunrise / sunset in December in Peoria?

On the first day of December in Peoria, Arizona, sunrise is at 7:15 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:30 pm MST.

What is the month with the least sunshine in Peoria?

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

How long on average sun shines in December in Peoria?

In Peoria, the average sunshine duration in December is 6.8h.

When is the lowest UV index in Peoria?

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

What is the UV index intensity in December in Peoria?

In Peoria, Arizona, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Peoria, AZ

Average temperature in December - Peoria, AZ
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in December: 46.8°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in December
Peoria, AZ

Average pressure in December - Peoria, 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 (29.8"Hg).

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Average wind speed in December
Peoria, AZ

Average wind speed in December - Peoria, AZ
  • Average wind speed in December: 4.6mph

The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

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Average humidity in December
Peoria, AZ

Average humidity in December - Peoria, AZ
  • Average humidity in December: 43%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in December
Peoria, AZ

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

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Peoria, AZ

Average rainfall days in December - Peoria, AZ
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in December / Average sunshine in December - Peoria, AZ
  • Average daylight in December: 9h and 58min

The month with the longest days is June (Average daylight: 14h and 21min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in December: 6h and 48min

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).

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Average sunshine days in December
Peoria, AZ

Average sunshine days in December - Peoria, AZ
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).

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Average UV index in December
Peoria, AZ

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

The 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
Peoria, AZ

Average cloud cover in December - Peoria, 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
Peoria, AZ

Average visibility in December - Peoria, 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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