December weather forecast
Mayer, AZ

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Weather in December

December, the first month of the winter in Mayer, is also a fresh month, with an average temperature varying between 50°F (10°C) and 31.1°F (-0.5°C).

Temperature

Mayer records the coldest temperatures in December, averaging a high of 50°F (10°C) and a low of 31.1°F (-0.5°C).

Humidity

December is the most humid month, with an average relative humidity of 58%.

Rainfall

In December, the rain falls for 4.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Mayer, Arizona, during the entire year, the rain falls for 74.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

Months with snowfall are January through May, September, November and December. In Mayer, in December, during 4.8 snowfall days, 5.12" (130mm) of snow is typically accumulated. In Mayer, during the entire year, snow falls for 16.4 days and aggregates up to 19.37" (492mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:17 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:29 pm MST.

Sunshine

December has the least sunshine of the year in Mayer, with an average of 6.8h of 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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in Mayer?

December, having an average high-temperature of 50°F (10°C) and an average low-temperature of 31.1°F (-0.5°C), is the coldest month.

What are the temperatures in Mayer in December?

In Mayer, 50°F (10°C) is the average high-temperature and 31.1°F (-0.5°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 80.6°F (27°C).

What is the most humid month in Mayer?

December is the most humid month, with an average relative humidity of 58%.

What is the average humidity in December in Mayer?

The average relative humidity in December in Mayer is 58%.

How many days does it rain in December in Mayer?

In December, in Mayer, the rain falls for 4.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

How much does it snow in Mayer in December?

In Mayer, in December, during 4.8 snowfall days, 5.12" (130mm) of snow is typically accumulated.

What is the month with the shortest days in Mayer?

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

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

In December, the average day length is 9h and 54min.

What time are sunrise and sunset in December in Mayer?

On the first day of December, sunrise is at 7:17 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:29 pm MST.

What is the month with the least sunshine in Mayer?

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

How many hours of sunshine does Mayer have in December?

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

When is the lowest UV index in Mayer?

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

What is the UV index reading in December in Mayer?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Mayer, AZ

Average temperature in December - Mayer, AZ
  • Average high temperature in December: 50°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°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).

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Average pressure in December
Mayer, AZ

Average pressure in December - Mayer, AZ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Mayer, AZ

Average wind speed in December - Mayer, AZ
  • Average wind speed in December: 5.6mph

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Mayer, AZ

Average humidity in December - Mayer, AZ
  • Average humidity in December: 58%

The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in December
Mayer, AZ

Average rainfall in December - Mayer, AZ
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in December
Mayer, AZ

Average rainfall days in December - Mayer, AZ
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is June (1.8 days).

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Average snowfall in December
Mayer, AZ

Average snowfall in December - Mayer, AZ
  • Average snowfall in December: 5.12"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and October (0").

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Average snowfall days in December
Mayer, AZ

Average snowfall days in December - Mayer, AZ
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).

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

Average daylight in December / Average sunshine in December - Mayer, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Mayer, AZ

Average sunshine days in December - Mayer, AZ
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is August (13.2 days).

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Average UV index in December
Mayer, AZ

Average UV index in December - Mayer, 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
Mayer, AZ

Average cloud cover in December - Mayer, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Mayer, AZ

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

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