December weather forecast and climate
McVay, AZ

Weather in December

The first month of the winter, December, is also an enjoyable month in McVay, Arizona, with average temperature ranging between max 61°F (16.1°C) and min 47.3°F (8.5°C).

Temperature

The coldest month is December, with an average high-temperature of 61°F (16.1°C) and an average low-temperature of 47.3°F (8.5°C).

Humidity

Months with the highest humidity are January and December, with an average relative humidity of 40%.

Rainfall

In December, the rain falls for 4.4 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. Throughout the year, in McVay, there are 47.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.9h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 7h of sunshine.

UV index

December is the month with the lowest UV index in McVay, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in McVay?

December is the coldest month, with an average high-temperature of 61°F (16.1°C) and an average low-temperature of 47.3°F (8.5°C).

What is the temperature in December in McVay?

The average high-temperature, in December, is 61°F (16.1°C), while the average low-temperature is 47.3°F (8.5°C).

What is the most humid month in McVay?

January and December, with an average relative humidity of 40%, are most humid months in McVay, Arizona.

What is the average humidity in December in McVay?

The average relative humidity in December is 40%.

How much does it rain in McVay in December?

In McVay, in December, it is raining for 4.4 days, with typically 0.35" (9mm) of accumulated precipitation.

What is the month with the shortest days in McVay?

With an average of 9.9h of daylight, December has the shortest days of the year.

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

In December, the average length of the day in McVay, Arizona, is 9.9h.

What is the month with the least sunshine in McVay?

The month with the least sunshine in McVay is December, with an average of 7h of sunshine.

How many hours of sunshine does McVay have in December?

In McVay, the average sunshine in December is 7h.

When is the lowest UV index in McVay?

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

What is the UV index intensity in December in McVay?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in December
McVay, AZ

Average temperature in December - McVay, AZ
  • Average high temperature in December: 61°F

The warmest month (with the highest average high temperature) is July (103.1°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in December: 47.3°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

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Average pressure in December
McVay, AZ

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

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.74").

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Average wind speed in December
McVay, AZ

Average wind speed in December - McVay, AZ
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest months (with the lowest average wind speed) are January, November and December (6mph).

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Average humidity in December
McVay, AZ

Average humidity in December - McVay, AZ
  • Average humidity in December: 40%

Months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in December
McVay, AZ

Average rainfall in December - McVay, AZ
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0.08").

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Average rainfall days in December
McVay, AZ

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

The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is May (1.4 days).

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

Average daylight in December / Average sunshine in December - McVay, AZ
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 7h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in December
McVay, AZ

Average sunshine days in December - McVay, AZ
  • Average sunshine days in December: 26.2 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is August (19.5 days).

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Average UV index in December
McVay, AZ

Average UV index in December - McVay, 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
McVay, AZ

Average cloud cover in December - McVay, AZ
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
McVay, AZ

Average visibility in December - McVay, 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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