December weather forecast and climate
Pirtleville, AZ

Weather in December

The first month of the winter, December, is still a mild month in Pirtleville, Arizona, with average temperature varying between 57.9°F (14.4°C) and 39.2°F (4°C).

Temperature

December is the coldest month, with an average high-temperature of 57.9°F (14.4°C) and an average low-temperature of 39.2°F (4°C).

Humidity

December is the most humid month, with an average relative humidity of 49%.

Rainfall

In Pirtleville, it is raining for 5.5 days, with typically 0.47" (12mm) of accumulated precipitation. In Pirtleville, during the entire year, the rain falls for 80.7 days and collects up to 9.33" (237mm) of precipitation.

Snowfall

January, February and December are months with snowfall in Pirtleville. December is the first month it typically snows in Pirtleville, Arizona. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Pirtleville, during the entire year, snow falls for 0.8 days, and aggregates up to 0.83" (21mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10.1h of daylight.

Sunshine

December has the least sunshine of the year, with an average of 7.1h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Pirtleville, Arizona. A UV Index estimate of 3 to 5 represents a moderate threat to health 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. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Pirtleville?

The coldest month is December, with an average high-temperature of 57.9°F (14.4°C) and an average low-temperature of 39.2°F (4°C).

What is the temperature in December in Pirtleville?

The average high-temperature, in December, in Pirtleville, Arizona, is 57.9°F (14.4°C), while the average low-temperature is 39.2°F (4°C).

What is the most humid month in Pirtleville?

With an average relative humidity of 49%, December is the most humid month in Pirtleville, Arizona.

What is the average humidity in December in Pirtleville?

In December, the average relative humidity in Pirtleville, Arizona, is 49%.

How many days does it rain in December in Pirtleville?

In Pirtleville, during December, the rain falls for 5.5 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When does it start to snow in Pirtleville?

December is the first month it typically snows in Pirtleville. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Pirtleville?

The month with the shortest days in Pirtleville is December, with an average of 10.1h of daylight.

How many hours of daylight does Pirtleville have in December?

In December, the average length of the day in Pirtleville, Arizona, is 10.1h.

What is the month with the least sunshine in Pirtleville?

With an average of 7.1h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Pirtleville?

In Pirtleville, the average sunshine in December is 7.1h.

What are the months with the lowest UV index in Pirtleville?

Months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

How high is the UV index in December in Pirtleville?

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

Average temperature in December
Pirtleville, AZ

Average temperature in December - Pirtleville, AZ
  • Average high temperature in December: 57.9°F

The warmest month (with the highest average high temperature) is June (93.2°F).
The month with the lowest average high temperature is December (57.9°F).

  • Average low temperature in December: 39.2°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in December
Pirtleville, AZ

Average pressure in December - Pirtleville, AZ
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in December
Pirtleville, AZ

Average wind speed in December - Pirtleville, AZ
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is May (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Pirtleville, AZ

Average humidity in December - Pirtleville, AZ
  • Average humidity in December: 49%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

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Average rainfall in December
Pirtleville, AZ

Average rainfall in December - Pirtleville, AZ
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are April and May (0.08").

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Average rainfall days in December
Pirtleville, AZ

Average rainfall days in December - Pirtleville, AZ
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is May (1.8 days).

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Average snowfall in December
Pirtleville, AZ

Average snowfall in December - Pirtleville, AZ
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.47").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Pirtleville, AZ

Average snowfall days in December - Pirtleville, AZ
  • Average snowfall days in December: 0.3 days

Months with the highest number of snowfall days are February and December (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Pirtleville, AZ
  • Average daylight in December: 10.1h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 7.1h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in December
Pirtleville, AZ

Average sunshine days in December - Pirtleville, AZ
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is May (28.9 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in December
Pirtleville, AZ

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in December
Pirtleville, AZ

Average cloud cover in December - Pirtleville, AZ
  • Average cloud cover in December: 19

The month with the most cloud cover is July (Cloud cover 21).
The month with the least cloud cover is May (Cloud cover 6).

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Average visibility in December
Pirtleville, AZ

Average visibility in December - Pirtleville, 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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