December weather forecast
Arlington, AZ

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Weather in December

December, the first month of the winter in Arlington, is still a refreshing month, with an average temperature ranging between max 62.6°F (17°C) and min 46.8°F (8.2°C).

Temperature

With average high and low temperatures of 62.6°F (17°C) and 46.8°F (8.2°C) respectively, December is Arlington's coldest month.

Humidity

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

Rainfall

In December, in Arlington, Arizona, the rain falls for 5.4 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Arlington, during the entire year, the rain falls for 54 days and collects up to 8.07" (205mm) of precipitation.

Daylight

The month with the shortest days in Arlington is December, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:17 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:34 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 6.8h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What part of the year is the coldest in Arlington?

Arlington's temperature records reveal December as the coldest month, marked by average highs of 62.6°F (17°C) and lows of 46.8°F (8.2°C).

What is the average December temperature in Arlington?

The high-temperature, in December, in Arlington, is 62.6°F (17°C), while the low-temperature averages to 46.8°F (8.2°C).

What is the most humid month in Arlington?

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

What is the average humidity in December in Arlington?

In Arlington, the average relative humidity in December is 43%.

How much does it rain in Arlington in December?

In December, in Arlington, Arizona, the rain falls for 5.4 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

What is the month with the shortest days in Arlington?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Arlington.

How many hours of daylight does Arlington have in December?

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

When are sunrise and sunset in December in Arlington?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:34 pm MST.

What is the month with the least sunshine in Arlington?

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

How many hours of sunshine does Arlington have in December?

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

When is the lowest UV index in Arlington?

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

What is the UV index intensity in December in Arlington?

In December, the average daily maximum UV index in Arlington 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Arlington, AZ

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

The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in December: 46.8°F

The month with the highest average low temperature is August (84.2°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in December
Arlington, AZ

Average pressure in December - Arlington, AZ
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

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Average wind speed in December
Arlington, AZ

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

The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

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Average humidity in December
Arlington, AZ

Average humidity in December - Arlington, 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
Arlington, AZ

Average rainfall in December - Arlington, AZ
  • Average rainfall in December: 0.71"

The wettest months (with the highest rainfall) are August, September and October (1.14").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Arlington, AZ

Average rainfall days in December - Arlington, AZ
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is June (0.9 days).

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

Average daylight in December / Average sunshine in December - Arlington, 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).

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Average sunshine days in December
Arlington, AZ

Average sunshine days in December - Arlington, AZ
  • Average sunshine days in December: 24.8 days

The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is August (18 days).

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Average UV index in December
Arlington, AZ

Average UV index in December - Arlington, 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).

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Average cloud cover in December
Arlington, AZ

Average cloud cover in December - Arlington, 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).

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Average visibility in December
Arlington, AZ

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

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