December weather forecast and climate
Naco, AZ

Weather in December

The first month of the winter, December, is still a mild month in Naco, Arizona, with average temperature fluctuating between 37.2°F (2.9°C) and 56.1°F (13.4°C).

Temperature

The coldest month is December, with an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 37.2°F (2.9°C).

Humidity

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

Rainfall

In December, the rain falls for 5.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Naco, Arizona, during the entire year, the rain falls for 82 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall in Naco is December when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

Daylight

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

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year in Naco.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Naco?

With an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 37.2°F (2.9°C), December is the coldest month.

What is the most humid month in Naco?

The most humid month in Naco is December, with an average relative humidity of 49%.

What is the average humidity in December in Naco?

In December, the average relative humidity is 49%.

How many days does it rain in December in Naco?

In Naco, Arizona, in December, it is raining for 5.1 days, with typically 0.55" (14mm) of accumulated precipitation.

When does it snow the most in Naco?

The month with the most snowfall in Naco, Arizona, is December when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

How much does it snow in Naco in December?

In Naco, Arizona, in December, snow falls for 1.2 days, with typically accumulated 1.3" (33mm) of snow.

What is the month with the shortest days in Naco?

With an average of 10.1h of daylight, December has the shortest days of the year in Naco.

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

The average length of the day in December in Naco is 10.1h.

What is the month with the least sunshine in Naco?

With an average of 7h of sunshine, December has the least sunshine of the year in Naco.

How many hours of sunshine does Naco have in December?

The average sunshine in December in Naco is 7h.

When is the lowest UV index in Naco?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Naco.

What is the UV index reading in December in Naco?

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

Average temperature in December
Naco, AZ

Average temperature in December - Naco, AZ
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure in December
Naco, AZ

Average pressure in December - Naco, 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 (29.85").

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Average wind speed in December
Naco, AZ

Average wind speed in December - Naco, AZ
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Naco, AZ

Average humidity in December - Naco, 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
Naco, AZ

Average rainfall in December - Naco, AZ
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

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Average rainfall days in December
Naco, AZ

Average rainfall days in December - Naco, AZ
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

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Average snowfall in December
Naco, AZ

Average snowfall in December - Naco, AZ
  • Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Naco, AZ

Average snowfall days in December - Naco, AZ
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is December (1.2 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Naco, 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: 7h

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

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Average sunshine days in December
Naco, AZ

Average sunshine days in December - Naco, AZ
  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in December
Naco, AZ

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

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

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Average cloud cover in December
Naco, AZ

Average cloud cover in December - Naco, AZ
  • Average cloud cover in December: 20

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

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Average visibility in December
Naco, AZ

Average visibility in December - Naco, 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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