December weather forecast
Naco, AZ

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Weather in December

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

Temperature

The month of December, characterized by an average high of 56.1°F (13.4°C) and a low of 37.2°F (2.9°C), is recognized as the coldest.

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 1.2 days and accumulates 1.3" (33mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:01 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:27 pm MST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the coldest month in Naco?

December is the month when Naco, Arizona, sees the average lowest temperatures, with a high of 56.1°F (13.4°C) and a low of 37.2°F (2.9°C).

What is the usual temperature for Naco in December?

The high-temperature, in December, in Naco, records 56.1°F (13.4°C), while the low-temperature is 37.2°F (2.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).

What is the most humid month in Naco?

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

What is the average humidity in December in Naco?

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

How much does it rain in Naco in December?

In Naco, in December, during 5.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When does it snow the most in Naco?

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.

How many days does it snow in December in Naco?

In Naco, Arizona, during December, snow falls for 1.2 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the month with the shortest days in Naco?

The month with the shortest days in Naco is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Naco have in December?

In Naco, the average day length in December is 10h and 9min.

What time are sunrise and sunset in December in Naco?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:27 pm MST.

What is the month with the least sunshine in Naco?

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

How long on average sun shines in December in Naco?

In Naco, the average sunshine duration in December 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.

How high is the UV index in December in Naco?

In Naco, Arizona, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
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"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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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").
The 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).
The 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: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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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

The months with the highest UV index are June and July (UV index 7).
The 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

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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Naco, Arizona, USA

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