December weather forecast
Tombstone, AZ

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Weather in December

December, the first month of the winter in Tombstone, is still a mild month, with an average temperature varying between 57°F (13.9°C) and 38.1°F (3.4°C).

Temperature

Tombstone's December weather, marked by an average high temperature of 57°F (13.9°C) and an average low temperature of 38.1°F (3.4°C), is the coldest in the year.

Humidity

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

Rainfall

In Tombstone, Arizona, during December, the rain falls for 6.5 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Tombstone, during the entire year, the rain falls for 87 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

Months with snowfall in Tombstone are January through March and December. December is the first month it typically snows in Tombstone. Throughout December, in the average 1.1 snowfall days, it receives 0.87" (22mm) of snow. Throughout the year, there are 2.6 snowfall days, and 2.44" (62mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:27 pm MST.

Sunshine

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

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Tombstone. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What time of the year is the coldest in Tombstone?

December, on average, is the coldest month in Tombstone, Arizona, registering a high temperature of 57°F (13.9°C) and a low of 38.1°F (3.4°C).

What is the usual temperature for Tombstone in December?

During December, Tombstone experiences an average high-temperature of 57°F (13.9°C) and a low-temperature of 38.1°F (3.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is evaluated at 84.2°F (29°C).

What is the most humid month in Tombstone?

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

What is the average humidity in December in Tombstone?

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

How much does it rain in Tombstone in December?

In Tombstone, Arizona, in December, during 6.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When does it start to snow in Tombstone?

December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 0.87" (22mm) of snow.

What is the month with the shortest days in Tombstone?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

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

In December, the average day length is 10h and 7min.

When is the sunrise / sunset in December in Tombstone?

On the first day of December in Tombstone, Arizona, sunrise is at 7:02 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:27 pm MST.

What is the month with the least sunshine in Tombstone?

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

How many hours of sunshine does Tombstone have in December?

The average sunshine duration in December in Tombstone, Arizona, is 7h.

What is the month with the lowest UV index in Tombstone?

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

How high is the UV index in December in Tombstone?

In Tombstone, 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 unprotected exposure to UV radiation.
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
Tombstone, AZ

Average temperature in December - Tombstone, AZ
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is June (91.9°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in December
Tombstone, AZ

Average pressure in December - Tombstone, 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
Tombstone, AZ

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

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Tombstone, AZ

Average humidity in December - Tombstone, 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
Tombstone, AZ

Average rainfall in December - Tombstone, AZ
  • Average rainfall in December: 0.59"

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

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Average rainfall days in December
Tombstone, AZ

Average rainfall days in December - Tombstone, AZ
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is May (2.2 days).

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Average snowfall in December
Tombstone, AZ

Average snowfall in December - Tombstone, AZ
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Tombstone, AZ

Average snowfall days in December - Tombstone, AZ
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Tombstone, 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
Tombstone, AZ

Average sunshine days in December - Tombstone, AZ
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is May (28.3 days).
The month with the least sunshine days is July (7.9 days).

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Average UV index in December
Tombstone, AZ

Average UV index in December - Tombstone, 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, November and December (UV index 3).

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Average cloud cover in December
Tombstone, AZ

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

The month with the most cloud cover is July (Cloud cover 21).
The month with the least cloud cover is May (Cloud cover 7).

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Average visibility in December
Tombstone, AZ

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

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