December weather forecast
Tumacacori, AZ

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Weather in December

December, the first month of the winter in Tumacacori, is still a mild month, with an average temperature fluctuating between 39.9°F (4.4°C) and 59.2°F (15.1°C).

Temperature

In Tumacacori, the month of December is known for its lowest average temperatures, reaching a high of 59.2°F (15.1°C) and a low of 39.9°F (4.4°C).

Humidity

In Tumacacori, the average relative humidity in December is 48%.

Rainfall

In Tumacacori, during December, the rain falls for 5.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Tumacacori, during the entire year, the rain falls for 87.8 days and collects up to 15.43" (392mm) of precipitation.

Snowfall

January through March and December are months with snowfall. The month with the most snowfall in Tumacacori is December, when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year in Tumacacori.
On the first day of December, sunrise is at 7:06 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:31 pm MST.

Sunshine

The month with the least sunshine in Tumacacori is December, with an average of 6.9h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Tumacacori. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are the coldest months in Tumacacori?

In Tumacacori, December records the average lowest temperatures, peaking at 59.2°F (15.1°C) and reaching a low of 39.9°F (4.4°C).

What are the temperatures in Tumacacori in December?

Tumacacori in December has an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 39.9°F (4.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 84.2°F (29°C).

What is the average humidity in December in Tumacacori?

In Tumacacori, Arizona, the average relative humidity in December is 48%.

How much does it rain in Tumacacori in December?

In Tumacacori, in December, it is raining for 5.7 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it snow the most in Tumacacori?

The month with the most snowfall in Tumacacori, Arizona, is December, when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.

When does it start snowing in Tumacacori?

December is the first month it typically snows in Tumacacori, Arizona. Throughout December, in the average 0.7 snowfall days, it receives 1.06" (27mm) of snow.

What is the month with the shortest days in Tumacacori?

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

How many hours of daylight does Tumacacori have in December?

In December, the average day length in Tumacacori, Arizona, is 10h and 8min.

What time are sunrise and sunset in December in Tumacacori?

On the first day of December in Tumacacori, sunrise is at 7:06 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:31 pm MST.

What is the month with the least sunshine in Tumacacori?

December has the least sunshine of the year in Tumacacori, with an average of 6.9h of sunshine.

How long on average sun shines in December in Tumacacori?

The average sunshine duration in December is 6.9h.

When is the lowest UV index in Tumacacori?

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

What is the UV index intensity in December in Tumacacori?

In December, the average daily maximum UV index in Tumacacori, Arizona, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Tumacacori, AZ

Average temperature in December - Tumacacori, AZ
  • Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in December: 39.9°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

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Average pressure in December
Tumacacori, AZ

Average pressure in December - Tumacacori, AZ
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in December
Tumacacori, AZ

Average wind speed in December - Tumacacori, AZ
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Tumacacori, AZ

Average humidity in December - Tumacacori, AZ
  • Average humidity in December: 48%

The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).

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Average rainfall in December
Tumacacori, AZ

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

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").

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Average rainfall days in December
Tumacacori, AZ

Average rainfall days in December - Tumacacori, AZ
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).

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Average snowfall in December
Tumacacori, AZ

Average snowfall in December - Tumacacori, AZ
  • Average snowfall in December: 1.06"

The month with the highest snowfall is December (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
Tumacacori, AZ

Average snowfall days in December - Tumacacori, AZ
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (0.8 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
Tumacacori, AZ

Average daylight in December / Average sunshine in December - Tumacacori, 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: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in December
Tumacacori, AZ

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

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).

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Average UV index in December
Tumacacori, AZ

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

The months with the highest UV index are June and August (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
Tumacacori, AZ

Average cloud cover in December - Tumacacori, AZ
  • Average cloud cover in December: 21

The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).

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Average visibility in December
Tumacacori, AZ

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

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