December weather forecast
Tonto Basin, AZ

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Weather in December

December, the first month of the winter in Tonto Basin, is still a cool month, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 31.5°F (-0.3°C).

Temperature

December, known for its average high temperature of 50.2°F (10.1°C) and an average low temperature of 31.5°F (-0.3°C), is the coldest month.

Humidity

The months with the highest humidity in Tonto Basin, Arizona, are January and December, with an average relative humidity of 58%.

Rainfall

In December, in Tonto Basin, the rain falls for 6.1 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. In Tonto Basin, during the entire year, the rain falls for 85.7 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

Months with snowfall in Tonto Basin are January through April, November and December. In December, it is snowing for 4.3 days. Throughout December, 5.39" (137mm) of snow is accumulated. In Tonto Basin, during the entire year, snow falls for 13.6 days and aggregates up to 19.49" (495mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm MST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year in Tonto Basin.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Tonto Basin?

The lowest temperatures are recorded in December, with averages reaching a high of 50.2°F (10.1°C) and a low of 31.5°F (-0.3°C).

What is the average December temperature in Tonto Basin?

December temperatures vary between a high-temperature of 50.2°F (10.1°C) and a low-temperature of 31.5°F (-0.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 80.6°F (27°C).

What are the most humid months in Tonto Basin?

The months with the highest humidity are January and December, with an average relative humidity of 58%.

What is the average humidity in December in Tonto Basin?

The average relative humidity in December is 58%.

How much does it rain in Tonto Basin in December?

In Tonto Basin, Arizona, in December, it is raining for 6.1 days, with typically 1.38" (35mm) of accumulated precipitation.

How many days does it snow in December in Tonto Basin?

In December, in Tonto Basin, Arizona, it is snowing for 4.3 days. Throughout December, 5.39" (137mm) of snow is accumulated.

What is the month with the shortest days in Tonto Basin?

The month with the shortest days in Tonto Basin is December, with an average of 9h and 54min of daylight.

What is the average length of the day in December in Tonto Basin?

In Tonto Basin, Arizona, the average day length in December is 9h and 57min.

When are sunrise and sunset in December in Tonto Basin?

On the first day of December in Tonto Basin, sunrise is at 7:12 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm MST.

What is the month with the least sunshine in Tonto Basin?

The month with the least sunshine in Tonto Basin, Arizona, is December, with an average of 6.6h of sunshine.

How long on average sun shines in December in Tonto Basin?

In December, the average sunshine duration is 6.6h.

When is the lowest UV index in Tonto Basin?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Tonto Basin, Arizona.

What is the UV index intensity in December in Tonto Basin?

In Tonto Basin, Arizona, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Tonto Basin, AZ

Average temperature in December - Tonto Basin, AZ
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (50.2°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest months (with the lowest average low temperature) are January and December (31.5°F).

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Average pressure in December
Tonto Basin, AZ

Average pressure in December - Tonto Basin, AZ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Tonto Basin, AZ

Average wind speed in December - Tonto Basin, AZ
  • Average wind speed in December: 5.7mph

The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Tonto Basin, AZ

Average humidity in December - Tonto Basin, AZ
  • Average humidity in December: 58%

The months with the highest relative humidity are January and December (58%).
The month with the lowest relative humidity is June (24%).

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Average rainfall in December
Tonto Basin, AZ

Average rainfall in December - Tonto Basin, AZ
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is June (0.24").

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Average rainfall days in December
Tonto Basin, AZ

Average rainfall days in December - Tonto Basin, AZ
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is June (3.3 days).

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Average snowfall in December
Tonto Basin, AZ

Average snowfall in December - Tonto Basin, AZ
  • Average snowfall in December: 5.39"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Tonto Basin, AZ

Average snowfall days in December - Tonto Basin, AZ
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is December (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Tonto Basin, AZ

Average daylight in December / Average sunshine in December - Tonto Basin, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Tonto Basin, AZ

Average sunshine days in December - Tonto Basin, AZ
  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (9.1 days).

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Average UV index in December
Tonto Basin, AZ

Average UV index in December - Tonto Basin, AZ
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Tonto Basin, AZ

Average cloud cover in December - Tonto Basin, AZ
  • Average cloud cover in December: 24

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in December
Tonto Basin, AZ

Average visibility in December - Tonto Basin, 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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Tonto Basin, Arizona, USA

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