December weather forecast
Marana, AZ

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Weather in December

December witnesses the advent of winter characterized by a sharp drop in average high temperatures to 61.9°F (16.6°C) in Marana. With the lowest daylight hours of 10.1h and shortest sunshine duration of 6.8h, the aura of winter becomes much stronger compared to November. Consequently, these conditions bring a heightened chill in the air, amplified by an average minimum temperature of 44.6°F (7°C). Rainfall, however, sees a slight increase, setting in the wettest part of the year. The temperature, humidity, and pressure provide an essential outlook of the typical winter in Marana, marking the end of the year on a cooler note.

Temperature

In Marana, Arizona, the lowest temperatures are generally noted in December, averaging a high of 61.9°F (16.6°C) and a low of 44.6°F (7°C).

Humidity

December is the most humid month, with an average relative humidity of 45%.

Rainfall

In Marana, in December, during 6.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Marana, during the entire year, the rain falls for 71.5 days and collects up to 9.72" (247mm) of precipitation.

Daylight

The month with the shortest days in Marana is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:30 pm MST.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Marana. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What time of the year is the coldest in Marana?

The coldest temperatures in Marana occur during December, when averages reach a peak of 61.9°F (16.6°C) and a low of 44.6°F (7°C).

What is the temperature in December in Marana?

An average high-temperature, in December, in Marana, is 61.9°F (16.6°C) and the average low-temperature is 44.6°F (7°C).

What is the most humid month in Marana?

The most humid month in Marana is December, with an average relative humidity of 45%.

What is the average humidity in December in Marana?

The average relative humidity in December in Marana, Arizona, is 45%.

How many days does it rain in December in Marana?

In Marana, Arizona, in December, it is raining for 6.4 days, with typically 0.87" (22mm) of accumulated precipitation.

What is the month with the shortest days in Marana?

December has the shortest days of the year in Marana, Arizona, with an average of 10h and 6min of daylight.

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

In December, the average day length in Marana is 10h and 4min.

When are sunrise and sunset in December in Marana?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:30 pm MST.

What is the month with the least sunshine in Marana?

December has the least sunshine of the year, with an average of 6.8h of sunshine.

How long on average sun shines in December in Marana?

In Marana, Arizona, the average sunshine duration in December is 6.8h.

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

With an average maximum UV index of 3, December is the month with the lowest UV index in Marana.

What is the UV index reading in December in Marana?

In Marana, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Marana, AZ

Average temperature in December - Marana, AZ
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in December: 44.6°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).

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Average pressure in December
Marana, AZ

Average pressure in December - Marana, AZ
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in December
Marana, AZ

Average wind speed in December - Marana, AZ
  • Average wind speed in December: 5.5mph

The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

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Average humidity in December
Marana, AZ

Average humidity in December - Marana, AZ
  • Average humidity in December: 45%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in December
Marana, AZ

Average rainfall in December - Marana, AZ
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").

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Average rainfall days in December
Marana, AZ

Average rainfall days in December - Marana, AZ
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).

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

Average daylight in December / Average sunshine in December - Marana, 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 August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Marana, AZ

Average sunshine days in December - Marana, AZ
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).

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Average UV index in December
Marana, AZ

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

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Marana, AZ

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

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in December
Marana, AZ

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

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