December weather forecast
Miami, AZ

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Weather in December

The first month of the winter, December, is still a refreshing month in Miami, Arizona, with an average temperature fluctuating between 38.3°F (3.5°C) and 55.6°F (13.1°C).

Temperature

In Miami, December is the coldest month, with temperatures averaging a high of 55.6°F (13.1°C) and a low of 38.3°F (3.5°C).

Humidity

The most humid month in Miami, Arizona, is December, with an average relative humidity of 52%.

Rainfall

In December, in Miami, the rain falls for 7.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Miami, during the entire year, the rain falls for 90.6 days and collects up to 14.88" (378mm) of precipitation.

Snowfall

Months with snowfall in Miami are January through April, November and December. In December, in Miami, it is snowing for 1.8 days. Throughout December, 1.69" (43mm) of snow is accumulated. Throughout the year, there are 4.4 snowfall days, and 5.98" (152mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of December in Miami, Arizona, sunrise is at 7:09 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:26 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are the coldest months in Miami?

Miami experiences its average lowest temperatures in December, reaching a peak of 55.6°F (13.1°C) and a minimum of 38.3°F (3.5°C).

What are the temperatures in Miami in December?

The high-temperature, in December, in Miami, records 55.6°F (13.1°C), while the low-temperature is 38.3°F (3.5°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the most humid month in Miami?

December is the most humid month in Miami, with an average relative humidity of 52%.

What is the average humidity in December in Miami?

The average relative humidity in December is 52%.

How many days does it rain in December in Miami?

In December, in Miami, the rain falls for 7.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

How many days does it snow in December in Miami?

In Miami, in December, snow falls for 1.8 days, with typically accumulated 1.69" (43mm) of snow.

What is the month with the shortest days in Miami?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Miami.

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

In Miami, Arizona, the average day length in December is 9h and 59min.

What time are sunrise and sunset in December in Miami?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:15 pm. On the last day of the month, in Miami, Arizona, sunrise is at 7:27 am and sunset at 5:26 pm MST.

What is the month with the least sunshine in Miami?

The month with the least sunshine in Miami is December, with an average of 6.5h of sunshine.

How many hours of sunshine does Miami have in December?

In Miami, the average sunshine duration in December is 6.5h.

When is the lowest UV index in Miami?

With an average maximum UV index of 2, December is the month with the lowest UV index in Miami.

What is the UV index reading in December in Miami?

The average daily maximum UV index in December in Miami, Arizona, is 2. A UV Index value of 2, and less, symbolizes a minimal 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
Miami, AZ

Average temperature in December - Miami, AZ
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is August (73.2°F).
The coldest months (with the lowest average low temperature) are January and December (38.3°F).

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Average pressure in December
Miami, AZ

Average pressure in December - Miami, AZ
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Miami, AZ

Average wind speed in December - Miami, AZ
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Miami, AZ

Average humidity in December - Miami, AZ
  • Average humidity in December: 52%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in December
Miami, AZ

Average rainfall in December - Miami, AZ
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is June (0.24").

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Average rainfall days in December
Miami, AZ

Average rainfall days in December - Miami, AZ
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is June (3.5 days).

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Average snowfall in December
Miami, AZ

Average snowfall in December - Miami, AZ
  • Average snowfall in December: 1.69"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Miami, AZ

Average snowfall days in December - Miami, AZ
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is December (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Miami, AZ
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 3min

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 30min).

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Average sunshine days in December
Miami, AZ

Average sunshine days in December - Miami, AZ
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is March (26 days).
The month with the least sunshine days is July (10 days).

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Average UV index in December
Miami, AZ

Average UV index in December - Miami, AZ
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Miami, AZ

Average cloud cover in December - Miami, AZ
  • Average cloud cover in December: 25

The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in December
Miami, AZ

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

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