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 55.6°F (13.1°C) and 38.3°F (3.5°C).

Temperature

In Miami, the lowest temperatures are generally noted in December, averaging a high of 55.6°F (13.1°C) and a low of 38.3°F (3.5°C).

Humidity

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

Rainfall

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

Snowfall

January through April, November and December are months with snowfall in Miami. In Miami, in December, during 1.8 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Miami, during the entire year, snow falls for 4.4 days and aggregates up to 5.98" (152mm) of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December, 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

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What time of the year is the coldest?

December is Miami's coldest month, registering average high temperatures of 55.6°F (13.1°C) and lows of 38.3°F (3.5°C).

What is the usual temperature for Miami in December?

In December, in Miami, the average high-temperature is 55.6°F (13.1°C), and the average low-temperature is 38.3°F (3.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 86°F (30°C).

What is the most humid month?

With an average relative humidity of 52%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December is 52%.

How much does it rain in December?

In Miami, during December, the rain falls for 7.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How much does it snow in December?

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?

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

What is the average length of the day in December?

In Miami, 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, sunrise is at 7:27 am and sunset at 5:26 pm MST.

What is the month with the least sunshine?

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

How many hours of sunshine does Miami have in December?

In December, the average sunshine duration is 6.5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Miami, Arizona, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Miami, Arizona, USA

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