December weather forecast
Miami, MO

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Weather in December

The first month of the winter, December, is still a cold month in Miami, Missouri, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 40.6°F (4.8°C).

Temperature

Miami's average high-temperature decreases in December, falling from a fresh 52.3°F (11.3°C) in November to a cold 40.6°F (4.8°C). December brings with it a nighttime average temperature of 27.5°F (-2.5°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Miami, Missouri, during December, the rain falls for 6.2 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Miami, during the entire year, the rain falls for 140.8 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Miami, in December, snow falls for 4.3 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 24.7 snowfall days, and 10.83" (275mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:50 pm. On the last day of December, in Miami, sunrise is at 7:32 am and sunset at 4:59 pm CST.

Sunshine

The average sunshine in December is 5.2h.

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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

During December, Miami experiences an average high-temperature of 40.6°F (4.8°C) and a low-temperature of 27.5°F (-2.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 93.2°F (34°C).

What is the average humidity in December?

In Miami, the average relative humidity in December is 76%.

How many days does it rain in December?

In Miami, during December, the rain falls for 6.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

How many days does it snow in December?

In Miami, Missouri, in December, during 4.3 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

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

In December, the average day length is 9h and 27min.

When is the sunrise / sunset in December in Miami?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:59 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December?

In Miami, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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, MO

Average temperature in December - Miami, MO
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Miami, MO

Average pressure in December - Miami, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Miami, MO

Average wind speed in December - Miami, MO
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Miami, MO

Average humidity in December - Miami, MO
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Miami, MO

Average rainfall in December - Miami, MO
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in December
Miami, MO

Average rainfall days in December - Miami, MO
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (6.2 days).

Average snowfall in December
Miami, MO

Average snowfall in December - Miami, MO
  • Average snowfall in December: 1.42"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Miami, MO

Average snowfall days in December - Miami, MO
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Miami, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Miami, MO

Average sunshine days in December - Miami, MO
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Miami, MO

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

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

Average cloud cover in December
Miami, MO

Average cloud cover in December - Miami, MO
  • Average cloud cover in December: 44

The months with the most cloud cover are January, February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in December
Miami, MO

Average visibility in December - Miami, MO
  • 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, Missouri, USA

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