December weather forecast
Old Marco Junction, FL

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Weather in December

The first month of the winter, December, is also a moderately hot month in Old Marco Junction, Florida, with an average temperature fluctuating between 74.8°F (23.8°C) and 64.4°F (18°C).

Temperature

The onset of December marks an average high-temperature of a still moderately hot 74.8°F (23.8°C), hardly differing from November's 78.4°F (25.8°C). Throughout December, the temperature falls to an average low of 64.4°F (18°C).

Humidity

The most humid month in Old Marco Junction is December, with an average relative humidity of 76%.

Rainfall

In Old Marco Junction, in December, during 7.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Old Marco Junction, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Old Marco Junction, Florida, is December, with an average of 10h and 30min of daylight.
On the first day of December, sunrise is at 6:57 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:46 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

In Old Marco Junction, Florida, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 during December translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Old Marco Junction?

In Old Marco Junction, in December, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in October is calculated to be 91.4°F (33°C).

What is the most humid month in Old Marco Junction?

The most humid month in Old Marco Junction, Florida, is December, with an average relative humidity of 76%.

What is the average humidity in December in Old Marco Junction?

The average relative humidity in December in Old Marco Junction is 76%.

How much does it rain in Old Marco Junction in December?

In December, in Old Marco Junction, Florida, the rain falls for 7.9 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

What is the month with the shortest days in Old Marco Junction?

The month with the shortest days is December, with an average of 10h and 30min of daylight.

How many hours of daylight does Old Marco Junction have in December?

The average day length in December in Old Marco Junction, Florida, is 10h and 32min.

When are sunrise and sunset in December in Old Marco Junction?

On the first day of December in Old Marco Junction, sunrise is at 6:57 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Old Marco Junction?

With an average of 6.7h of sunshine, December has the least sunshine of the year in Old Marco Junction.

How long on average sun shines in December in Old Marco Junction?

In Old Marco Junction, the average sunshine duration in December is 6.7h.

How high is the UV index in December in Old Marco Junction?

The average daily maximum UV index in December in Old Marco Junction, Florida, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Old Marco Junction, FL

Average temperature in December - Old Marco Junction, FL
  • Average high temperature in December: 74.8°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in December: 64.4°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

Average pressure in December
Old Marco Junction, FL

Average pressure in December - Old Marco Junction, FL
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

Average wind speed in December
Old Marco Junction, FL

Average wind speed in December - Old Marco Junction, FL
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in December
Old Marco Junction, FL

Average humidity in December - Old Marco Junction, FL
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

Average rainfall in December
Old Marco Junction, FL

Average rainfall in December - Old Marco Junction, FL
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

Average rainfall days in December
Old Marco Junction, FL

Average rainfall days in December - Old Marco Junction, FL
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

Average daylight in December /
Average sunshine in December
Old Marco Junction, FL

Average daylight in December / Average sunshine in December - Old Marco Junction, FL
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Old Marco Junction, FL

Average sunshine days in December - Old Marco Junction, FL
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

Average UV index in December
Old Marco Junction, FL

Average UV index in December - Old Marco Junction, FL
  • Average UV index in December: 6

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).

Average cloud cover in December
Old Marco Junction, FL

Average cloud cover in December - Old Marco Junction, FL
  • Average cloud cover in December: 27

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

Average visibility in December
Old Marco Junction, FL

Average visibility in December - Old Marco Junction, FL
  • 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).

Old Marco Junction, Florida, USA

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