December weather forecast
North Key Largo, FL

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Weather in December

December, the first month of the winter in North Key Largo, is still a warm month, with an average temperature varying between 76.6°F (24.8°C) and 67.1°F (19.5°C).

Temperature

December brings a marginal elevation to a still moderately hot 76.6°F (24.8°C) from November's 79.7°F (26.5°C) in North Key Largo's average high-temperatures. An average nighttime temperature of 67.1°F (19.5°C) is observed during December.

Humidity

The most humid month is December, with an average relative humidity of 75%.

Rainfall

In North Key Largo, in December, during 14.2 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In North Key Largo, during the entire year, the rain falls for 225.9 days and collects up to 40.91" (1039mm) of precipitation.

Ocean temperature

In December, the average ocean temperature in North Key Largo, Florida, is 76.3°F (24.6°C).
Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 76.3°F (24.6°C) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 77°F (25°C) and 82.4°F (28°C).)

Daylight

The month with the shortest days in North Key Largo is December, with an average of 10h and 36min of daylight.
On the first day of December in North Key Largo, sunrise is at 6:50 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:42 pm EST.

Sunshine

December has the least sunshine of the year in North Key Largo, Florida, with an average of 6.3h of sunshine.

UV index

In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Resources | Updated: Feb 10, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the usual temperature for North Key Largo in December?

In December, the average high-temperature and low-temperature are 76.6°F (24.8°C) and 67.1°F (19.5°C) respectively. In October, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 91.4°F (33°C).

What is the most humid month in North Key Largo?

December is the most humid month in North Key Largo, Florida, with an average relative humidity of 75%.

What is the average humidity in December in North Key Largo?

The average relative humidity in December in North Key Largo is 75%.

How much does it rain in North Key Largo in December?

In December, in North Key Largo, Florida, the rain falls for 14.2 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

What is the ocean temperature in December in North Key Largo?

In December, the average ocean temperature is 76.3°F (24.6°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.3°F (24.6°C) water may be enjoyable.

What is the month with the shortest days in North Key Largo?

With an average of 10h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does North Key Largo have in December?

The average day length in December is 10h and 36min.

When are sunrise and sunset in December in North Key Largo?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:42 pm EST.

What is the month with the least sunshine in North Key Largo?

With an average of 6.3h of sunshine, December has the least sunshine of the year in North Key Largo, Florida.

How many hours of sunshine does North Key Largo have in December?

In North Key Largo, Florida, the average sunshine duration in December is 6.3h.

What is the UV index reading in December in North Key Largo?

In North Key Largo, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
North Key Largo, FL

Average temperature in December - North Key Largo, FL
  • Average high temperature in December: 76.6°F

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (73.9°F).

  • Average low temperature in December: 67.1°F

The month with the highest average low temperature is August (81.7°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).

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Average pressure in December
North Key Largo, FL

Average pressure in December - North Key Largo, FL
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

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Average wind speed in December
North Key Largo, FL

Average wind speed in December - North Key Largo, FL
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
North Key Largo, FL

Average humidity in December - North Key Largo, FL
  • Average humidity in December: 75%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (68%).

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Average rainfall in December
North Key Largo, FL

Average rainfall in December - North Key Largo, FL
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is August (6.77").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in December
North Key Largo, FL

Average rainfall days in December - North Key Largo, FL
  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January and February (12.5 days).

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Average sea temperature in December
North Key Largo, FL

Average sea temperature in December - North Key Largo, FL
  • Average sea temperature in December: 76.3°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

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Average daylight in December /
Average sunshine in December
North Key Largo, FL

Average daylight in December / Average sunshine in December - North Key Largo, FL
  • Average daylight in December: 10h and 4min

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 36min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in December
North Key Largo, FL

Average sunshine days in December - North Key Largo, FL
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (2.1 days).

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Average UV index in December
North Key Largo, FL

Average UV index in December - North Key Largo, FL
  • Average UV index in December: 6

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

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Average cloud cover in December
North Key Largo, FL

Average cloud cover in December - North Key Largo, FL
  • Average cloud cover in December: 32

The month with the most cloud cover is October (Cloud cover 36).
The month with the least cloud cover is April (Cloud cover 26).

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Average visibility in December
North Key Largo, FL

Average visibility in December - North Key Largo, 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).

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North Key Largo, Florida, USA

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