Islamorada
Florida, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Islamorada, FL

December, the first month of the winter, in Islamorada, is also a moderately hot month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 57.9°F (14.4°C).

Temperature

The coldest months are January, February and December, with an average high-temperature of 75°F (23.9°C).

Rainfall

During December, Islamorada regularly aggregates up to 2" (51.4mm) of precipitation. During the entire year, Islamorada aggregates up to 44.8" (1138.2mm) of precipitation.

Ocean temperature

In Islamorada, Florida, the average seawater temperature is 76.5°F (24.7°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.5°F (24.7°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

December has the shortest days of the year, with an average of 10.6h of daylight.

What are the coldest months in Islamorada?

The coldest months in Islamorada, Florida, are January, February and December, with an average high-temperature of 75°F (23.9°C).

What is the temperature in December in Islamorada?

The average high-temperature, in December, in Islamorada, is 75°F (23.9°C), while the average low-temperature is 57.9°F (14.4°C).

How much does it rain in Islamorada in December?

In Islamorada, Florida, in December, 2" (51.4mm) of precipitation is typically accumulated.

What is the water temperature in December in Islamorada?

In Islamorada, Florida, the average seawater temperature in December is 76.5°F (24.7°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.5°F (24.7°C).

What is the month with the shortest days in Islamorada?

With an average of 10.6h of daylight, December has the shortest days of the year in Islamorada, Florida.

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

The average length of the day in December in Islamorada is 10.6h.
Average temperature in December - Islamorada, FL
  • Average high temperature in December: 75°F

Warmest months (with the highest average high temperature) are July and August (90°F).
Months with the lowest average high temperature are January, February and December (75°F).

  • Average low temperature in December: 58°F

Months with the highest average low temperature are July and August (76°F).
Coldest months (with the lowest average low temperature) are January and February (57°F).

Average rainfall in December - Islamorada, FL
  • Average rainfall in December: 2"

The wettest month (with the highest rainfall) is June (6.9").
The driest month (with the lowest rainfall) is February (1.9").

Average sea temperature in December - Islamorada, FL
  • Average sea temperature in December: 76.5°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
Coldest months (with the lowest average sea temperature) are January and February (73.9°F).

Average daylight in December - Islamorada, FL
  • Average daylight in December: 10.6h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).