December Weather in Big Coppitt Key, United States

Last updated: June 24, 2025

In December, the average temperature in Big Coppitt Key, United States is a pleasant 23°C (74°F). Daytime highs can reach up to 27°C (80°F), while the evenings cool down to a minimum of 15°C (59°F). Travelers should expect about 44 mm (1.7 in) of precipitation spread over roughly 5 days, accompanied by an average humidity of 81%, creating a refreshing yet slightly muggy atmosphere. Enjoy the balance of warmth and occasional showers!

December Temperature in Big Coppitt Key

In December in Big Coppitt Key, the average temperature is 23°C (74°F). Maximums can reach 27°C (80°F), and minimums can be as low as 15°C (59°F). This pleasant and mild climate makes Big Coppitt Key an ideal destination for travelers looking to enjoy outdoor activities and sightseeing.

December Weather in Big Coppitt Key: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Big Coppitt Key, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big Coppitt Key, December typically has an average temperature of 23°C (74°F), with highs reaching up to 27°C (80°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for Big Coppitt Key generated using information from the Copernicus Climate Change Service.

December Precipitation in Big Coppitt Key

In Big Coppitt Key in December, the precipitation amount is 44 mm (1.7 in) over the course of 5 days.

December Precipitation Trends in Big Coppitt Key

The chart displays monthly precipitation patterns in Big Coppitt Key, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Big Coppitt Key, December typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Big Coppitt Key

In Big Coppitt Key in December, humidity is 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

December Average Humidity in Big Coppitt Key

This chart illustrates the average monthly humidity levels in Big Coppitt Key, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Big Coppitt Key is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Big Coppitt Key

In Big Coppitt Key in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Big Coppitt Key, you can refer to this Hourly UV Index in Big Coppitt Key.

Maximum UV Index Levels in Big Coppitt Key for December

The chart shows the monthly maximum UV Index (UVI) for Big Coppitt Key in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Big Coppitt Key typically reaches 6, which falls under the high exposure category.

Data source: Big Coppitt Key December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Big Coppitt Key Compares to Other Months

Weather in Big Coppitt Key varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Big Coppitt Key, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Big Coppitt Key, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	27 mm (1.1 inches)	81%	high
February Weather	23°C (74°F)	27 mm (1.1 inches)	79%	very high
March Weather	23°C (74°F)	18 mm (0.7 inches)	76%	extreme
April Weather	25°C (77°F)	40 mm (1.6 inches)	73%	extreme
May Weather	26°C (79°F)	139 mm (5.5 inches)	71%	extreme
June Weather	28°C (82°F)	94 mm (3.7 inches)	69%	extreme
July Weather	28°C (83°F)	103 mm (4.0 inches)	70%	extreme
August Weather	29°C (84°F)	100 mm (3.9 inches)	72%	extreme
September Weather	28°C (83°F)	172 mm (6.8 inches)	76%	extreme
October Weather	27°C (81°F)	133 mm (5.2 inches)	79%	very high
November Weather	25°C (77°F)	83 mm (3.3 inches)	80%	very high
December Weather	23°C (74°F)	44 mm (1.7 inches)	81%	high