Sea Temperature in Florida Keys in December

Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Florida Keys in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Florida Keys. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Florida Keys in December

20°C

MINIMUN

23.5°C

AVERAGE

27°C

MAXIMUM

Historical Data of Water Temperature in December in Florida Keys

Water Temperature Chart for Gulf of Mexico (Gulf of America) in Florida Keys in December

Sea Temperature Table in Florida Keys in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	24°C	23°C	26°C	24.0°C
Dec 2	23°C	24°C	25°C	23.8°C
Dec 3	22°C	25°C	25°C	23.8°C
Dec 4	21°C	26°C	25°C	23.8°C
Dec 5	20°C	26°C	24°C	23.3°C
Dec 6	21°C	25°C	25°C	23.8°C
Dec 7	21°C	24°C	24°C	23.8°C
Dec 8	21°C	21°C	23°C	22.3°C
Dec 9	22°C	21°C	23°C	22.5°C
Dec 10	22°C	23°C	24°C	24.0°C
Dec 11	22°C	24°C	24°C	24.0°C
Dec 12	22°C	22°C	24°C	23.5°C
Dec 13	22°C	23°C	24°C	23.5°C
Dec 14	22°C	24°C	24°C	23.5°C
Dec 15	22°C	23°C	24°C	23.3°C
Dec 16	22°C	23°C	24°C	23.8°C
Dec 17	22°C	22°C	23°C	22.8°C
Dec 18	24°C	22°C	24°C	24.0°C
Dec 19	24°C	21°C	23°C	23.5°C
Dec 20	24°C	20°C	23°C	23.3°C
Dec 21	23°C	21°C	23°C	23.3°C
Dec 22	22°C	21°C	23°C	22.8°C
Dec 23	21°C	22°C	23°C	22.5°C
Dec 24	21°C	22°C	23°C	22.5°C
Dec 25	21°C	22°C	24°C	22.5°C
Dec 26	21°C	21°C	24°C	22.5°C
Dec 27	22°C	22°C	26°C	23.5°C
Dec 28	22°C	22°C	23°C	23.0°C
Dec 29	23°C	22°C	21°C	22.8°C
Dec 30	23°C	22°C	22°C	23.0°C

Florida Keys Climate and Swimming Opportunities in December

24°C

Average Day Air Temperature

17°C

Average Night Air Temperature

42 mm

Precipitation Amount per Month

7 days

Number of Rainy Days

10 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

18 km/h

Average Wind Speed

75%

Average
humidity

Florida Keys lies within the Florida in United States. The average daytime temperature in Florida Keys in December is 76°F (24°C), while the nighttime average is 63°F (17°C). There are typically seven rainy days during the month, with a total precipitation of 1.7 inches (42 mm). The daylight duration in December in Florida Keys is 10 hours, with an average of 7 hours of sunshine per day. The average wind speed in December is 11 mph (18 km/h), and the humidity level is around 75%.

The water temperature in Florida Keys in December ranges from 72°F to 75°F (22°C to 24°C). At the beginning of the month, the average temperature is around 75°F (24°C), shifting to 73°F (23°C) by mid-December and reaching 73°F (23°C) in the last ten days. Overall, the average sea temperature in Florida Keys for December is 73°F (23°C). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Florida Keys

What is the sea temperature in Florida Keys in December?

The water temperature in the Gulf of Mexico (Gulf of America) in Florida Keys in December ranges from 72°F to 75°F (22°C to 24°C).

Is it possible to swim in the Gulf of Mexico (Gulf of America) in Florida Keys in December?

The average sea temperature in Florida Keys in December is 73°F (23°C), and the air temperature is 76°F (24°C), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.