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December weather forecast in Key Largo

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	763 mmHg		74%
	6.9 m/s		+25

30 November, Sunday. day, 24°; night, 22°; clear

1 December, mon

	764 mmHg		75%
	6.6 m/s		+25

1 December, Monday. day, 24°; night, 22°; clear

2 December, tue

	764 mmHg		75%
	6.7 m/s		+25

2 December, Tuesday. day, 24°; night, 21°; clear

3 December, wed

	764 mmHg		74%
	6.1 m/s		+25

3 December, Wednesday. day, 24°; night, 21°; clear

4 December, thu

	764 mmHg		76%
	6 m/s		+25

4 December, Thursday. day, 24°; night, 21°; clear

5 December, fri

	764 mmHg		77%
	6.1 m/s		+25

5 December, Friday. day, 24°; night, 21°; rain

6 December, sat

	764 mmHg		77%
	5.9 m/s		+25

6 December, Saturday. day, 24°; night, 21°; clear

7 December, sun

	764 mmHg		78%
	5.7 m/s		+25

7 December, Sunday. day, 24°; night, 20°; clear

8 December, mon

	764 mmHg		77%
	6.1 m/s		+25

8 December, Monday. day, 24°; night, 21°; partly cloudy

9 December, tue

	764 mmHg		78%
	6.5 m/s		+25

9 December, Tuesday. day, 24°; night, 21°; rain

10 December, wed

	764 mmHg		79%
	6.4 m/s		+25

10 December, Wednesday. day, 24°; night, 21°; rain

11 December, thu

	764 mmHg		78%
	6.2 m/s		+25

11 December, Thursday. day, 24°; night, 21°; rain

12 December, fri

	764 mmHg		76%
	6.5 m/s		+25

12 December, Friday. day, 24°; night, 21°; partly cloudy

13 December, sat

	764 mmHg		76%
	7 m/s		+25

13 December, Saturday. day, 24°; night, 21°; clear

14 December, sun

	764 mmHg		77%
	7.2 m/s		+25

14 December, Sunday. day, 24°; night, 21°; clear

15 December, mon

	764 mmHg		77%
	6.6 m/s		+25

15 December, Monday. day, 23°; night, 20°; clear

16 December, tue

	764 mmHg		77%
	6.3 m/s		+25

16 December, Tuesday. day, 24°; night, 21°; rain

17 December, wed

	764 mmHg		76%
	6.5 m/s		+25

17 December, Wednesday. day, 24°; night, 21°; clear

18 December, thu

	764 mmHg		77%
	6 m/s		+24

18 December, Thursday. day, 23°; night, 20°; overcast

19 December, fri

	764 mmHg		77%
	6.5 m/s		+24

19 December, Friday. day, 23°; night, 20°; partly cloudy

20 December, sat

	764 mmHg		74%
	6.8 m/s		+24

20 December, Saturday. day, 23°; night, 20°; partly cloudy

21 December, sun

	764 mmHg		74%
	7.4 m/s		+24

21 December, Sunday. day, 23°; night, 20°; partly cloudy

22 December, mon

	765 mmHg		74%
	6.8 m/s		+24

22 December, Monday. day, 23°; night, 20°; partly cloudy

23 December, tue

	764 mmHg		77%
	6.5 m/s		+24

23 December, Tuesday. day, 23°; night, 21°; overcast

24 December, wed

	764 mmHg		78%
	6.4 m/s		+24

24 December, Wednesday. day, 23°; night, 21°; partly cloudy

25 December, thu

	764 mmHg		78%
	6.7 m/s		+24

25 December, Thursday. day, 23°; night, 20°; rain

26 December, fri

	764 mmHg		78%
	7 m/s		+24

26 December, Friday. day, 23°; night, 20°; rain

27 December, sat

	765 mmHg		77%
	6.5 m/s		+24

27 December, Saturday. day, 22°; night, 19°; clear

28 December, sun

	764 mmHg		75%
	6.5 m/s		+24

28 December, Sunday. day, 23°; night, 20°; partly cloudy

29 December, mon

	764 mmHg		77%
	6.6 m/s		+24

29 December, Monday. day, 23°; night, 20°; clear

30 December, tue

	765 mmHg		77%
	6.2 m/s		+25

30 December, Tuesday. day, 23°; night, 20°; partly cloudy

31 December, wed

	765 mmHg		76%
	5.9 m/s		+25

31 December, Wednesday. day, 23°; night, 20°; clear

1 January, thu

	765 mmHg		77%
	6.3 m/s		+24

1 January, Thursday. day, 23°; night, 21°; partly cloudy

2 January, fri

	765 mmHg		77%
	6.3 m/s		+24

2 January, Friday. day, 24°; night, 21°; partly cloudy

3 January, sat

	764 mmHg		78%
	7 m/s		+24

3 January, Saturday. day, 23°; night, 21°; overcast

Average data for 10 years

Key Largo December

13

sunny days

7

days with precipitation

3

cloudy days

13 sunny days; 7 days with precipitation; 3 cloudy days;

77

%

air humidity

4.9

m/s

WindSE

43

mm of precipitation

(5% of annual average)

+25

°C

Water temperature

air humidity 77%; 43 millimeters of precipitation (5% of annual average); Wind south-easterly 4.9 Meters per second; Water temperature +25°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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SE

SE

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SE

1

Average data for 10 years

2

3

4

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Daytime temperature

Night-time temperature

Cities near you

Varadero
Havana
Miami
Cayo Coco
Orlando
Tampa
Cayo Guillermo
Nassau
Miami Beach

Cities with similar weather in December

Dubai
Nha Trang
Sanya
Santo Domingo
Sharjah
Abu Dhabi
Havana
Ajman
Puerto Plata

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in Key Largo is typically warm. Average daily high temperature in December is about 23 degrees above zero. On average, Key Largo has 13 sunny, 9 partly cloudy, 7 rainy, and 2 cloudy days in December. The rains are usually light. December as well as January, February, and March is considered the most comfortable time to visit Key Largo.

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