World Resorts USA Key Largo Weather

Key Largo weather in December

Weather in Key Largo: December

Average day temperature: 72.5°F
Average night temperature: 70.5°F
Sea water temperature: 75.1°F
Number of sunny days: 9 days
Day length: 10.6 - 10.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 76°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during December were 71.2°F and 69.5°F.

Sea water temperature in Key Largo in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
65
68
71
74
77
80
83
86

The average sea water temperature in December of 2024 was 73.1°F. The highest and lowest sea temperatures during the month were 76.5°F and 69.4°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
35%
35%

Number of sunny, partly cloudy and cloudy days in December is almost equal.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.7
2.1
2.6
3.0
1.2
2.5
1.8
1.8
2.4
1.3
1.2
2.5
1.8
1.8
2.4
1.3

Precipitation total value in Key Largo in December is 0.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.4
4.9
7.3
9.7
12.2
14.6
17.0
14.2
13.1
9.9
10.9
10.1
10.6
11.4
13.1
13.8
12.8
12.2
12.8
14.2
13.1
9.9
10.9
10.1
10.6
11.4
13.1
13.8
12.8
12.2

The average wind speed value in December is 12.8 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.3
6.7
8.0
9.3
5.7
5.9
6.3
6.0
6.6
6.1
7.8
7.5
7.4
6.6
6.0
5.6
5.7
5.9
6.3
6.0
6.6
6.1
7.8
7.5
7.4
6.6
6.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.6.

Best time for vacation in Key Largo

Sunniest months:
March 11 days
January 10 days
April 10 days
Warmest months:
July 85.1 °F
August 84.9 °F
September 84.5 °F
Warmest sea temp:
August 87.3 °F
July 87.3 °F
September 86.6 °F
Coldest months:
January 70.8 °F
December 72.5 °F
February 73.5 °F
Rainiest months:
June 4 days
July 3 days
September 3 days
Windiest months:
November 14.2 mph
March 13.8 mph
October 13.1 mph

Key Largo on a weather map

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24 Hours Forecast
Key Largo
Local time: 01:04
April 02, wednesday
0300
77°F
NW
15 mph
0600
77°F
NW
17 mph
0900
77°F
W
19 mph
1200
77°F
W
21 mph
1500
77°F
NW
20 mph
1800
77°F
W
17 mph
2100
77°F
W
19 mph
April 03, thursday
0000
77°F
W
24 mph
Units of measurement: °C / °F