03.05
sun
sun
Day
82°F
E 3 mph
Precip.
0%
0%
Night
77°F
W 10 mph
Precip.
100%
100%
04.05
mon
mon
Day
79°F
SW 7 mph
Precip.
100%
100%
Night
79°F
W 16 mph
Precip.
100%
100%
05.05
tue
tue
Day
79°F
W 8 mph
Precip.
100%
100%
Night
81°F
W 10 mph
Precip.
68%
68%
06.05
wed
wed
Day
81°F
NW 6 mph
Precip.
0%
0%
Night
82°F
NW 14 mph
Precip.
0%
0%
07.05
thu
thu
Day
82°F
N 6 mph
Precip.
0%
0%
Night
82°F
E 5 mph
Precip.
0%
0%
08.05
fri
fri
Day
81°F
E 4 mph
Precip.
0%
0%
Night
82°F
NE 3 mph
Precip.
0%
0%
09.05
sat
sat
Day
82°F
NW 8 mph
Precip.
21%
21%
Night
82°F
NW 19 mph
Precip.
0%
0%
10.05
sun
sun
Day
82°F
NW 16 mph
Precip.
0%
0%
Night
81°F
W 19 mph
Precip.
51%
51%
11.05
mon
mon
Day
82°F
NW 9 mph
Precip.
0%
0%
Night
82°F
NW 11 mph
Precip.
0%
0%
12.05
tue
tue
Day
82°F
NW 12 mph
Precip.
0%
0%
Night
82°F
NW 17 mph
Precip.
0%
0%
13.05
wed
wed
Day
82°F
NW 14 mph
Precip.
23%
23%
Night
82°F
N 16 mph
Precip.
0%
0%
14.05
thu
thu
Day
82°F
N 6 mph
Precip.
0%
0%
Night
82°F
SE 6 mph
Precip.
0%
0%
15.05
fri
fri
Day
82°F
SW 6 mph
Precip.
0%
0%
Night
82°F
W 5 mph
Precip.
0%
0%
16.05
sat
sat
Day
82°F
W 7 mph
Precip.
0%
0%
Night
82°F
W 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
7 days
forecast
forecast
| Key Largo |
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 87.6°F and 79.0°F.
Air temperature in Key Largo, °F
Precipitation total in Key Largo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 13:10
May 03, sunday
1500
84°F
N
5 mph
5 mph
1800
82°F
E
1 mph
1 mph
2100
79°F
SW
11 mph
11 mph
May 04, monday
0000
77°F
W
10 mph
10 mph
0300
77°F
N
4 mph
4 mph
0600
79°F
NE
2 mph
2 mph
0900
79°F
SE
4 mph
4 mph
1200
79°F
SW
7 mph
7 mph
