25.05
mon
mon
Day

81°F
W 21 mph
Precip.
71%
71%
Night

82°F
NW 22 mph
Precip.
0%
0%
26.05
tue
tue
Day

82°F
W 21 mph
Precip.
66%
66%
Night

82°F
NW 22 mph
Precip.
0%
0%
27.05
wed
wed
Day

82°F
NW 18 mph
Precip.
78%
78%
Night

82°F
NW 17 mph
Precip.
0%
0%
28.05
thu
thu
Day

81°F
NW 13 mph
Precip.
100%
100%
Night

81°F
NW 12 mph
Precip.
100%
100%
29.05
fri
fri
Day

82°F
NW 6 mph
Precip.
0%
0%
Night

82°F
N 10 mph
Precip.
0%
0%
30.05
sat
sat
Day

81°F
NE 15 mph
Precip.
77%
77%
Night

79°F
NW 30 mph
Precip.
100%
100%
31.05
sun
sun
Day

82°F
E 16 mph
Precip.
100%
100%
Night

82°F
E 9 mph
Precip.
100%
100%
01.06
mon
mon
Day

81°F
E 5 mph
Precip.
100%
100%
Night

82°F
SW 8 mph
Precip.
100%
100%
02.06
tue
tue
Day

82°F
W 19 mph
Precip.
66%
66%
Night

81°F
W 25 mph
Precip.
100%
100%
03.06
wed
wed
Day

81°F
W 17 mph
Precip.
100%
100%
Night

81°F
W 20 mph
Precip.
100%
100%
04.06
thu
thu
Day

81°F
W 11 mph
Precip.
84%
84%
Night

81°F
N 11 mph
Precip.
100%
100%
05.06
fri
fri
Day

81°F
NE 14 mph
Precip.
100%
100%
Night

81°F
NE 12 mph
Precip.
100%
100%
06.06
sat
sat
Day

82°F
NE 11 mph
Precip.
100%
100%
Night

81°F
N 20 mph
Precip.
100%
100%
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:
2026
2025
2024
The average sea water temperature in May of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 86.2°F and 81.5°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 86.7°F and 83.8°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: 00:02
May 25, monday
0300

81°F
W
22 mph
22 mph
0600

81°F
W
21 mph
21 mph
0900

81°F
W
22 mph
22 mph
1200

81°F
W
21 mph
21 mph
1500

82°F
W
18 mph
18 mph
1800

82°F
W
16 mph
16 mph
2100

82°F
W
19 mph
19 mph
May 26, tuesday
0000

82°F
NW
22 mph
22 mph


























