21.05
thu
thu
Day
88°F
NW 6 mph
Precip.
0%
0%
Night
81°F
NW 7 mph
Precip.
100%
100%
22.05
fri
fri
Day
82°F
NW 7 mph
Precip.
100%
100%
Night
81°F
NW 15 mph
Precip.
73%
73%
23.05
sat
sat
Day
82°F
NW 9 mph
Precip.
100%
100%
Night
81°F
NW 12 mph
Precip.
78%
78%
24.05
sun
sun
Day
84°F
NW 9 mph
Precip.
0%
0%
Night
81°F
W 15 mph
Precip.
0%
0%
25.05
mon
mon
Day
84°F
NW 7 mph
Precip.
0%
0%
Night
81°F
W 18 mph
Precip.
0%
0%
26.05
tue
tue
Day
84°F
NW 12 mph
Precip.
0%
0%
Night
81°F
W 11 mph
Precip.
57%
57%
27.05
wed
wed
Day
84°F
NW 11 mph
Precip.
0%
0%
Night
81°F
W 14 mph
Precip.
57%
57%
sea water
temperature
temperature
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
current
weather
weather
| Sanibel Island |
14 days
forecast
forecast
| Sanibel Island |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 81.5°F. The highest and lowest sea temperatures during the month were 83.8°F and 78.1°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.4°F and 84.4°F.
Air temperature in Sanibel Island, °F
Precipitation total in Sanibel Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sanibel Island
Sanibel Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sanibel Island
Local time: 09:12
May 21, thursday
1200
88°F
NW
6 mph
6 mph
1500
91°F
NE
10 mph
10 mph
1800
84°F
NE
11 mph
11 mph
2100
82°F
NW
2 mph
2 mph
May 22, friday
0000
81°F
NW
7 mph
7 mph
0300
79°F
NW
12 mph
12 mph
0600
77°F
W
11 mph
11 mph
0900
79°F
W
12 mph
12 mph
