21.05
thu
thu
Day

82°F
NW 5 mph
Precip.
0%
0%
Night

79°F
W 11 mph
Precip.
0%
0%
22.05
fri
fri
Day

82°F
NW 6 mph
Precip.
0%
0%
Night

81°F
NW 11 mph
Precip.
100%
100%
23.05
sat
sat
Day

82°F
N 7 mph
Precip.
100%
100%
Night

82°F
W 7 mph
Precip.
0%
0%
24.05
sun
sun
Day

82°F
N 7 mph
Precip.
0%
0%
Night

81°F
NW 9 mph
Precip.
79%
79%
25.05
mon
mon
Day

84°F
NW 11 mph
Precip.
100%
100%
Night

81°F
W 14 mph
Precip.
51%
51%
26.05
tue
tue
Day

84°F
N 10 mph
Precip.
0%
0%
Night

82°F
W 11 mph
Precip.
56%
56%
27.05
wed
wed
Day

84°F
NW 11 mph
Precip.
0%
0%
Night

82°F
W 9 mph
Precip.
53%
53%
28.05
thu
thu
Day

84°F
N 8 mph
Precip.
0%
0%
Night

82°F
N 4 mph
Precip.
25%
25%
29.05
fri
fri
Day

82°F
N 6 mph
Precip.
0%
0%
Night

81°F
E 2 mph
Precip.
0%
0%
30.05
sat
sat
Day

82°F
N 11 mph
Precip.
0%
0%
Night

81°F
N 6 mph
Precip.
100%
100%
31.05
sun
sun
Day

82°F
N 12 mph
Precip.
100%
100%
Night

81°F
NE 6 mph
Precip.
0%
0%
01.06
mon
mon
Day

82°F
N 6 mph
Precip.
0%
0%
Night

79°F
W 15 mph
Precip.
0%
0%
02.06
tue
tue
Day

86°F
NW 7 mph
Precip.
100%
100%
Night

77°F
SW 23 mph
Precip.
0%
0%
sea water
temperature
temperature
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
current
weather
weather
| Sanibel Island |
7 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: 08:39
May 21, thursday
0900

79°F
W
11 mph
11 mph
1200

82°F
NW
5 mph
5 mph
1500

84°F
NE
12 mph
12 mph
1800

81°F
N
6 mph
6 mph
2100

81°F
W
7 mph
7 mph
May 22, friday
0000

79°F
W
11 mph
11 mph
0300

79°F
W
10 mph
10 mph
0600

77°F
W
11 mph
11 mph






























