World Resorts USA Sanibel Island Weather

Sanibel Island Sea Temperature in May

Average sea water temperature in May:
+82.1°F
Minimum sea water temperature in May: 87.8°F
Maximum sea water temperature in May: 77.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 78.1°F.

Monthly sea water temperature in Sanibel Island, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Corpus Christi 79.5°F 80.9°F
Kailua Kona 79.4°F 79.1°F
South Padre Island 79.1°F 80.0°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F

Best time for vacation in Sanibel Island

Sunniest months:
March 19 days
April 18 days
December 17 days
Warmest months:
August 88.0 °F
July 88.0 °F
June 87.1 °F
Warmest sea temp:
August 87.6 °F
July 87.4 °F
September 86.2 °F
Coldest months:
January 69.1 °F
December 72.1 °F
February 72.6 °F
Rainiest months:
July 5 days
June 5 days
August 4 days
Windiest months:
October 10.5 mph
November 10.4 mph
January 10.3 mph

Sanibel Island on a weather map

Sanibel Island
+86°F
S 9 mph
Feels like: +93°F
Precip.: 6%
Places in USA:
Name
°F
+70°F
+79°F
+115°F
+88°F
+84°F
+91°F
+75°F
+84°F
+72°F
+82°F
+70°F
+81°F
+82°F
+82°F
+77°F
24 Hours Forecast
Sanibel Island
Local time: 20:17
July 23, thursday
2100
86°F
S
9 mph
July 24, friday
0000
82°F
W
17 mph
0300
82°F
W
11 mph
0600
81°F
W
9 mph
0900
82°F
SW
7 mph
1200
88°F
W
5 mph
1500
90°F
E
5 mph
1800
86°F
E
8 mph
Units of measurement: °C / °F