World Resorts USA Sanibel Island Weather

Sanibel Island Sea Temperature in August

Average sea water temperature in August:
+87.6°F
Minimum sea water temperature in August: 90.5°F
Maximum sea water temperature in August: 85.5°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 88.8°F. The highest and lowest sea temperatures during the month were 90.0°F and 87.3°F.

Monthly sea water temperature in Sanibel Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F

Best time for vacation in Sanibel Island

Sunniest months:
March 19 days
December 17 days
April 17 days
Warmest months:
August 88.0 °F
July 88.0 °F
September 86.6 °F
Warmest sea temp:
August 87.6 °F
July 87.2 °F
September 86.2 °F
Coldest months:
January 69.0 °F
December 72.1 °F
February 73.2 °F
Rainiest months:
June 6 days
July 5 days
August 4 days
Windiest months:
October 10.5 mph
November 10.4 mph
January 10.1 mph

Sanibel Island on a weather map

Sanibel Island
+68°F
SE 7 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+75°F
+75°F
+59°F
+63°F
+70°F
+75°F
+68°F
+37°F
+61°F
+54°F
+66°F
+68°F
+68°F
+36°F
24 Hours Forecast
Sanibel Island
Local time: 22:17
January 08, thursday
0000
66°F
S
6 mph
0300
64°F
W
6 mph
0600
63°F
SW
6 mph
0900
61°F
W
7 mph
1200
63°F
NW
8 mph
1500
68°F
NE
6 mph
1800
68°F
N
6 mph
2100
68°F
NW
9 mph
Units of measurement: °C / °F