World Resorts USA Marco Island Weather

Marco Island Sea Temperature in July

Average sea water temperature in July:
+87.1°F
Minimum sea water temperature in July: 89.8°F
Maximum sea water temperature in July: 83.7°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 89.4°F and 84.7°F.

Monthly sea water temperature in Marco Island, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Bay Saint Louis 87.2°F 86.7°F
Clearwater Beach 87.1°F 88.3°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Islamorada 86.4°F 87.4°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Miramar Beach 86.2°F 86.7°F
Santa Rosa Beach 86.2°F 86.6°F
Fort Walton Beach 86.1°F 86.4°F

Best time for vacation in Marco Island

Sunniest months:
March 19 days
April 17 days
May 15 days
Warmest months:
August 88.0 °F
July 87.8 °F
September 86.6 °F
Warmest sea temp:
August 87.5 °F
July 87.1 °F
September 86.5 °F
Coldest months:
January 69.8 °F
December 72.0 °F
February 74.1 °F
Rainiest months:
June 6 days
July 5 days
September 4 days
Windiest months:
April 10.0 mph
November 10.0 mph
October 9.9 mph

Marco Island on a weather map

Marco Island
+79°F
SW 11 mph
Feels like: +79°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+72°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Marco Island
Local time: 15:21
December 16, tuesday
1800
75°F
SW
15 mph
2100
72°F
W
14 mph
December 17, wednesday
0000
68°F
SW
13 mph
0300
66°F
W
11 mph
0600
66°F
W
10 mph
0900
68°F
SW
9 mph
1200
72°F
W
9 mph
1500
73°F
N
4 mph
Units of measurement: °C / °F