World Resorts USA Marco Island Weather

Marco Island Sea Temperature in July

Average sea water temperature in July:
+87.2°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 88.0°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.9°F.

Monthly sea water temperature in Marco Island, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.5°F 86.7°F
Clearwater Beach 87.9°F 87.1°F
Naples 87.7°F 86.6°F
Tampa 87.6°F 86.8°F
Sarasota 87.6°F 86.9°F
New Orleans 87.5°F 87.4°F
Miami 87.4°F 86.3°F
Miami Beach 87.0°F 86.0°F
Houston 86.7°F 86.3°F
Fort Lauderdale 86.6°F 85.0°F
Hilton Head Island 86.3°F 85.7°F
St. George Island 86.3°F 86.4°F
Tybee Island 86.3°F 85.4°F
West Palm Beach 86.1°F 84.6°F
Panama City Beach 86.0°F 86.3°F
Santa Rosa Beach 85.9°F 86.2°F
Pensacola Beach 85.8°F 86.7°F
Destin 85.8°F 86.3°F
Charleston (SC) 85.8°F 84.7°F
Fort Walton Beach 85.5°F 86.1°F

Best time for vacation in Marco Island

Sunniest months:
March 19 days
April 18 days
May 16 days
Warmest months:
August 88.4 °F
July 88.1 °F
June 86.6 °F
Warmest sea temp:
August 87.7 °F
July 87.2 °F
September 86.5 °F
Coldest months:
January 70.0 °F
December 72.8 °F
February 73.7 °F
Rainiest months:
June 6 days
July 4 days
September 4 days
Windiest months:
April 10.1 mph
November 10.0 mph
January 9.9 mph

Marco Island on a weather map

Marco Island
+93°F
N 7 mph
Feels like: +109°F
Precip.: 11%
Places in USA:
Name
°F
+70°F
+91°F
+77°F
+82°F
+70°F
+88°F
+63°F
+91°F
+73°F
+73°F
+63°F
+70°F
+86°F
+81°F
+75°F
24 Hours Forecast
Marco Island
Local time: 10:47
September 02, wednesday
1200
93°F
N
7 mph
1500
86°F
NE
8 mph
1800
86°F
E
8 mph
2100
82°F
S
4 mph
September 03, thursday
0000
84°F
SW
6 mph
0300
82°F
W
6 mph
0600
84°F
NW
8 mph
0900
84°F
NW
6 mph
Units of measurement: °C / °F