World sea water temperatures

Water temperature in Marco Island (FL) in July

Is it warm enough to swim in Marco Island in July? Average water temperature in Marco Island in July is 86.7°F and therefore suitable for comfortable swimming. The warmest sea in Marco Island in July is 90.5°F, and the coldest is 83.5°F. Average high air temperature in Marco Island in July is 90°F, and average low temperature is 73°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Marco Island

Changes water temperature in Marco Island in July 2025, 2024

To get an accurate forecast for the water temperature in Marco Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Marco Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 185.3°F86.5°F83.5°F88.5°F
July 285.1°F87.1°F84.2°F89.2°F
July 385.3°F86.7°F84.4°F90.5°F
July 485.6°F87.1°F84.6°F89.6°F
July 585.3°F87.3°F84.4°F89.6°F
July 685.1°F88.2°F84.6°F89.6°F
July 784.6°F88.5°F84.6°F89.8°F
July 884.7°F88.7°F84.4°F89.4°F
July 985.5°F88.7°F84.6°F88.9°F
July 1085.6°F88.5°F84.6°F89.1°F
July 1186°F88.3°F84.7°F90.3°F
July 1286.5°F88.3°F84.7°F89.8°F
July 1386.4°F87.8°F84.4°F89.8°F
July 1486.7°F87.1°F84.6°F89.6°F
July 1586.9°F86.9°F84.6°F89.6°F
Day 2025 2024 Min Max
July 1686.9°F86.9°F84.4°F89.6°F
July 1786.2°F86.9°F84.2°F89.4°F
July 1886.4°F87.1°F83.8°F89.4°F
July 1986.4°F87.3°F83.7°F90°F
July 2087.3°F87.3°F83.5°F89.8°F
July 2188°F86.7°F83.8°F89.8°F
July 2288.5°F86.5°F84.6°F89.8°F
July 2387.4°F86.9°F84.9°F89.6°F
July 2487.6°F87.1°F84.4°F89.2°F
July 2587.3°F86.7°F84.7°F89.8°F
July 2687.4°F86.9°F84.9°F89.6°F
July 2787.8°F87.1°F85.1°F88.9°F
July 2888.2°F87.4°F85.1°F88.2°F
July 2988.2°F88.2°F85.1°F88.2°F
July 3089.8°F88.2°F85.5°F89.8°F
July 3189.4°F88.3°F86.2°F89.4°F
Marco Island water temp chart in July

Average water temperature in Marco Island in July over a decade

20162017201820192020
87.6°F86.7°F87.3°F86.9°F87.3°F
20212022202320242025
85.6°F86.9°F89.2°F87.4°F86.7°F

Marco Island sea state in July

Chart comparing the height of waves in Marco Island in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Marco Island in July

Weather and climate in Marco Island in July

This data display average monthly climate indicators in Marco Island in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature90°F
  • Average LOW temperature73°F
  • Average rainfall days14 days
  • Average rainfall198mm/7.8''
  • Average daylight14h
  • Average sunshine10h
  • Average UV index11

Marco Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in July?

Want to know where the water temperature in July is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Tigertail Beach86.7°F83.5°F90.5°F
Goodland86.7°F83.5°F90.3°F
Keewaydin86.5°F83.7°F90°F
Lowdermilk Beach86.5°F83.7°F89.8°F
Park Shore86.5°F83.5°F89.8°F
Moorings86.5°F83.5°F89.8°F
Clam Pass Beach86.5°F83.5°F89.8°F
Everglades City86.5°F83.5°F90.7°F
North Naples86.5°F83.5°F90°F
Vanderbilt Beach86.5°F83.5°F90°F

Marco Island photo gallery

  • Marco Island

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Marco Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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