World sea water temperatures

Water temperature in Detroit (MI) in August

Is it warm enough to swim in Detroit in August? Average water temperature in Detroit in August is 73.9°F and therefore suitable for comfortable swimming. The warmest water in Detroit in August is 78.8°F, and the coldest is 68.9°F. Average high air temperature in Detroit in August is 81°F, and average low temperature is 63°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Detroit

Changes water temperature in Detroit in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 175.2°F76.5°F70.3°F76.8°F
August 274.3°F76.6°F70.7°F77°F
August 373.2°F78.1°F70.3°F78.1°F
August 473.8°F77.9°F70.7°F77.9°F
August 574.3°F78.8°F70.5°F78.8°F
August 674.7°F78.3°F70.2°F78.3°F
August 774.7°F76.5°F71.1°F77.7°F
August 875°F74.1°F70.5°F77.2°F
August 975.9°F74.8°F70.5°F77°F
August 1077°F74.3°F71.2°F77.7°F
August 1177.9°F74.1°F71.2°F77.9°F
August 1278.1°F71.6°F71.2°F78.1°F
August 1378.8°F72.1°F69.3°F78.8°F
August 1478.4°F72.9°F69.1°F78.4°F
August 1578.8°F73.4°F69.1°F78.8°F
Day 2025 2024 Min Max
August 1677.5°F75°F69.1°F77.5°F
August 1777.5°F74.8°F70°F77.5°F
August 1877.7°F73.8°F70.3°F77.7°F
August 1977.4°F73.6°F70.5°F77.4°F
August 2076.8°F73.6°F71.4°F76.8°F
August 2174.3°F72°F71.4°F76.5°F
August 2270.7°F69.6°F69.6°F76.5°F
August 2373.2°F70°F69.6°F77°F
August 2472.5°F70°F69.6°F77.5°F
August 2571.2°F71.1°F71.1°F76.5°F
August 2669.8°F72.3°F69.8°F76.6°F
August 2768.9°F74.7°F68.9°F78.1°F
August 2868.7°F74.5°F68.7°F78.4°F
August 2967.6°F74.3°F67.6°F78.8°F
August 3066.7°F73.6°F66.7°F78.8°F
August 3166.9°F74.8°F66.9°F77.7°F
Detroit water temp chart in August

Average water temperature in Detroit in August over a decade

20162017201820192020
76.3°F72.1°F75.6°F74.1°F75.2°F
20212022202320242025
75.7°F74.3°F72.3°F74.1°F74.5°F

Detroit sea state in August

Chart comparing the height of waves in Detroit in August 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 Detroit in August

Weather and climate in Detroit in August

This data display average monthly climate indicators in Detroit in August 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 temperature81°F
  • Average LOW temperature63°F
  • Average humidity
    72
  • Average rainfall days10 days
  • Average rainfall76mm/3''
  • Average daylight14h
  • Average sunshine9.1h
  • Average UV index8

Detroit 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 August?

Want to know where the water temperature in August 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Windsor73.9°F69.1°F78.8°F
Belle Isle Park74.1°F69.1°F79.2°F
Saint Clair Shores73.8°F68.4°F79°F
Grosse Pointe Farms74.1°F69.1°F79.3°F
Harrison Township73.4°F67.6°F78.8°F
Mount Clemens73.6°F68.2°F79.2°F
River Rouge74.3°F68°F79.5°F
St. Clair River (Port Lambton)74.1°F68°F80.2°F
Marine City73°F66.7°F78.3°F
Goose Bay73°F66.7°F78.3°F

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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 Detroit 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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