Average water temperature in South Portland
On this page you find the mean water temperature over the year in South Portland (Maine), the United States of America. Discover the unique water temperature patterns, from its warmest to its coolest months.
South Portland experiences water temperature shifts throughout the year. The warmest month, August, reaches an average of 18°C.
The coldest month, March, averages 3°C. Visitors during these months can leave their swimming gear at home.
Forecast for South Portland (ME)
almost clear and no rain
almost clear and no rain
partly cloudy and snow
Interested in more climate information?
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