World sea water temperatures

Water temperature in South Portland (ME) in June

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Is it warm enough to swim in South Portland in June? Average water temperature in South Portland in June is 56.7°F and therefore is not suitable for comfortable swimming. The warmest sea in South Portland in June is 65.1°F, and the coldest is 49.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in South Portland

Changes water temperature in South Portland in June 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 150.5°F54.7°F49.6°F57.7°F
June 250°F55.8°F49.6°F57.2°F
June 351.1°F55.9°F49.6°F56.7°F
June 452.3°F55.8°F49.3°F57.2°F
June 554.1°F57.4°F49.3°F58.6°F
June 654.5°F57°F50.4°F59.4°F
June 755.9°F56.5°F50.2°F57.4°F
June 857°F57°F50.9°F57.6°F
June 957.6°F55.6°F51.6°F57.9°F
June 1056.5°F55.4°F52.2°F58.3°F
June 1156.8°F55.6°F51.4°F57.9°F
June 1257.4°F57.2°F53.2°F57.4°F
June 1357.7°F58.1°F53.2°F58.1°F
June 1456.1°F57.7°F52.3°F58.8°F
June 1557°F56.5°F52.5°F59.4°F
Day 2025 2024 Min Max
June 1657.9°F56.8°F52.7°F59.9°F
June 1759.2°F57.2°F54.5°F59.4°F
June 1859.4°F57.9°F54.7°F59.4°F
June 1960.3°F60.3°F54.5°F60.3°F
June 2060.3°F60.1°F56.5°F62.1°F
June 2158.1°F61.3°F55.8°F64.2°F
June 22 61.3°F55.6°F64.6°F
June 2358.1°F60.8°F54.9°F64.8°F
June 2458.8°F58.8°F54.9°F65.1°F
June 2560.1°F59.7°F56.3°F64.2°F
June 2661.9°F59°F55.9°F63.5°F
June 2760.6°F58.6°F55.6°F62.4°F
June 2860.6°F57.2°F55.8°F63.9°F
June 2961°F57.6°F55.6°F63.3°F
June 3062.2°F56.1°F55.6°F62.6°F
South Portland water temp chart in June

Average water temperature in South Portland in June over a decade

20162017201820192020
56.7°F54.5°F55.6°F54.9°F56.8°F
20212022202320242025
56.8°F57.6°F57.4°F57.6°F57.4°F

South Portland sea state in June

Chart comparing the height of waves in South Portland in June 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 South Portland in June

South Portland 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 June?

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

AvrMinMax
Portland56.5°F48.9°F64.9°F
Peaks Island56.3°F48.6°F64.8°F
Scarborough56.8°F49.3°F65.5°F
Higgins Beach56.8°F49.3°F65.5°F
Pine Point57°F49.5°F65.7°F
Cape Elizabeth56.7°F49.1°F65.3°F
Saco57°F48.7°F65.8°F
Yarmouth56.7°F49.1°F64.9°F
Casco Bay56.1°F48.7°F64°F
Biddeford Pool57.2°F49.3°F65.8°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 South Portland 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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