World sea water temperatures

Water temperature in Frenchboro (ME) in May

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Is it warm enough to swim in Frenchboro in May? Average water temperature in Frenchboro in May is 45°F and therefore is not suitable for comfortable swimming. The warmest sea in Frenchboro in May is 51.4°F, and the coldest is 39°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Frenchboro

Changes water temperature in Frenchboro in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 141°F44.1°F39°F44.1°F
May 241.7°F43.5°F40.3°F43.9°F
May 343°F43.7°F40.8°F44.2°F
May 441.9°F43.7°F40.1°F46°F
May 541.7°F44.6°F41.5°F45.1°F
May 641.9°F43.7°F41.9°F45°F
May 741.9°F44.2°F41.7°F45.1°F
May 842.8°F43.9°F41.9°F45.3°F
May 941.7°F43.7°F41.7°F45.5°F
May 1042.4°F43.9°F42.3°F45.3°F
May 1143°F44.2°F42.4°F45.5°F
May 1243.3°F43.5°F41.9°F46°F
May 1344.4°F45.9°F42.4°F46.2°F
May 1445°F46°F42.8°F46.9°F
May 1544.2°F45.1°F43°F46.9°F
Day 2025 2024 Min Max
May 1644.4°F44.4°F42.6°F47.3°F
May 1746.4°F46.4°F42.6°F47.8°F
May 1847.3°F46.6°F42.4°F48.6°F
May 1947.3°F45.1°F42.3°F49.1°F
May 2047.1°F45.9°F42.4°F50°F
May 2144.4°F45.5°F42.6°F50°F
May 2244.1°F46.8°F43.3°F50°F
May 2344.4°F47.8°F43°F51.4°F
May 2444.6°F48.7°F43.2°F51.4°F
May 2545.3°F48.2°F43.7°F50.9°F
May 2644.6°F48.4°F44.2°F51.1°F
May 2745.7°F48°F44.8°F50.9°F
May 2846°F48°F44.8°F51.3°F
May 2946.2°F48.2°F44.6°F50.9°F
May 3045.3°F47.8°F45.1°F50.2°F
May 3144.6°F48.4°F44.6°F50.7°F
Frenchboro water temp chart in May

Average water temperature in Frenchboro in May over a decade

20162017201820192020
46.6°F43.9°F45.1°F43.3°F44.4°F
20212022202320242025
46.4°F45.7°F45.9°F45.7°F44.1°F

Frenchboro sea state in May

Chart comparing the height of waves in Frenchboro in May 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 Frenchboro in May

Frenchboro 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 May?

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

AvrMinMax
Swans Island45.1°F39.2°F51.6°F
Marshall Island45.3°F39.6°F52°F
Islesford44.8°F38.5°F50.7°F
Union River Bay45.9°F39.6°F52.5°F
Seal Harbor Beach44.8°F38.5°F50.7°F
Ellsworth46.2°F39.6°F53.8°F
Sand Beach45°F38.5°F50.9°F
Deer Isle46.2°F39.9°F53.2°F
Bar Harbor45.5°F38.8°F52.9°F
Lamoine45.5°F38.8°F52.9°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 Frenchboro 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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