World sea water temperatures

Water temperature in Acadia (ME) in July

Is it warm enough to swim in Acadia in July? Average water temperature in Acadia in July is 54.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Acadia in July is 61.3°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 Acadia

Changes water temperature in Acadia in July 2025, 2024

To get an accurate forecast for the water temperature in Acadia for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Acadia, 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 151.6°F55.2°F49.8°F56.1°F
July 253.2°F55°F50°F56.1°F
July 351.6°F54.7°F50.5°F56.1°F
July 454.1°F52.9°F50.7°F56.5°F
July 554.1°F53.6°F50°F56.5°F
July 654.7°F54°F49.3°F56.3°F
July 754.7°F55.9°F49.5°F57.7°F
July 855.8°F55.9°F49.8°F58.6°F
July 954.5°F57°F49.8°F59.9°F
July 1053.8°F57.9°F50.4°F59.2°F
July 1154.1°F55.6°F50.5°F58.8°F
July 1252.7°F56.1°F50.7°F58.6°F
July 1353.4°F57.7°F51.1°F59.2°F
July 1452.3°F58.1°F52.2°F59.9°F
July 1554.3°F58.8°F52.2°F58.8°F
Day 2025 2024 Min Max
July 1653.6°F59°F51.8°F59°F
July 1753.1°F58.5°F52.2°F59.9°F
July 1855°F56.3°F51.6°F60.1°F
July 1954.5°F58.5°F51.6°F60.3°F
July 2053.2°F58.5°F51.3°F61.3°F
July 2154.3°F58.3°F51.1°F61°F
July 2255.2°F57.9°F51.4°F59.2°F
July 2355.9°F58.1°F50.7°F59.2°F
July 2456.1°F56.7°F51.8°F60.6°F
July 2554.9°F56.7°F52°F59.2°F
July 2655°F55.9°F52.5°F58.5°F
July 2754.9°F55.8°F52.9°F59°F
July 2854.9°F55°F52.9°F58.8°F
July 2955.6°F53.2°F52.7°F60.8°F
July 3054.9°F55.4°F52.9°F60.8°F
July 3155°F54.3°F52.9°F59.4°F
Acadia water temp chart in July

Average water temperature in Acadia in July over a decade

20162017201820192020
55.6°F52.7°F54.1°F55.2°F55.2°F
20212022202320242025
55.2°F56.8°F55.2°F56.3°F54.1°F

Acadia sea state in July

Chart comparing the height of waves in Acadia 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 Acadia in July

Acadia 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
Seal Harbor Beach54.9°F49.3°F61.3°F
Islesford54.5°F49.3°F61.5°F
Sand Beach55°F49.6°F61.9°F
Winter Harbor55°F50°F61.5°F
Lamoine56.3°F50.2°F64.9°F
Union River Bay56.7°F50.5°F64.4°F
Frenchboro55.2°F49.1°F61.9°F
Ellsworth57.4°F50.7°F66.2°F
Swans Island55.4°F48.9°F61.9°F
Sedgwick57.4°F50.9°F65.7°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 Acadia 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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