World sea water temperatures

Water temperature in Monhegan (ME) in July

Is it warm enough to swim in Monhegan in July? Average water temperature in Monhegan in July is 60.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Monhegan in July is 70.2°F, and the coldest is 52.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Monhegan

Changes water temperature in Monhegan in July 2025, 2024

To get an accurate forecast for the water temperature in Monhegan for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Monhegan, 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 158.6°F56.8°F53.2°F61.9°F
July 257.2°F57.6°F52.5°F61.2°F
July 358.6°F58.8°F52.7°F61.2°F
July 457.7°F58.8°F53.4°F61.3°F
July 557.7°F58.1°F54.5°F62.8°F
July 657.4°F58.3°F55.8°F62.8°F
July 757.6°F61.9°F55.8°F63.5°F
July 856.5°F63.1°F53.6°F63.7°F
July 957.6°F63.3°F54.9°F64.2°F
July 1057.6°F64.4°F56.7°F64.4°F
July 1157.6°F64.6°F56.7°F64.6°F
July 1258.6°F61.9°F56.1°F63.7°F
July 1358.1°F62.8°F57°F63.7°F
July 1458.8°F62.6°F58.1°F65.8°F
July 1562.2°F62.2°F57.7°F65.5°F
Day 2025 2024 Min Max
July 1664°F62.2°F57.2°F64.9°F
July 1764.9°F63.1°F57.4°F65.3°F
July 1862.6°F65.3°F57.2°F66°F
July 1961.7°F64°F57.6°F65.3°F
July 2060.8°F63.5°F58.6°F64.8°F
July 2159.7°F65.8°F58.8°F65.8°F
July 2259.4°F63.7°F57.4°F66.2°F
July 2360.3°F63.5°F58.5°F66.6°F
July 2459.5°F62.2°F56.8°F70.2°F
July 2559.5°F62.8°F57°F68.5°F
July 2660.3°F64.9°F57.4°F69.1°F
July 2757.9°F64°F57.6°F67.8°F
July 2858.6°F64°F58.3°F68.5°F
July 2961.5°F61.7°F57.7°F67.8°F
July 3063.1°F62.8°F58.3°F66.9°F
July 3163°F61.7°F58.6°F66.9°F
Monhegan water temp chart in July

Average water temperature in Monhegan in July over a decade

20162017201820192020
61.9°F59.5°F60.3°F59.7°F63.1°F
20212022202320242025
59°F61.7°F63.5°F62.2°F59.7°F

Monhegan sea state in July

Chart comparing the height of waves in Monhegan 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 Monhegan in July

Monhegan 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
Christmas Cove61°F52.3°F68.5°F
Cushing59.5°F53.2°F67.1°F
Friendship60.4°F52.9°F67.8°F
Waldoboro60.4°F52.9°F67.8°F
Southport61.3°F52.9°F70.3°F
Saint George59.2°F53.4°F65.8°F
Boothbay Harbor61.5°F53.1°F71.4°F
Reid State Park61.7°F53.4°F71.8°F
Georgetown61.7°F53.4°F71.8°F
Popham Beach62.1°F53.6°F71.2°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 Monhegan 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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