World sea water temperatures

Water temperature in Swansea (MA) in July

Is it warm enough to swim in Swansea in July? Average water temperature in Swansea in July is 71.6°F and therefore suitable for comfortable swimming. The warmest sea in Swansea in July is 78.3°F, and the coldest is 63.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Swansea

Changes water temperature in Swansea in July 2025, 2024

To get an accurate forecast for the water temperature in Swansea for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Swansea, 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 172.1°F69.4°F63.3°F72.3°F
July 271.8°F70.2°F66.9°F72°F
July 372.5°F70.7°F64°F73.4°F
July 472°F71.2°F66.4°F72.5°F
July 572°F70.7°F64.4°F73.6°F
July 673.2°F70.3°F63.9°F74.8°F
July 773°F70.5°F66.6°F73.6°F
July 875.2°F72.1°F64.8°F75.2°F
July 975°F72°F68°F75°F
July 1074.3°F74.7°F68.2°F74.7°F
July 1173.9°F73°F69.8°F75.2°F
July 1271.1°F72.9°F66°F74.5°F
July 1373.4°F73.4°F66.2°F75.7°F
July 1471.4°F75.2°F67.1°F75.2°F
July 1573°F76.1°F66.6°F76.1°F
Day 2025 2024 Min Max
July 1672.9°F78.3°F66.7°F78.3°F
July 1775°F76.6°F67.5°F76.6°F
July 1876.3°F77.5°F67.8°F77.5°F
July 1975.6°F77°F68°F77°F
July 2076.5°F75.7°F69.1°F76.8°F
July 2175.4°F74.5°F66.7°F76.5°F
July 2274.8°F75.4°F67.3°F77°F
July 2374.3°F74.5°F68.4°F77.5°F
July 2474.8°F73.9°F66°F78.1°F
July 2575.2°F72.9°F66.7°F76.8°F
July 2675.4°F72.3°F72.3°F75.4°F
July 2774.3°F72.7°F70.5°F76.5°F
July 2873.9°F73.2°F68.5°F78.3°F
July 2976.1°F73.8°F68.9°F77.9°F
July 3076.3°F72.7°F69.4°F76.8°F
July 3176.3°F72.3°F69.4°F76.3°F
Swansea water temp chart in July

Average water temperature in Swansea in July over a decade

20162017201820192020
71.2°F70.3°F73.2°F73.6°F74.5°F
20212022202320242025
72°F74.3°F74.8°F73.4°F74.1°F

Swansea 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

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Our report for Swansea 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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