World sea water temperatures

Water temperature in Guilford (CT) in July

Is it warm enough to swim in Guilford in July? Average water temperature in Guilford in July is 72°F and therefore suitable for comfortable swimming. The warmest sea in Guilford in July is 78.4°F, and the coldest is 64.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Guilford

Changes water temperature in Guilford in July 2025, 2024

To get an accurate forecast for the water temperature in Guilford for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Guilford, 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 168.4°F67.3°F66°F71.4°F
July 268.4°F66.9°F66°F72.1°F
July 369.6°F67.6°F65.3°F72.1°F
July 469.1°F68.5°F65.8°F73.8°F
July 568.4°F71.2°F64.9°F74.7°F
July 669.4°F71.2°F64.4°F74.8°F
July 770.2°F71.4°F65.5°F74.8°F
July 872.9°F71.4°F66°F74.5°F
July 972.5°F72°F66.7°F74.8°F
July 1072.5°F74.1°F67.1°F74.8°F
July 1173.9°F74.1°F67.5°F74.7°F
July 1273.2°F73°F67.5°F74.8°F
July 1373.6°F74.5°F67.6°F74.5°F
July 1470.7°F75°F68.4°F75°F
July 1574.8°F75.6°F68°F75.6°F
Day 2025 2024 Min Max
July 1672.9°F77.4°F68.5°F77.4°F
July 1774.5°F74.5°F69.1°F76.3°F
July 1872.9°F74.1°F69.4°F76.6°F
July 1972.3°F72.7°F70°F77.2°F
July 2072.7°F73.9°F70°F76.1°F
July 2173.4°F74.7°F69.3°F75.6°F
July 2272.3°F74.7°F69.4°F76.3°F
July 2372.9°F74.3°F68.9°F77°F
July 2472.9°F74.1°F68.2°F76.6°F
July 2573.4°F72.1°F68.7°F76.3°F
July 2673.4°F70.7°F69.4°F76.3°F
July 2774.3°F71.8°F71.1°F76.8°F
July 2875.9°F71.2°F69.8°F77.9°F
July 2976.6°F72°F70°F78.4°F
July 3075.2°F72.5°F70.5°F77.2°F
July 3176.3°F73.8°F70.7°F78.3°F
Guilford water temp chart in July

Average water temperature in Guilford in July over a decade

20162017201820192020
72.3°F71.6°F73°F72.7°F73.8°F
20212022202320242025
70.9°F73°F73.9°F72.5°F72.5°F

Guilford sea state in July

Chart comparing the height of waves in Guilford 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 Guilford in July

Guilford 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
Stony Creek Beach72.3°F64.8°F78.8°F
Hammonasset Beach70.9°F63.9°F76.8°F
Mattituck73°F64.2°F80.8°F
Breakwater Beach73°F64°F81°F
Southold72.3°F63.5°F80.6°F
New Haven72.5°F65.3°F78.3°F
Greenport71.6°F63.3°F79.3°F
Shelter Island Heights71.6°F63.3°F79.3°F
Shoreham72.5°F65.1°F79°F
Woodmont72.5°F65.3°F78.3°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 Guilford 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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