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Water temperature in Cold Spring Harbor (NY) in July

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Is it warm enough to swim in Cold Spring Harbor in July? Average water temperature in Cold Spring Harbor in July is 72.5°F and therefore suitable for comfortable swimming. The warmest sea in Cold Spring Harbor in July is 80.4°F, and the coldest is 65.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cold Spring Harbor

Changes water temperature in Cold Spring Harbor in July 2025, 2024

To get an accurate forecast for the water temperature in Cold Spring Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cold Spring Harbor, 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 174.8°F69.3°F67.1°F74.8°F
July 273.9°F68.9°F67.3°F73.9°F
July 374.8°F68.5°F66.7°F74.8°F
July 473.9°F69.1°F66.9°F73.9°F
July 573.8°F69.3°F66.7°F75°F
July 674.8°F70.9°F65.7°F75.4°F
July 774.5°F72.5°F66.6°F74.7°F
July 875°F72.3°F66.7°F75°F
July 975.7°F71.4°F67.6°F75.7°F
July 1075.2°F74.1°F67.8°F75.2°F
July 1174.3°F75.9°F68.5°F75.9°F
July 1273°F75.2°F68.5°F76.5°F
July 1373°F75.9°F68°F75.9°F
July 1472°F75.6°F68.4°F76.6°F
July 1573.8°F77.2°F68°F77.2°F
Day 2025 2024 Min Max
July 1674.7°F77°F68.2°F77°F
July 1775°F78.1°F68.7°F78.1°F
July 1876.6°F76.1°F69.1°F76.6°F
July 1975.4°F76.5°F69.3°F76.5°F
July 2075.2°F76.3°F69.3°F77.7°F
July 2176.1°F74.1°F69.3°F77.5°F
July 2274.5°F73.9°F69.4°F77.5°F
July 2373.8°F73.4°F69.1°F77.9°F
July 2474.1°F73.2°F69.1°F77.4°F
July 2575.6°F72.7°F69.1°F78.6°F
July 2675.6°F72.5°F70°F77.7°F
July 2775.4°F73°F70.3°F80.4°F
July 2876.5°F72.3°F70.7°F80.4°F
July 2977°F73.6°F70.9°F79.5°F
July 3077.4°F74.3°F71.1°F78.3°F
July 3176.1°F75.9°F71.2°F77.4°F
Cold Spring Harbor water temp chart in July

Average water temperature in Cold Spring Harbor in July over a decade

20162017201820192020
72.7°F71.8°F72.5°F73.8°F75.4°F
20212022202320242025
73.4°F73°F75.2°F73.6°F74.8°F

Cold Spring Harbor sea state in July

Chart comparing the height of waves in Cold Spring Harbor 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 Cold Spring Harbor in July

Cold Spring Harbor 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
New York City73.6°F67.8°F78.8°F
Lloyd Harbor72.5°F65.7°F80.4°F
Centre Island72.5°F65.7°F80.4°F
Oyster Bay Cove72.5°F65.7°F80.1°F
Eatons Neck72.5°F65.7°F79.9°F
Halesite72.5°F65.7°F79.9°F
Huntington Bay72.5°F65.7°F79.9°F
Northport72.5°F65.7°F80.8°F
Lattingtown72.3°F65.7°F79.3°F
West Beach72.3°F65.7°F78.1°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 Cold Spring Harbor 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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