World sea water temperatures

Water temperature in Montauk in July

Is it warm enough to swim in Montauk in July? Average water temperature in Montauk in July is 68.5°F and therefore suitable for comfortable swimming. The warmest sea in Montauk in July is 73.8°F, and the coldest is 62.1°F. Average high air temperature in Montauk in July is 79°F, and average low temperature is 66°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Montauk

Changes water temperature in Montauk in July 2025, 2024

To get an accurate forecast for the water temperature in Montauk for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Montauk, 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 166.6°F62.6°F62.6°F68.2°F
July 266.2°F61.9°F61.9°F67.1°F
July 365.7°F64°F64°F69.1°F
July 465.7°F65.5°F64.6°F68°F
July 565.7°F66.4°F63.5°F71.2°F
July 666.2°F69.1°F63°F70.5°F
July 767.8°F70.7°F66°F71.6°F
July 869.8°F69.8°F64.4°F71.4°F
July 968.2°F69.4°F66.2°F71.1°F
July 1068.4°F68.9°F65.3°F68.9°F
July 1168.7°F66.9°F65.3°F73.9°F
July 1268.5°F67.3°F66°F69.8°F
July 1370.7°F68.7°F65.3°F72.7°F
July 1470°F69.3°F65.8°F72.5°F
July 1569.4°F70°F65.5°F71.6°F
Day 2025 2024 Min Max
July 1670.9°F71.1°F65.8°F72.1°F
July 1770.2°F70.9°F67.1°F71.8°F
July 1869.3°F71.1°F67.5°F73°F
July 1968°F68.5°F67.6°F73.4°F
July 2069.8°F70.7°F67.8°F73.6°F
July 2168.4°F68.9°F67.3°F73.6°F
July 2269.1°F68.9°F67.3°F71.8°F
July 2369.3°F68.7°F67.6°F72.5°F
July 2469.4°F69.1°F65.3°F71.4°F
July 2567.6°F70°F66.2°F72.3°F
July 2668.2°F68.5°F68.2°F70.3°F
July 2769.8°F68.5°F68.5°F71.6°F
July 2870.7°F69.1°F67.3°F72°F
July 2969.6°F68.5°F67.8°F72.3°F
July 3072.3°F69.6°F68.4°F72.3°F
July 3172.1°F68.7°F68.2°F72.1°F
Montauk water temp chart in July

Average water temperature in Montauk in July over a decade

20162017201820192020
68.4°F68.2°F68.9°F68.2°F69.3°F
20212022202320242025
67.3°F68.4°F70.3°F68.2°F68.5°F

Montauk sea state in July

Chart comparing the height of waves in Montauk 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 Montauk in July

Weather and climate in Montauk in July

This data display average monthly climate indicators in Montauk in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature79°F
  • Average LOW temperature66°F
  • Average rainfall97mm/3.8''

Montauk 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
Ditch Plains Beach68.9°F61.9°F73.9°F
Hither Hills69.1°F63°F73.9°F
Napeague69.4°F63°F74.5°F
Springs69.6°F63°F75°F
Fishers Island67.5°F61.2°F73°F
Plum Island69.1°F62.6°F75°F
Amagansett70°F62.6°F74.7°F
Gardiners Bay70.5°F63°F77.4°F
Orient Point70.2°F62.8°F76.8°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 Montauk 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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