World sea water temperatures

Water temperature in Ashtabula (OH) in July

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Is it warm enough to swim in Ashtabula in July? Average water temperature in Ashtabula in July is 74.3°F and therefore suitable for comfortable swimming. The warmest water in Ashtabula in July is 80.2°F, and the coldest is 65.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ashtabula

Changes water temperature in Ashtabula in July 2025, 2024

To get an accurate forecast for the water temperature in Ashtabula for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ashtabula, 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 173.9°F70.9°F65.1°F74.5°F
July 274.1°F70.7°F66.6°F74.5°F
July 374.3°F70.9°F67.1°F75.6°F
July 474.7°F71.8°F68.5°F77.9°F
July 576.1°F73.2°F68.9°F76.8°F
July 676.8°F73.2°F69.8°F76.8°F
July 778.1°F73.6°F70.2°F78.1°F
July 876.8°F74.5°F70.3°F76.8°F
July 977.4°F74.5°F69.3°F77.9°F
July 1077.9°F74.7°F69.8°F78.4°F
July 1175.7°F73.8°F70.9°F77.4°F
July 1279.3°F74.7°F71.2°F79.3°F
July 1379.2°F74.7°F71.6°F79.2°F
July 1479.5°F74.5°F72°F79.5°F
July 1579.7°F75.2°F70.3°F79.7°F
Day 2025 2024 Min Max
July 1680.1°F75.7°F70.3°F80.1°F
July 1779.7°F76.3°F70.3°F79.7°F
July 1878.3°F76.6°F70.9°F79.2°F
July 1977.4°F76.3°F71.4°F77.9°F
July 2077.5°F76.8°F71.4°F77.5°F
July 2177.5°F76.8°F72.5°F77.5°F
July 2276.6°F77.2°F72.5°F77.2°F
July 2376.6°F77.2°F72.9°F77.5°F
July 2476.5°F76.5°F73.2°F77.4°F
July 2576.3°F76.5°F72.7°F77.9°F
July 2676.6°F76.1°F72.9°F78.6°F
July 2777.7°F75°F72.7°F78.4°F
July 2878.3°F75.2°F71.8°F78.8°F
July 2979.7°F75.6°F72.1°F79.7°F
July 3080.2°F75.7°F71.8°F80.2°F
July 3179.7°F77.2°F71.4°F79.7°F
Ashtabula water temp chart in July

Average water temperature in Ashtabula in July over a decade

20162017201820192020
74.1°F72.9°F75.6°F74.3°F76.6°F
20212022202320242025
72.7°F73.4°F73.8°F74.8°F77.5°F

Ashtabula sea state in July

Chart comparing the height of waves in Ashtabula 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 Ashtabula in July

Ashtabula 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
Conneaut74.3°F65.5°F80.4°F
Fairport Harbor74.5°F66.2°F81.3°F
Headlands Beach74.5°F66.6°F81.3°F
Presque Isle Bay74.5°F66°F80.1°F
Mentor on the Lake74.5°F66.6°F81°F
Port Bruce72.5°F63.1°F79.5°F
Port Burwell72.1°F63.5°F79°F
Long Point72.7°F63.5°F79.3°F
Euclid75°F65.5°F81.7°F
Port Stanley72.3°F63°F79.3°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 Ashtabula 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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