World sea water temperatures

Water temperature in Bayfield (WI) in July

Is it warm enough to swim in Bayfield in July? Average water temperature in Bayfield in July is 66°F and therefore is not suitable for comfortable swimming. The warmest water in Bayfield in July is 76.1°F, and the coldest is 52.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Bayfield

Changes water temperature in Bayfield in July 2025, 2024

To get an accurate forecast for the water temperature in Bayfield for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Bayfield, 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 161°F59°F52.5°F70.5°F
July 261.9°F59.5°F53.6°F72.1°F
July 362.6°F59.7°F55.8°F73.6°F
July 465.1°F59.4°F56.1°F74.5°F
July 564.6°F59.5°F56.7°F75.6°F
July 665.3°F61.5°F57.4°F75.7°F
July 763.1°F63.5°F56.7°F74.8°F
July 862.2°F64.4°F56.8°F75.9°F
July 961.7°F65.5°F57.4°F75°F
July 1060.6°F64°F57.6°F74.7°F
July 1163.7°F66°F59.2°F73.9°F
July 1266.2°F67.3°F61.7°F73.6°F
July 1365.7°F69.6°F60.4°F73.6°F
July 1464°F71.4°F60.6°F74.7°F
July 1564.2°F71.8°F59.7°F74.3°F
Day 2025 2024 Min Max
July 1664.4°F71.8°F61.2°F74.5°F
July 1762.1°F68.5°F62.1°F73°F
July 1862.2°F67.5°F62.2°F73.4°F
July 1961.2°F68.2°F61.2°F70.7°F
July 2061.7°F68.5°F61.7°F70.3°F
July 2163.3°F69.1°F63.1°F72.7°F
July 2263.9°F69.3°F63.9°F72.5°F
July 2364°F68°F63.1°F72.9°F
July 2464.4°F66°F63.7°F72.9°F
July 2565.5°F66.6°F63.3°F72.7°F
July 2664.9°F67.5°F62.2°F76.1°F
July 2765.8°F68.5°F61.3°F71.2°F
July 2866.2°F70.9°F60.4°F71.4°F
July 2966.6°F70.5°F62.4°F71.4°F
July 3066.7°F70°F62.8°F72.1°F
July 3169.3°F69.3°F62.6°F73°F
Bayfield water temp chart in July

Average water temperature in Bayfield in July over a decade

20162017201820192020
66.4°F64.2°F64.4°F66.7°F71.8°F
20212022202320242025
67.3°F61.7°F65.3°F66.6°F64°F

Bayfield sea state in July

Chart comparing the height of waves in Bayfield 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 Bayfield in July

Bayfield 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
Madeline Island65.1°F52.2°F75.7°F
Big Bay State Park65.1°F52.2°F75.7°F
Washburn65.5°F52.7°F75.6°F
Cornucopia60.3°F41.9°F70.3°F
Apostle Islands61.5°F46.9°F71.8°F
Herbster59.7°F40.3°F70.5°F
Port Wing59.9°F40.3°F71.4°F
Beaver Bay55°F37°F69.8°F
Silver Bay54.7°F37°F69.4°F
Knife River60.1°F41.4°F74.5°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 Bayfield 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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