World sea water temperatures

Water temperature in Washburn (WI) in May

Is it warm enough to swim in Washburn in May? Average water temperature in Washburn in May is 41.9°F and therefore is not suitable for comfortable swimming. The warmest water in Washburn in May is 52.9°F, and the coldest is 32.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Washburn

Changes water temperature in Washburn in May 2025, 2024

To get an accurate forecast for the water temperature in Washburn for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Washburn, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 139.2°F43.3°F33.8°F47.7°F
May 239.2°F39.4°F34.9°F48.6°F
May 341.4°F40.1°F34.9°F42.1°F
May 441.9°F43.9°F32.9°F43.9°F
May 541.7°F40.8°F32.5°F42.3°F
May 643.2°F39.2°F32.9°F43.2°F
May 742.1°F40.8°F33.4°F43.5°F
May 842.8°F39.2°F33.6°F43.2°F
May 943.9°F40.1°F35.4°F44.1°F
May 1042.8°F42.3°F33.8°F44.1°F
May 1143.9°F43.2°F34°F43.9°F
May 1246°F46°F34.2°F46.9°F
May 1345.5°F45.3°F34.2°F45.5°F
May 1445.3°F45.1°F34°F47.5°F
May 1542.4°F45.9°F34.5°F46.9°F
Day 2025 2024 Min Max
May 1641.5°F45.7°F35.1°F46.8°F
May 1743.5°F45.3°F35.6°F46.6°F
May 1844.1°F45.3°F36.1°F47.1°F
May 1942.8°F45.7°F36.7°F48.9°F
May 2040.8°F46°F37.8°F48.6°F
May 2141.4°F44.6°F37.9°F48.9°F
May 2242.4°F45.1°F38.3°F49.5°F
May 2341.2°F45°F39°F49.6°F
May 2443.5°F46.2°F38.8°F50°F
May 2546.4°F46.8°F37.9°F48.9°F
May 2648.6°F45.7°F38.1°F49.1°F
May 2749.1°F45°F39°F51.8°F
May 2849.5°F45.1°F39.6°F49.5°F
May 2951.3°F49.6°F40.1°F51.4°F
May 3052.9°F49.3°F40.3°F52.9°F
May 3152.5°F47.8°F38.1°F52.5°F
Washburn water temp chart in May

Average water temperature in Washburn in May over a decade

20162017201820192020
45.3°F41.5°F39.2°F41.7°F42.8°F
20212022202320242025
45.3°F38.5°F37.6°F44.2°F44.2°F

Washburn sea state in May

Chart comparing the height of waves in Washburn in May 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 Washburn in May

Washburn 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Madeline Island41.4°F32.7°F51.6°F
Big Bay State Park41.4°F32.7°F51.6°F
Apostle Islands39.6°F34°F47.8°F
Cornucopia39.4°F33.3°F50.2°F
Herbster38.5°F33.1°F46°F
Port Wing38.7°F33.3°F46.8°F
Beaver Bay36.9°F32.7°F41.7°F
Silver Bay36.9°F32.5°F41.7°F
Two Harbors37.4°F33.1°F46.4°F
Knife River37.9°F32.9°F48.9°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 Washburn 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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