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Water temperature in Mille Lacs Lake (MN) in August

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Is it warm enough to swim in Mille Lacs Lake in August? Average water temperature in Mille Lacs Lake in August is 72.5°F and therefore suitable for comfortable swimming. The warmest water in Mille Lacs Lake in August is 75.9°F, and the coldest is 66.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mille Lacs Lake

Changes water temperature in Mille Lacs Lake in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 173.6°F75.4°F70.3°F75.7°F
August 273.6°F75.2°F70.7°F75.9°F
August 373.6°F75.2°F71.1°F75.9°F
August 473.6°F75°F70.7°F75.4°F
August 573.4°F74.8°F71.1°F75.2°F
August 673.2°F73.9°F70.5°F75.2°F
August 773°F74.3°F70.3°F75°F
August 873.8°F74.1°F70.7°F75.2°F
August 973.6°F74.1°F70.9°F75.2°F
August 1073.6°F71.6°F71.1°F74.7°F
August 1173.6°F70.2°F70.2°F74.3°F
August 1273.6°F70.9°F70.9°F75.4°F
August 1373.4°F71.4°F69.6°F75.4°F
August 1473.9°F71.2°F69.6°F74.8°F
August 1573.6°F71.2°F70°F74.5°F
Day 2025 2024 Min Max
August 1673.2°F72.1°F70.7°F74.8°F
August 1772.7°F71.8°F71.1°F75°F
August 1872.3°F70.7°F70.5°F74.7°F
August 1972.7°F70.9°F70.2°F74.5°F
August 2072.5°F72°F69.6°F74.1°F
August 2172.9°F71.6°F69.6°F73.4°F
August 2272.9°F71.4°F69.8°F73.2°F
August 2372.5°F70.9°F69.3°F73°F
August 2471.6°F71.1°F68.2°F73.2°F
August 2570.9°F72.1°F67.3°F73.6°F
August 2670.9°F73.6°F67.6°F73.6°F
August 2769.8°F74.5°F68°F74.5°F
August 2870.3°F72.5°F68.5°F73.9°F
August 2970.3°F71.6°F68.2°F73.6°F
August 3069.4°F71.4°F66.7°F73.4°F
August 3169.8°F71.1°F66.9°F73.2°F
Mille Lacs Lake water temp chart in August

Average water temperature in Mille Lacs Lake in August over a decade

20162017201820192020
73.4°F71.4°F73°F72.1°F73.4°F
20212022202320242025
73°F72.3°F72.5°F72.5°F73.4°F

Mille Lacs Lake 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 August?

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

AvrMinMax
Duluth65.3°F52.3°F72°F
Park Point65.3°F52.3°F72°F
French River64.4°F43.5°F72.1°F
Knife River63.7°F48.2°F71.6°F
Two Harbors63.1°F50.2°F70.7°F
Port Wing64.6°F52°F71.6°F
Herbster64.6°F53.1°F72°F
Cornucopia64.9°F54.5°F72°F
Beaver Bay61.9°F43.3°F69.8°F
Ashland68.5°F62.1°F74.3°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 Mille Lacs Lake 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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