Is Minnesota warm enough to swim in spring? In March water temperature throughout Minnesota is not yet warm enough for swimming and does not exceed 68°F. Based on average water temperature observations over the past ten years, the warmest water temperature in Minnesota in March was 34°F (in Silver Bay), and the coldest 32.2°F (in Wheelers Point). To find out the sea temperature today and in the coming days, go to Current sea temperature in Minnesota
Minnesota cities and resorts with the values of the average water temperature in March in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
To find out what the water temperature was in Minnesota any day over a period of the last ten years, select the month