Water temperature in Knife River (MN) in April

Is it warm enough to swim in Knife River in April? Average water temperature in Knife River in April is 34.9°F and therefore is not suitable for comfortable swimming. The warmest water in Knife River in April is 39.2°F, and the coldest is 31.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Knife River

Changes water temperature in Knife River in April 2025, 2024

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

Average water temperature in Knife River in April over a decade

You can also view information about water temperature for other months by clicking on the month button below

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Knife River 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.