Water temperature in Rialto Beach (WA) in December

Is it warm enough to swim in Rialto Beach in December? Average water temperature in Rialto Beach in December is 48.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Rialto Beach in December is 53.8°F, and the coldest is 45.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Rialto Beach

Changes water temperature in Rialto Beach in December 2024, 2023

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

Average water temperature in Rialto Beach in December 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 December. 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 Rialto Beach 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.