World sea water temperatures

Water temperature in Rialto Beach (WA) in May

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Is it warm enough to swim in Rialto Beach in May? Average water temperature in Rialto Beach in May is 52.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Rialto Beach in May is 57.7°F, and the coldest is 47.8°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 May 2025, 2024

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 May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 148.6°F51.3°F48.2°F52.9°F
May 248.7°F51.8°F48.6°F53.6°F
May 348.9°F52.3°F48.6°F55°F
May 449.5°F52.3°F48.7°F54°F
May 549.3°F52.3°F48.7°F53.6°F
May 649.5°F52°F49.5°F53.6°F
May 749.6°F52.2°F49.6°F54.5°F
May 848.9°F52.2°F48.4°F54.5°F
May 949.3°F52.9°F48.6°F53.6°F
May 1049.6°F52.3°F48.7°F53.8°F
May 1149.8°F53.2°F48.6°F54.5°F
May 1251.3°F51.3°F50°F53.6°F
May 1350.4°F51.1°F49.1°F55.8°F
May 1451.1°F50.5°F49.5°F57°F
May 1551.4°F50.5°F50°F57.2°F
Day 2025 2024 Min Max
May 1651.6°F50.5°F50.5°F54.1°F
May 1751.6°F48.9°F48.9°F55.9°F
May 1851.6°F49.3°F49.3°F57.4°F
May 1951.6°F50°F50°F56.3°F
May 2051.8°F50°F50°F55.4°F
May 2152.5°F50.4°F50.4°F55.4°F
May 2252.3°F49.5°F49.5°F57.4°F
May 2353.1°F50°F50°F57.4°F
May 2453.2°F50.4°F50.4°F54.5°F
May 2553.4°F50.7°F50.7°F56.5°F
May 2653.8°F51.1°F51.1°F56.5°F
May 2754°F51.3°F51.3°F55.9°F
May 2855.4°F52°F51.6°F56.3°F
May 2955.9°F51.8°F51.4°F55.9°F
May 3055.6°F52.3°F50.5°F55.6°F
May 3155.4°F52.7°F49.6°F55.4°F
Rialto Beach water temp chart in May

Average water temperature in Rialto Beach in May over a decade

20162017201820192020
53.6°F53.2°F53.6°F53.4°F55.4°F
20212022202320242025
52.3°F52.7°F52.5°F51.3°F51.6°F

Rialto Beach 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
Sooke49.5°F46.6°F54°F
Moclips53.4°F48.7°F58.5°F
Port Angeles49.6°F46.2°F52.9°F
Copalis Beach54°F48.9°F60.8°F
Esquimalt49.3°F46.6°F52.9°F
James Bay49.3°F46.4°F52.2°F
Ocean City54°F48.7°F60.4°F
Bamfield52.3°F47.1°F56.8°F
Victoria49.3°F46.4°F52°F
Ocean Shores53.8°F48.4°F59.5°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 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.

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