World sea water temperatures

Water temperature in Summerland (CA) in May

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Is it warm enough to swim in Summerland in May? Average water temperature in Summerland in May is 58.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Summerland in May is 63.7°F, and the coldest is 53.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Summerland

Changes water temperature in Summerland in May 2025, 2024

To get an accurate forecast for the water temperature in Summerland for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Summerland, 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 157.9°F59.2°F53.6°F62.1°F
May 257.9°F59.5°F53.8°F60.8°F
May 358.3°F59.4°F54.9°F59.9°F
May 458.3°F59.9°F54.7°F59.9°F
May 559.7°F57.4°F54.3°F59.9°F
May 660.3°F55.6°F54.7°F60.3°F
May 759.2°F56.3°F54.7°F61.3°F
May 859.4°F57.9°F55°F63°F
May 961°F58.3°F54.9°F62.2°F
May 1061.3°F58.3°F54.9°F61.9°F
May 1162.1°F58.1°F54.7°F62.1°F
May 1261.7°F57.9°F55.2°F61.7°F
May 1360.3°F57.9°F55.4°F61.2°F
May 1459.2°F56.8°F55.6°F60.8°F
May 1559.7°F57°F55.4°F61°F
Day 2025 2024 Min Max
May 1659.4°F57.2°F55.2°F61.3°F
May 1760.1°F56.3°F55.4°F61.9°F
May 1859.4°F56.5°F55.2°F61.7°F
May 1960.1°F56.7°F54.3°F62.4°F
May 2061.3°F57.2°F54.9°F61.9°F
May 2162.1°F57.4°F55.2°F62.1°F
May 2262.6°F56.8°F54.9°F62.6°F
May 2363.7°F57.2°F53.6°F63.7°F
May 2461.5°F59.2°F54.1°F61.5°F
May 2561.3°F59.2°F54.1°F61.3°F
May 2661.9°F59.4°F54.9°F61.9°F
May 2762.8°F58.5°F55.4°F62.8°F
May 2861.3°F59.7°F55.6°F62.4°F
May 2962.4°F58.8°F54°F62.8°F
May 3062.4°F57.9°F54.1°F62.8°F
May 3163.5°F57.9°F54.7°F63.5°F
Summerland water temp chart in May

Average water temperature in Summerland in May over a decade

20162017201820192020
59.7°F57.9°F58.5°F58.3°F60.3°F
20212022202320242025
59.5°F58.3°F59.4°F57.9°F60.6°F

Summerland sea state in May

Chart comparing the height of waves in Summerland in May over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Summerland in May

Summerland 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

Best Beach Resorts in California in May

Places with the warmest average sea water temperature in California in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego63°F57.4°F68°F
Santa Monica61.3°F55.9°F68.4°F
La Jolla Cove64°F58.1°F69.6°F
Lake Tahoe50.7°F43.9°F59°F
Los Angeles60.8°F56.5°F65.1°F
Santa Claus Beach58.3°F53.6°F64°F
Leadbetter Beach58.3°F53.4°F63.5°F
Shoreline Park58.3°F53.4°F63.5°F
East Beach58.3°F53.4°F63.5°F
Thousand Steps Beach58.3°F53.4°F63.5°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 Summerland 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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