World sea water temperatures

Water temperature in Cayucos (CA) in May

Is it warm enough to swim in Cayucos in May? Average water temperature in Cayucos in May is 53.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Cayucos in May is 56.8°F, and the coldest is 49.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cayucos

Changes water temperature in Cayucos in May 2025, 2024

To get an accurate forecast for the water temperature in Cayucos for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cayucos, 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 152.9°F52°F50.9°F55.8°F
May 253.6°F52.5°F51.1°F55.8°F
May 354°F52.5°F51.1°F55.9°F
May 453.8°F53.1°F51.3°F55.9°F
May 553.4°F51.4°F51.4°F55°F
May 654.5°F51.6°F51.6°F55°F
May 754.5°F51.3°F51.1°F55.9°F
May 854.3°F51.3°F51.1°F56.3°F
May 955.4°F52°F50.9°F56.7°F
May 1056.1°F52.3°F51.1°F56.3°F
May 1155.6°F52.9°F51.1°F56.3°F
May 1254.3°F52.9°F50.9°F56.3°F
May 1353.6°F52.9°F51.4°F56.1°F
May 1454°F53.1°F51.4°F56.1°F
May 1553.4°F53.1°F51.4°F55.9°F
Day 2025 2024 Min Max
May 1653.1°F52.9°F50.2°F55.4°F
May 1753.4°F53.2°F49.3°F55.2°F
May 1853.2°F53.6°F50°F55°F
May 1954°F53.8°F51.4°F55.4°F
May 2054.3°F53.8°F50.5°F55.8°F
May 2154.5°F54°F50°F55.6°F
May 2253.4°F53.6°F50.7°F55.6°F
May 2353.4°F53.6°F50.7°F55.2°F
May 2453.2°F54.3°F51.3°F54.9°F
May 2553.4°F53.6°F51.4°F55.6°F
May 2652.3°F53.4°F51.6°F56.3°F
May 2751.3°F54.1°F51.3°F56.7°F
May 2851.8°F53.4°F51.8°F56.1°F
May 2953.4°F53.6°F52°F56.1°F
May 3053.6°F53.4°F52°F56.5°F
May 3154.9°F52.9°F52.3°F56.8°F
Cayucos water temp chart in May

Average water temperature in Cayucos in May over a decade

20162017201820192020
54.7°F52.9°F53.1°F54.3°F54.5°F
20212022202320242025
53.6°F52.7°F52.7°F52.9°F53.8°F

Cayucos sea state in May

Chart comparing the height of waves in Cayucos 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 Cayucos in May

Cayucos 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
Los Osos53.8°F50.5°F57.4°F
San Simeon52.9°F49.5°F56.7°F
San Luis Obispo53.6°F49.5°F57.7°F
Pismo Beach53.6°F49.8°F58.3°F
Ragged Point52.7°F47.7°F57.2°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 Cayucos 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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