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Water temperature in San Miguel Island (CA) in December

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Is it warm enough to swim in San Miguel Island in December? Average water temperature in San Miguel Island in December is 57.9°F and therefore is not suitable for comfortable swimming. The warmest sea in San Miguel Island in December is 63.7°F, and the coldest is 53.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Miguel Island

Changes water temperature in San Miguel Island in December 2024, 2023

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

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
December 157°F59.4°F54.3°F62.8°F
December 256.7°F58.8°F54.5°F63°F
December 356.7°F59°F54.9°F62.6°F
December 456.8°F60.6°F54.7°F62.4°F
December 557.6°F61°F55°F62.6°F
December 657.7°F61.3°F54.7°F63.1°F
December 757.9°F60.3°F55.6°F63°F
December 857.9°F58.8°F55.6°F63.7°F
December 958.3°F58.3°F55.6°F63.3°F
December 1058.3°F59.2°F55.8°F63°F
December 1158.1°F58.8°F55.9°F63°F
December 1257.6°F59.5°F55.2°F62.4°F
December 1356.8°F60.1°F55.8°F62.2°F
December 1456.7°F60.4°F55.2°F62.2°F
December 1556.3°F60.8°F55.6°F61.7°F
Day 2024 2023 Min Max
December 1655.6°F60.6°F55.6°F61.5°F
December 1755.8°F60.6°F55.8°F61.5°F
December 1855.6°F61.5°F55.6°F61.5°F
December 1956.5°F60.6°F55.6°F61.5°F
December 2056.5°F61.3°F56.1°F61.7°F
December 2156.5°F61°F55.9°F61.5°F
December 2257.6°F61°F55.9°F61.7°F
December 2356.3°F61°F56.1°F62.4°F
December 2456.5°F60.6°F56.1°F62.1°F
December 2556.1°F61°F55.9°F61°F
December 2654.5°F60.3°F54.5°F60.3°F
December 2754.3°F60.3°F54.3°F60.3°F
December 2853.8°F60.6°F53.8°F60.6°F
December 2954.9°F60.4°F54.9°F60.4°F
December 3054.3°F60.6°F53.4°F60.6°F
December 3154.7°F60.1°F53.8°F60.1°F
San Miguel Island water temp chart in December

Average water temperature in San Miguel Island in December over a decade

20152016201720182019
60.8°F57°F59°F59.9°F57.9°F
20202021202220232024
56.7°F57.9°F57.4°F60.3°F56.5°F

San Miguel Island sea state in December

Chart comparing the height of waves in San Miguel Island in December 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 San Miguel Island in December

San Miguel Island 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 December?

Want to know where the water temperature in December 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 December

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

AvrMinMax
San Diego60.6°F56.3°F66°F
Santa Monica60.3°F55.6°F65.5°F
La Jolla Cove60.8°F56.3°F65.5°F
Lake Tahoe46.4°F42.3°F52°F
Los Angeles60.1°F55.2°F65.1°F
Refugio Beach58.6°F54.1°F65.1°F
Capitan58.8°F54.3°F65.1°F
Santa Cruz Island59.4°F55°F64.8°F
Haskell's Beach58.8°F54.1°F65.3°F
Goleta59°F54.3°F65.5°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 San Miguel Island 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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