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Water temperature in Opal Cliffs (CA) in December

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Is it warm enough to swim in Opal Cliffs in December? Average water temperature in Opal Cliffs in December is 55°F and therefore is not suitable for comfortable swimming. The warmest sea in Opal Cliffs in December is 60.8°F, and the coldest is 51.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Opal Cliffs

Changes water temperature in Opal Cliffs in December 2024, 2023

To get an accurate forecast for the water temperature in Opal Cliffs for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Opal Cliffs, 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 155.2°F57.2°F52.3°F60.3°F
December 255°F57.4°F51.8°F59.9°F
December 354.5°F57.4°F51.8°F59.9°F
December 454.9°F57.4°F52°F60.3°F
December 554.5°F57.6°F52.2°F60.4°F
December 654.1°F57.9°F52.2°F60.8°F
December 754.5°F57.2°F52°F60.3°F
December 853.8°F57.2°F51.8°F60.6°F
December 954.3°F57.2°F51.8°F60.4°F
December 1054.5°F57.4°F51.8°F60.1°F
December 1154.7°F57.6°F52°F60.3°F
December 1254.5°F57°F52°F60.3°F
December 1354.1°F57.2°F52°F60.4°F
December 1454°F56.7°F52.2°F60.3°F
December 1554°F56.7°F52.3°F60.1°F
Day 2024 2023 Min Max
December 1654.3°F56.8°F52°F60.1°F
December 1754.7°F56.7°F52.3°F60.1°F
December 1854.9°F56.1°F52.3°F60.1°F
December 1954.9°F56.7°F52.2°F60.1°F
December 2054.9°F56.8°F52.2°F60.4°F
December 2154.7°F57.4°F52°F60.3°F
December 2255°F57.6°F52°F60.1°F
December 2355.9°F57.2°F52°F60.4°F
December 2455.4°F57.2°F52.2°F60.1°F
December 2555.2°F57.4°F52.2°F59.9°F
December 2655.2°F57.4°F51.8°F59.5°F
December 2755.6°F57.2°F52°F59.4°F
December 2856.1°F57.2°F52.3°F59.4°F
December 2955.9°F57.2°F52.3°F59.2°F
December 3055.8°F57.4°F52.2°F59°F
December 3155.6°F57.6°F52.2°F58.1°F
Opal Cliffs water temp chart in December

Average water temperature in Opal Cliffs in December over a decade

20152016201720182019
57°F54.3°F55.8°F58.3°F55.6°F
20202021202220232024
52.3°F54.1°F53.2°F57.2°F54.9°F

Opal Cliffs sea state in December

Chart comparing the height of waves in Opal Cliffs 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 Opal Cliffs in December

Opal Cliffs 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
Rio Del Mar55°F51.3°F60.8°F
Seacliff55°F51.3°F60.8°F
Twin Lakes55.2°F51.8°F60.8°F
Seabright Beach55.2°F51.6°F61°F
Steamer Lane55.2°F51.6°F61°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 Opal Cliffs 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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