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Water temperature in Oak Harbor (WA) in December

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Is it warm enough to swim in Oak Harbor in December? Average water temperature in Oak Harbor in December is 46.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Oak Harbor in December is 49.5°F, and the coldest is 43.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Oak Harbor

Changes water temperature in Oak Harbor in December 2024, 2023

To get an accurate forecast for the water temperature in Oak Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Oak Harbor, 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 147.8°F47.8°F45.3°F49.5°F
December 247.7°F47.8°F45.5°F49.5°F
December 348°F48.4°F45.3°F49.5°F
December 448.6°F48.9°F45.3°F49.1°F
December 548.7°F48.9°F45°F48.9°F
December 648°F48.7°F45°F48.9°F
December 747.8°F48.4°F44.8°F48.9°F
December 847.7°F48.6°F44.4°F48.9°F
December 947.8°F48.2°F44.2°F48.6°F
December 1047.5°F48°F45°F48.6°F
December 1147.5°F47.7°F44.6°F48.6°F
December 1247.7°F47.7°F44.1°F48.4°F
December 1347.1°F47.7°F43.7°F48.2°F
December 1447.3°F47.7°F43.7°F48.2°F
December 1547.8°F47.5°F43.7°F48.9°F
Day 2024 2023 Min Max
December 1647.3°F47.5°F43.7°F48.7°F
December 1747.3°F47.7°F43.7°F48.6°F
December 1847.7°F47.7°F43.7°F48.6°F
December 1947.7°F47.3°F43.7°F48.4°F
December 2048°F47.3°F43.7°F48.4°F
December 2148.2°F47.1°F44.1°F48.2°F
December 2247.8°F47.3°F43.9°F48°F
December 2347.8°F47.8°F43.7°F48°F
December 2447.7°F48.2°F43.5°F48.2°F
December 2547.7°F48°F43.9°F48°F
December 2647.5°F47.8°F44.6°F47.8°F
December 2747.3°F47.7°F44.2°F47.7°F
December 2847.3°F48°F43.9°F48°F
December 2947.1°F47.8°F44.1°F47.8°F
December 3046.9°F48.4°F43.9°F48.4°F
December 3147.1°F48°F43.9°F48°F
Oak Harbor water temp chart in December

Average water temperature in Oak Harbor in December over a decade

20152016201720182019
47.5°F47.7°F47.5°F47.7°F47.3°F
20202021202220232024
47.1°F47.3°F46.2°F47.8°F47.7°F

Oak Harbor sea state in December

Chart comparing the height of waves in Oak Harbor 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 Oak Harbor in December

Oak Harbor 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

Temperature in neighboring cities

The nearest locations with the average water temperature in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Bowman Bay46.8°F44.1°F49.3°F
Deception Pass46.8°F44.1°F49.3°F
Lopez Island46.9°F44.8°F49.5°F
Port Townsend47.1°F41.5°F49.8°F
San Juan Islands47.1°F45°F50°F
Discovery Bay47.1°F43°F50.2°F
Olga46.9°F44.6°F49.3°F
Warm Beach46.9°F43.3°F49.8°F
Langley47.1°F43.3°F49.8°F
Sequim47.1°F43.7°F50.2°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 Oak Harbor 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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