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Water temperature in Astoria (OR) in December

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Is it warm enough to swim in Astoria in December? Average water temperature in Astoria in December is 48.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Astoria in December is 54.3°F, and the coldest is 44.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Astoria

Changes water temperature in Astoria in December 2024, 2023

To get an accurate forecast for the water temperature in Astoria for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Astoria, 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 148°F49.5°F47.3°F52.5°F
December 248.6°F49.5°F47.8°F52.3°F
December 347.1°F49.5°F47.1°F52.2°F
December 447.5°F49.8°F46.2°F52.2°F
December 547.8°F50.2°F47.8°F52.7°F
December 647.7°F49.8°F47.7°F53.1°F
December 748°F50°F47.1°F53.1°F
December 848°F50°F46.6°F53.4°F
December 948°F50.4°F46°F54.1°F
December 1046°F50.5°F45.9°F54.3°F
December 1146.4°F50.2°F46.2°F54.3°F
December 1246.8°F48.9°F46.8°F53.1°F
December 1347.3°F49.1°F47.1°F53.1°F
December 1447.5°F49.1°F47.1°F53.2°F
December 1547.5°F49.3°F46.9°F53.4°F
Day 2024 2023 Min Max
December 1647.8°F49.1°F46.9°F53.2°F
December 1748°F47.8°F46.8°F52.9°F
December 1848.2°F48.2°F46.2°F53.2°F
December 1948.2°F48.4°F45.7°F53.1°F
December 2048.6°F47.1°F45.7°F52.9°F
December 2148°F47.5°F45.5°F52.9°F
December 2248.2°F47.8°F45.5°F52.2°F
December 2346.4°F48.2°F45.9°F52.7°F
December 2446.8°F48.6°F45.7°F52.2°F
December 2547.1°F48.9°F45.3°F51.4°F
December 2647.3°F47.3°F45.5°F51.4°F
December 2747.7°F47.8°F45.5°F51.1°F
December 2847.7°F48.2°F44.8°F50.7°F
December 2948°F48.7°F45.1°F50.5°F
December 3048.2°F49.1°F45.5°F50.5°F
December 3147.3°F48.6°F45.9°F49.3°F
Astoria water temp chart in December

Average water temperature in Astoria in December over a decade

20152016201720182019
50.2°F49.5°F49.3°F49.5°F48°F
20202021202220232024
48.2°F49.3°F48.2°F48.9°F47.7°F

Astoria sea state in December

Chart comparing the height of waves in Astoria 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 Astoria in December

Astoria 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
Chinook48.9°F45°F54.5°F
Ilwaco49.1°F44.8°F55°F
Long Beach48.9°F44.6°F55°F
Klipsan Beach48.6°F44.2°F54.3°F
Oysterville48.4°F44.2°F53.8°F
Tokeland48.2°F44.6°F53.6°F
Bruceport48.2°F44.6°F53.6°F
Short Sand Beach50.4°F47.1°F55.8°F
Manzanita50.4°F47.1°F55.8°F
Grayland48.7°F44.2°F54.7°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 Astoria 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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