World sea water temperatures

Water temperature in Seattle (WA) in June

Is it warm enough to swim in Seattle in June? Average water temperature in Seattle in June is 54.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Seattle in June is 61.5°F, and the coldest is 50.2°F. Average high air temperature in Seattle in June is 70°F, and average low temperature is 52°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Seattle

Changes water temperature in Seattle in June 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 153.1°F54.5°F50.4°F56.8°F
June 254.1°F54.3°F50.4°F56.8°F
June 355°F51.4°F50.4°F57.2°F
June 455.4°F52°F50.5°F57.4°F
June 555.8°F53.4°F50.4°F57.6°F
June 657°F53.8°F50.2°F57°F
June 757.4°F54.9°F50.4°F57.4°F
June 858.3°F54.7°F50.5°F58.3°F
June 958.6°F56.7°F50.4°F58.6°F
June 1059.9°F55.9°F50.5°F59.9°F
June 1159.2°F55°F50.5°F59.2°F
June 1257°F55.9°F50.7°F57.2°F
June 1356.3°F56.5°F50.7°F57.4°F
June 1455°F55.4°F51.3°F56.8°F
June 1554.9°F54.3°F51.4°F57.2°F
Day 2025 2024 Min Max
June 1656.5°F54.7°F51.6°F57.2°F
June 1756.8°F54.7°F51.8°F57.4°F
June 1856.5°F54.5°F51.6°F58.8°F
June 1957°F56.3°F52°F58.5°F
June 2057°F57°F52.3°F58.6°F
June 2157°F57.9°F52.5°F59.9°F
June 22 57.9°F52.7°F60.4°F
June 2355.9°F57°F52.7°F59.5°F
June 2456.8°F55°F52.9°F60.1°F
June 2557.6°F57.4°F52.9°F61.5°F
June 2658.1°F58.5°F52.9°F60.3°F
June 2757.7°F58.1°F53.1°F60.1°F
June 2855.4°F57°F53.2°F59.9°F
June 2955.9°F58.1°F53.2°F59.5°F
June 3056.5°F57.7°F53.2°F60.3°F
Seattle water temp chart in June

Average water temperature in Seattle in June over a decade

20162017201820192020
55.6°F55.4°F55.4°F55.8°F55.2°F
20212022202320242025
57.9°F55.4°F55.6°F55.8°F56.7°F

Seattle sea state in June

Chart comparing the height of waves in Seattle in June 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 Seattle in June

Weather and climate in Seattle in June

This data display average monthly climate indicators in Seattle in June based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature70°F
  • Average LOW temperature52°F
  • Average humidity
    67
  • Average rainfall days9 days
  • Average rainfall41mm/1.6''
  • Average daylight16h
  • Average sunshine8.9h
  • Average UV index7

Seattle 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 June?

Want to know where the water temperature in June 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 June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Whidbey Island54.7°F50.2°F61.5°F
Mutiny Bay54.3°F50°F60.8°F
Hansville54.3°F50.2°F60.6°F
Meadowdale54.9°F50.2°F62.1°F
Freeland54.1°F50°F59.9°F
Mukilteo55°F50.2°F64°F
Clinton55°F50.2°F64°F
Lofall54.5°F50°F62.8°F
Kingston54.9°F50.4°F61.9°F
Langley54.9°F50°F64°F

Washington photo gallery

  • Mutiny Bay, Robinson Beach, Whidbey Island
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  • Mutiny Bay, Robinson Beach, Whidbey Island

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Current rating: 5,0 (1 votes cast)

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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 Seattle 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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