World sea water temperatures

Water temperature in Kenai (AK) in May

Is it warm enough to swim in Kenai in May? Average water temperature in Kenai in May is 41°F and therefore is not suitable for comfortable swimming. The warmest sea in Kenai in May is 48.7°F, and the coldest is 35.1°F. Average high air temperature in Kenai in May is 54°F, and average low temperature is 36°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kenai

Changes water temperature in Kenai in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 139.2°F37.8°F35.1°F40.3°F
May 240.3°F37.8°F35.2°F41°F
May 340.6°F37.8°F35.4°F42.3°F
May 441°F37.9°F35.6°F41.5°F
May 540.8°F37.9°F35.8°F41.2°F
May 640.5°F37.8°F36.1°F41.2°F
May 741.4°F38.7°F36.5°F42.1°F
May 841°F39.2°F36.5°F42.1°F
May 941.2°F39.2°F36.7°F43°F
May 1042.6°F40.1°F37°F42.6°F
May 1144.1°F39.9°F37°F44.1°F
May 1243.5°F39.9°F37.4°F43.5°F
May 1343.2°F41.4°F37.9°F43.3°F
May 1443°F42.3°F38.1°F44.1°F
May 1543°F42.6°F38.1°F45.3°F
Day 2025 2024 Min Max
May 1642.8°F42.3°F38.5°F45.7°F
May 1742.8°F42.1°F38.7°F45.1°F
May 1842.8°F42.8°F39°F44.6°F
May 1944.1°F42.6°F38.5°F45.1°F
May 2044.2°F43°F39°F44.4°F
May 2144.1°F42.6°F38.8°F45.9°F
May 2243.7°F42.4°F38.8°F45.3°F
May 2343.7°F42.4°F39.2°F46.6°F
May 2444.2°F42.8°F39.9°F47.3°F
May 2545.3°F43°F40.3°F46.4°F
May 2645.7°F43°F40.8°F46.8°F
May 2745.3°F43°F41.2°F47.5°F
May 2846°F43.2°F41.4°F48.6°F
May 2945.7°F43.3°F41.5°F48.7°F
May 3045.5°F44.8°F41.7°F48.6°F
May 3146.8°F43.7°F42.1°F48.4°F
Kenai water temp chart in May

Average water temperature in Kenai in May over a decade

20162017201820192020
44.2°F40.8°F40.6°F43.2°F41.4°F
20212022202320242025
41°F43.3°F40.5°F41.2°F43.2°F

Kenai sea state in May

Chart comparing the height of waves in Kenai in May 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 Kenai in May

Weather and climate in Kenai in May

This data display average monthly climate indicators in Kenai in May 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 temperature54°F
  • Average LOW temperature36°F
  • Average rainfall days8 days
  • Average rainfall23mm/0.9''
  • Average snowfall5mm/0.2''

Kenai 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 May?

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

AvrMinMax
Cook Inlet40.8°F35.2°F48.2°F
Anchor Point42.6°F38.7°F48.4°F
Homer43.3°F38.8°F49.6°F
Seward44.8°F39.6°F52.5°F
Whittier45.9°F41°F55.6°F
Prince William Sound45.9°F39.6°F54.5°F
Valdez46.2°F39.9°F54°F
Kodiak43°F38.8°F48.6°F
Bristol Bay37.2°F30°F47.7°F
Togiak39.7°F31.5°F50.5°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 Kenai 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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