World sea water temperatures

Water temperature in Kailua Kona (HI) in October

Is it warm enough to swim in Kailua Kona in October? Average water temperature in Kailua Kona in October is 80.8°F and therefore suitable for comfortable swimming. The warmest sea in Kailua Kona in October is 83.7°F, and the coldest is 78.3°F. Average high air temperature in Kailua Kona in October is 86°F, and average low temperature is 74°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kailua Kona

Changes water temperature in Kailua Kona in October 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
October 181°F80.4°F79.3°F83.3°F
October 281.1°F80.8°F79.2°F83.3°F
October 380.8°F80.8°F79.2°F83.5°F
October 480.8°F80.4°F79.3°F83.1°F
October 5 80.4°F79.5°F83.7°F
October 6 80.4°F79.3°F83.5°F
October 7 80.8°F79.3°F83.1°F
October 8 80.6°F79.5°F83.1°F
October 9 80.4°F79.3°F83.3°F
October 10 80.2°F79.5°F83.3°F
October 11 80.1°F79.5°F82.9°F
October 12 79.9°F79.2°F82.8°F
October 13 80.1°F79.3°F82.9°F
October 14 80.4°F79.2°F82.9°F
October 15 81°F79.3°F82.9°F
Day 2025 2024 Min Max
October 16 81°F79.3°F82.9°F
October 17 80.8°F79.3°F82.8°F
October 18 80.8°F79.3°F83.1°F
October 19 80.8°F79.2°F83.1°F
October 20 80.8°F79.2°F82.8°F
October 21 80.2°F79°F82.8°F
October 22 80.2°F79°F82.9°F
October 23 80.2°F78.6°F82.9°F
October 24 80.6°F78.6°F82.9°F
October 25 80.8°F78.3°F82.8°F
October 26 80.8°F78.6°F82.6°F
October 27 80.8°F78.6°F82.6°F
October 28 80.8°F78.6°F82.4°F
October 29 80.8°F78.8°F82.4°F
October 30 80.8°F78.3°F82.6°F
October 31 80.8°F78.3°F82.9°F
Kailua Kona water temp chart in October

Average water temperature in Kailua Kona in October over a decade

20152016201720182019
82.8°F81.3°F81.7°F82.4°F82.6°F
20202021202220232024
80.6°F79.7°F81.7°F80.6°F80.6°F

Kailua Kona sea state in October

Chart comparing the height of waves in Kailua Kona in October 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 Kailua Kona in October

Weather and climate in Kailua Kona in October

This data display average monthly climate indicators in Kailua Kona in October 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 temperature86°F
  • Average LOW temperature74°F
  • Average rainfall33mm/1.3''

Kailua Kona 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 October?

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

AvrMinMax
Magic Sands80.8°F78.1°F83.7°F
Kahaluu-Keauhou80.8°F78.3°F83.3°F
Manini Beach80.8°F78.3°F83.5°F
Kua Bay80.8°F78.6°F83.5°F
Kukio80.8°F78.6°F83.5°F
Makalawena Beach80.8°F78.4°F83.5°F
Kealakekua Bay80.8°F78.4°F83.3°F
Honaunau Bay80.8°F78.4°F83.3°F
Two Step Beach80.8°F78.4°F83.3°F
Hookena Beach80.8°F78.4°F83.3°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 Kailua Kona 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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