World sea water temperatures

Water temperature in Hilo (HI) in October

Is it warm enough to swim in Hilo in October? Average water temperature in Hilo in October is 79.7°F and therefore suitable for comfortable swimming. The warmest sea in Hilo in October is 82°F, and the coldest is 77.7°F. Average high air temperature in Hilo in October is 83°F, and average low temperature is 69°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hilo

Changes water temperature in Hilo in October 2024, 2023

To get an accurate forecast for the water temperature in Hilo for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hilo, 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 2024 2023 Min Max
October 179.9°F80.1°F78.4°F81.7°F
October 280.1°F80.1°F78.4°F81.7°F
October 380.2°F79.9°F78.3°F81.7°F
October 480.1°F80.1°F78.3°F81.5°F
October 580.2°F80.2°F78.3°F81.5°F
October 680.1°F80.2°F77.9°F81.9°F
October 779.9°F80.4°F78.1°F82°F
October 879.9°F80.2°F78.3°F81.9°F
October 979.9°F80.2°F78.1°F81.9°F
October 1079.9°F79.9°F78.1°F81.5°F
October 1180.1°F79.7°F78.1°F81.7°F
October 1280.1°F80.1°F78.3°F82°F
October 1379.9°F80.1°F78.3°F81.9°F
October 1479.9°F80.2°F78.3°F82°F
October 1580.1°F80.2°F77.9°F81.9°F
Day 2024 2023 Min Max
October 1680.1°F80.2°F77.7°F81.9°F
October 1779.3°F79.9°F77.7°F81.7°F
October 1879.3°F80.1°F77.9°F81.9°F
October 1979.9°F80.1°F77.7°F81.9°F
October 2080.2°F79.9°F78.1°F81.7°F
October 2179.7°F79.7°F77.7°F81.5°F
October 2279.5°F79.7°F77.9°F81.7°F
October 2379.5°F79.5°F78.1°F81.9°F
October 2479.7°F80.1°F78.1°F82°F
October 2579.5°F80.4°F78.1°F82°F
October 2679.2°F80.1°F77.9°F81.9°F
October 2779.2°F80.4°F77.9°F81.9°F
October 2878.8°F80.2°F78.1°F81.7°F
October 2979°F80.2°F77.9°F81.5°F
October 3079°F80.4°F77.7°F81.5°F
October 3179.2°F80.2°F77.7°F81.9°F
Hilo water temp chart in October

Average water temperature in Hilo in October over a decade

20152016201720182019
81.7°F79.5°F80.1°F80.8°F81.5°F
20202021202220232024
80.1°F78.8°F81°F80.1°F79.7°F

Hilo sea state in October

Chart comparing the height of waves in Hilo 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 Hilo in October

Weather and climate in Hilo in October

This data display average monthly climate indicators in Hilo 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 temperature83°F
  • Average LOW temperature69°F
  • Average humidity
    80
  • Average rainfall days24 days
  • Average rainfall140mm/5.5''
  • Average daylight12h
  • Average sunshine4.4h
  • Average UV index10

Hilo 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
Wainaku79.7°F77.7°F82°F
Papaikou79.7°F77.7°F82°F
Puako80.8°F78.6°F83.5°F
Waialea Beach80.8°F78.6°F83.5°F
Mauna Lani80.8°F78.6°F83.5°F
Hapuna Beach80.8°F78.4°F83.5°F
Kawaihae80.8°F78.4°F83.5°F
Mauna Kea Beach80.8°F78.4°F83.5°F
Spencer Beach80.8°F78.4°F83.5°F
Waikoloa Village80.8°F78.4°F83.5°F

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  • Following the early cold wave hitting the U.S.,  ice began to form on parts of Norwalk CT Harbo
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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 Hilo 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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