Weather in Oahu: October
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Average day temperature: | 80.9°F |
| Average night temperature: | 73.9°F | |
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Sea water temperature: | 80.2°F |
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Number of sunny days: | 5 days |
| Day length: | 11.4 - 11.9 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.3 in. | |
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forecast
| Oahu |
temperature
| Oahu |
Air temperature in October, °F
The highest day temperature during October of 2025 was 82°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during October were 80.2°F and 72.2°F.
Sea water temperature in Oahu in October, °F
The average sea water temperature in October of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 80.2°F and 79.0°F.
Mostly all days in October are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Oahu in October is 0.3 in. Other months of the year show relatively similar values.
The average wind speed value in October is 8.4 mph It makes October lest windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 5.8.
Best time for vacation in Oahu
Oahu on a weather map
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