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Kailua, Oahu weather in October 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Kailua, Oahu in October. Check more long-term weather averages for Kailua, Oahu in October before you book your next holiday to Hawaii in 2025/2026.
- 2929°C max day temperature
- 8 hours of sunshine per day
- 99 days with some rainfall
- 2121°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 7676 mm of monthly rainfall
- 99 (Very High) UV index
- 2727°C sea temperature
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Recommended for Hawaii
The October weather guide for Hawaii (Kailua, Oahu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Kailua, Oahu in October?
Daytime temperatures usually reach 29°C in Kailua, Oahu in October with moderate heat and humidity, falling to 21°C at night.
How sunny is it in Kailua, Oahu in October?
There are normally 8 hours of bright sunshine each day in Kailua, Oahu in October - that's 66% of daylight hours.
How warm is the sea around Kailua, Oahu in October?
The average sea temperature around Kailua, Oahu in October is 27°C.
Does it rain in Kailua, Oahu in October?
There are usually 9 days with some rain in Kailua, Oahu in October and the average monthly rainfall is 76mm.
Kailua, Oahu October sunrise & sunset times
Browse the sunrise and sunset times for Kailua, Oahu in October 2025. Select a month to view Kailua, Oahu sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:22 | 18:18 |
Thursday, 16th October 2025 | 06:27 | 18:05 |
Friday, 31st October 2025 | 06:34 | 17:55 |
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