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Hawaii weather in October 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Hawaii in October. Check more long-term weather averages for Hawaii in October before you book your next holiday to Hawaii in 2025/2026.
- 29°C max day temperature
29 - 8 hours of sunshine per day
- 9 days with some rainfall
9 - 21°C min night temperature
21 - 12 hours of daylight per day
12 - High heat & humidity
H - 47 mm of monthly rainfall
47 - 9 (Very High) UV index
9 - 27°C sea temperature
27
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Recommended for Hawaii
The October weather guide for Hawaii (Honolulu, 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.
Top Hawaii destinations
Below are average maximum temperatures at popular countries, regions and places in Hawaii in October. Select a holiday destination to see more weather parameters.
All Hawaii destinations
- Halawa Bay, Molokai
- Hana, Maui
- Hanalei, Kauai
- Hilo, Big Island
- Honolulu, Oahu
- Hulopoe Bay, Lanai
- Kaanapali, Maui
- Kahului, Maui
- Kailua, Big Island
- Kailua, Oahu
- Kalaupapa, Molokai
- Kapalua, Maui
- Lahaina, Maui
- Lihue, Kauai
- Papohaku Beach, Molokai
- Waimea Bay, Oahu
- Waimea, Big Island
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Hawaii in October?
Daytime temperatures usually reach 29°C in Honolulu, Oahu, Hawaii in October with high heat and humidity, falling to 21°C at night.
How sunny is it in Hawaii in October?
There are normally 8 hours of bright sunshine each day in Honolulu, Oahu, Hawaii in October - that's 66% of daylight hours.
How warm is the sea around Hawaii in October?
The average sea temperature around Honolulu, Oahu, Hawaii in October is 27°C.
Does it rain in Hawaii in October?
There are usually 9 days with some rain in Honolulu, Oahu, Hawaii in October and the average monthly rainfall is 47mm.
Hawaii October sunrise & sunset times
Browse the sunrise and sunset times for Hawaii in October 2025. Select a month to view Hawaii sunrise and sunset times for the next 12 months. The Hawaii sunrise and sunset times shown below are for Honolulu, Oahu.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Wednesday, 1st October 2025 | 06:23 | 18:19 |
| Thursday, 16th October 2025 | 06:28 | 18:06 |
| Friday, 31st October 2025 | 06:34 | 17:56 |
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