What to expect in Hawaii in October
October is one of the best times to visit Hawaii. Expect 31° / 23°, manageable crowds at the big attractions and prices close to the yearly average.
Hawaii weather in October
Typical conditions in Hawaii during October, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 31°C 88°F |
|---|---|
| Average low | 23°C 73°F |
| Rainfall | Moderate 50/100 |
| Total rainfall | 47 mm1.8 in |
| Rainy days | 8 |
| Sea temperature | 27°C 80°F |
| Daylight | 11 h 40 min |
| How it feels | Hot — midday shade matters |
Rainfall figures are for Honolulu.
Average highs sit around 31°C with lows near 23°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Moderate for Hawaii — manageable crowds at the big attractions.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Lightweight, breathable clothes, strong sun protection and a refillable bottle — highs near 31°C make midday heat the main constraint.
What it costs
Costs in October sit around the yearly average for Hawaii — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 46% less.
Who this month suits
- Travellers who want the most reliable weather
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in October, so the destination feels like its everyday self.
Hawaii in October compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| August | 32° / 24° | High | $$$ | 45 |
| September | 32° / 24° | Moderate | $$ | 56 |
| October · This month | 31° / 23° | Moderate | $$ | 58 |
| November | 29° / 21° | Moderate | $$ | 54 |
| December | 27° / 20° | High | $$$ | 35 |
These months score higher for Hawaii on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in October
If the destination is negotiable but the month is not, these places are at their best in October.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
