What to expect in Hawaii in August
August is a mixed month in Hawaii. You get 32° / 24°, but the biggest crowds of the year. Worth it for the right traveller.
Hawaii weather in August
Typical conditions in Hawaii during August, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 32°C 90°F |
|---|---|
| Average low | 24°C 75°F |
| Rainfall | Dry 20/100 |
| Total rainfall | 14 mm0.6 in |
| Rainy days | 6 |
| Sea temperature | 27°C 80°F |
| Daylight | 12 h 52 min |
| How it feels | Hot — midday shade matters |
Rainfall figures are for Honolulu.
Average highs sit around 32°C with lows near 24°C. It is one of the drier months — pack light.
Crowds & demand
Crowd levels are High for Hawaii — the biggest crowds of the year.
Prices & value
This month counts as high season: premium prices.
What to pack
Lightweight, breathable clothes, strong sun protection and a refillable bottle — highs near 32°C make midday heat the main constraint. Rain gear is largely optional this month, which keeps your bag light.
What it costs
This is peak pricing for Hawaii. Expect to pay a premium on flights and accommodation, and to book considerably further ahead than usual. Compared with the most expensive month of the year, you are looking at roughly 13% less.
Who this month suits
- Families tied to school holidays
Events & what’s on
No major festivals fall in August, so the destination feels like its everyday self.
Hawaii in August 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 |
|---|---|---|---|---|
| June | 31° / 23° | High | $$ | 52 |
| July | 31° / 24° | High | $$$ | 48 |
| August · This month | 32° / 24° | High | $$$ | 45 |
| September | 32° / 24° | Moderate | $$ | 56 |
| October | 31° / 23° | Moderate | $$ | 58 |
These months score higher for Hawaii on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in August
If the destination is negotiable but the month is not, these places are at their best in August.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
