Hawaii · Month comparison
August vs May
May ranks #1 overall vs August at #11. The best month nobody talks about — near-summer weather at shoulder prices with empty beaches.
August
#11 of 12 months
Strong option
Still perfect weather at peak prices — families dominate through US school summer holidays.
- ↑August ties July for the best weather Hawaii offers — virtually identical sunshine hours and rainfall, with the hottest ocean water temperatures of the year (around 27°C) making snorkelling and swimming warmer than any other month
- ↑Statehood Day (third Friday in August) is a Hawaii public holiday — many resorts and hotels put on cultural programmes, luaus, and traditional Hawaiian music evenings tied to the anniversary of Hawaii's 1959 US statehood, worth attending if you're there
May
#1 of 12 months
Best match
The best month nobody talks about — near-summer weather at shoulder prices with empty beaches.
- ↑May delivers summer-quality weather — just 24mm of rain, 8.5 sunshine hours daily, and temperatures reaching 29°C — with none of summer's prices or crowds; it is statistically the best month for value-to-conditions ratio across the Hawaiian islands
- ↑Lei Day (May 1) is the Hawaiian cultural celebration of flowers and community — a genuine local event rather than a tourist production, with lei-making competitions, hula performances, and outdoor markets that offer an authentic entry into Hawaiian culture
| Factor | August | May |
|---|---|---|
| Weather score | 9 | 9 |
| Value score | 3 | 7 |
| Crowd score | 2 | 7 |
| Events score | 5 | 5 |
| Atmosphere | 7 | 8 |
| Avg high temp | 31°C | 29°C |
| Monthly rain | 18mm | 24mm |
| Daily sunshine | 8.8hrs | 8.5hrs |
August trade-offs
- ↓US school summer holidays are at full peak throughout August — family demand is at its highest, resort kids's clubs are full, family-friendly beaches like Poipu (Kauai) and Wailea (Maui) are at maximum capacity, and the general atmosphere is more frenetic than any other month
- ↓Prices remain at their annual peak: identical to July in terms of airfare and accommodation costs, with no meaningful softening until school holidays end in mid-August and early September
- ↓Hurricane season technically runs from June through November for the Central Pacific, and while direct strikes on Hawaii are historically rare, tropical storms can occasionally affect conditions in August — travel insurance is advisable
May trade-offs
- ↓Memorial Day weekend (end of May) brings a sharp demand spike — the final days of May see a significant jump in domestic US travel and prices; book accommodation for the Memorial Day long weekend well in advance or accept higher rates
- ↓Some visitor attractions and beach concessions are not yet at full summer hours in early May — a handful of seasonal operations (paddleboard rentals, snorkel tours on certain islands) are still in shoulder-season mode
- ↓May is genuinely post-whale season — anyone specifically visiting for humpback sightings will be disappointed; the whale boats still run but sightings are sporadic rather than reliable
Scores compare months within Hawaii. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →