Kauaʻi in May
May is a good month for Kauaʻi: a typical day grades A, the 5th best of the 12 months. Expect highs near 82°F, water around 77°F and about a 25% chance of rain on a given day. Beaches are typically busy (Memorial Day weekend).
Kauaʻi month by month
Typical grade and high for each month. Higher is better: A+ to F.
- JanA-78°F
- FebA-78°F
- MarA-79°F
- AprA-80°F
- MayA82°F
- JunA84°F
- JulA-85°F
- AugA-86°F
- SepA86°F
- OctA84°F
- NovA82°F
- DecA-79°F
April: A- · May: A · June: A. The best months are usually June, September and October, and the weakest are February and March.
Best beaches in Kauaʻi in May
Resorts with the best typical May, and their grades for the next few days.
| Beach | Typical May | This week |
|---|---|---|
| OUTRIGGER Kauaʻi Beach Resort & Spa | A | SatB+SunA-MonA-TueB+WedA- |
| The Royal Sonesta Kaua'i Resort Lihue | A | SatB+SunA-MonA-TueB+WedA- |
| Banyan Harbor Resort | A | SatA-SunBMonB+TueB-WedB+ |
| Kauai Inn | A | SatA-SunBMonB+TueB-WedB+ |
| Koloa Landing Resort at Poipu | A | SatA-SunBMonB+TueBWedB |
| Marriott’s Waiohai Beach Club | A | SatA-SunBMonB+TueBWedB |
| Sheraton Kauai Coconut Beach Resort | A | SatB+SunA-MonA-TueB+WedA- |
| Plantation Hale Suites | A | SatB+SunA-MonA-TueB+WedA- |
Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.
How it compares
Kauaʻi is among the best-graded beach destinations in May. Every destination in May.
Questions
- Is May a good time to visit Kauaʻi?
- May is a good month for Kauaʻi: a typical day grades A, the 5th best of the 12 months. Expect highs near 82°F, water around 77°F and about a 25% chance of rain on a given day. Beaches are typically busy (Memorial Day weekend).
- How warm is Kauaʻi in May?
- Typical highs are about 82°F and the sea is about 77°F. Most swimmers find it comfortable.
- Is May hurricane season in Kauaʻi?
- No. Storm risk is very low in May.
- How crowded is Kauaʻi in May?
- Typically busy, around Memorial Day weekend. The quietest months are usually September and October.
Plan it
Typical-month numbers from Veabird's year-ahead outlook for the 20 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.