Kauaʻi in December
December is a middling month for Kauaʻi: a typical day grades A-, the 9th best of the 12 months. Expect highs near 79°F, water around 77°F and about a 41% chance of rain on a given day. Beaches are typically very busy (Christmas & holiday break).
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
November: A · December: A- · January: A-. The best months are usually June, September and October, and the weakest are February and March.
Best beaches in Kauaʻi in December
Resorts with the best typical December, and their grades for the next few days.
| Beach | Typical Dec | 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.
Better beach options in December
Further afield: Huatulco (A) and Puerto Vallarta (A). Every destination in December.
Questions
- Is December a good time to visit Kauaʻi?
- December is a middling month for Kauaʻi: a typical day grades A-, the 9th best of the 12 months. Expect highs near 79°F, water around 77°F and about a 41% chance of rain on a given day. Beaches are typically very busy (Christmas & holiday break).
- How warm is Kauaʻi in December?
- Typical highs are about 79°F and the sea is about 77°F. Most swimmers find it comfortable.
- Is December hurricane season in Kauaʻi?
- No. Storm risk is very low in December.
- How crowded is Kauaʻi in December?
- Typically very busy, around Christmas & holiday break. 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.