What to expect in Hawaii in December
December is a strong choice for Hawaii: 27° / 20°, with the biggest crowds of the year and premium prices.
Hawaii weather in December
Typical conditions in Hawaii during December, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 27°C 81°F |
|---|---|
| Average low | 20°C 68°F |
| Rainfall | Wet 100/100 |
| Total rainfall | 82 mm3.2 in |
| Rainy days | 10 |
| Sea temperature | 25°C 77°F |
| Daylight | 10 h 51 min |
| How it feels | Warm and comfortable |
Rainfall figures are for Honolulu.
Average highs sit around 27°C with lows near 20°C. Expect a fair amount of rain, so plan indoor backups.
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
Light layers for 27°C days and something with sleeves for evenings, which cool to around 20°C. Add a compact rain shell and shoes you do not mind soaking; this is one of the wetter months.
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.
Who this month suits
- Travellers who want the most reliable weather
- Visitors who want to catch a festival
- Families tied to school holidays
Events & what’s on
Look out for Humpback Whale Season, North Shore Winter Surf Season while you’re there.
- Humpback Whale Season — Thousands of humpback whales migrate to Hawaiian waters to breed and calve each winter.
- North Shore Winter Surf Season — Giant winter swells draw professional surfers to Oahu's North Shore for events like the Vans Triple Crown of Surfing.
Hawaii in December 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 |
|---|---|---|---|---|
| October | 31° / 23° | Moderate | $$ | 58 |
| November | 29° / 21° | Moderate | $$ | 54 |
| December · This month | 27° / 20° | High | $$$ | 35 |
| January | 27° / 19° | High | $$$ | 39 |
| February | 27° / 19° | High | $$$ | 43 |
These months score higher for Hawaii on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in December
If the destination is negotiable but the month is not, these places are at their best in December.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
