Kauai in December
Weather, crowds, and prices — and whether December is your month.
Quick answer · Risky-but-cheap
Holiday peak; dramatic surf, frequent rainbows. Expect highs around 78°F, rainy season, peak crowds, and peak prices.
78/63°F
Typical high / low
Rainy season
Rain
Peak crowds
Crowds
Peak prices
Prices
The bigger picture for Kauai
- Best overall: April-May and September-October; summer for north-shore swimming.
- Best value: May and October.
- Watch out for: Winter (November-March) closes north-shore swimming and brings the most rain.
Kauai month by month
| Month | High/Low | Rain | Crowds | Prices |
|---|---|---|---|---|
| January | 78/62° | Rainy season | Busy | Peak prices |
| February | 78/61° | Regular showers | Busy | Peak prices |
| March | 79/63° | Regular showers | Busy | Peak prices |
| April | 81/65° | Occasional showers | Busy | Above average |
| May | 83/67° | Occasional showers | Moderate | Good value |
| June | 85/69° | Very little rain | Busy | Above average |
| July | 86/71° | Very little rain | Peak crowds | Peak prices |
| August | 87/71° | Very little rain | Peak crowds | Above average |
| September | 86/70° | Occasional showers | Moderate | Good value |
| October | 84/68° | Occasional showers | Moderate | Good value |
| November | 81/66° | Regular showers | Moderate | Good value |
| December ← | 78/63° | Rainy season | Peak crowds | Peak prices |
Planning a December trip?
Browse the Kauai guides — the full destination profile, all-inclusive resorts, family trips, and honeymoons — or skip the research entirely.
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