Kauai
Kauai is the most beautiful island in the Hawaiian Islands. Its tropical rainforests, canyons and beautiful beaches are important reasons for attracting many tourists. The best times to visit Kauai are in the spring and fall, when the weather is warm and there is less rain. Must-visit attractions include McBryde Gardens, a full-day tour of the Na Pali Coast, Wailua River State Park, and more. Kauai's natural beauty and cultural heritage make it an unmissable Hawaii travel destination.
Kauai Top 10 Activities
Top things to do in Kauai
Popular Activities in Kauai
Recommended travel destinations near Kauai
Best time to visit Kauai
Data source: Meteostat・Last updated: 2025-09
Weather in Kauai throughout the year
Spring (March-May): Average 72–75°F, mild and comfortable climate, moderate rainfall, with more rain in April. Common activities: Hiking, whale watching (seasonal), exploring waterfalls. Suggested clothing: Light long-sleeved clothing, light jacket, comfortable walking shoes.
Summer (June-August): Average 77–80°F, hot and humid climate, low rainfall. Common activities: Swimming, surfing, sunbathing, snorkeling, diving. Suggested clothing: Light and breathable clothing, swimwear, hat, sunscreen.
Autumn (September-November): Average 78–76°F, mild and comfortable climate, moderate rainfall, with more rain in October. Common activities: Hiking, sightseeing, exploring beaches. Suggested clothing: Comfortable long or short-sleeved clothing, light jacket.
Winter (December-February): Average 73–74°F, mild climate, moderate rainfall. Common activities: Whale watching (seasonal), hiking, exploring waterfalls. Suggested clothing: Light long-sleeved clothing, light jacket, comfortable walking shoes.
Weather in Kauai
Annual average temperature: approx. 76.5°F / Annual rainfall: approx. 830 mm / Summer humidity: 70%–80% / Rainiest month: April
Kauai weather by month
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | 73°F | 73.4°F | 72.9°F | 74.5°F | 75.7°F | 77.2°F | 80.2°F | 80.4°F | 79.9°F | 78.4°F | 76.6°F | 74.7°F |
| Rainfall (mm) | 119 | 85.3 | 87 | 165.3 | 85.7 | 19.7 | 24.7 | 31.7 | 18.7 | 36.7 | 70.7 | 85.7 |
7-day weather forecast for Kauai
| Date | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday | 11/12Thursday | 11/13Friday | 11/14Saturday |
|---|---|---|---|---|---|---|---|
| Weather |  Patchy rain nearby | Patchy rain nearby | Patchy rain nearby | Patchy rain nearby | Patchy rain nearby | Patchy rain nearby | Patchy rain nearby |
| High | 78.8°F | 79.3°F | 79.1°F | 77.3°F | 74.9°F | 75.4°F | 75.6°F |
| Low | 67.9°F | 66.5°F | 66.1°F | 66°F | 68.5°F | 70.7°F | 70.9°F |
