Kauai in April
April in Kauai brings highs around 80°F (27°C), lows near 69°F and about 16 rainy days. The sun sets around 6:58 pm. The sea is about 76°F (24°C). It's a fair month: plan indoor backups.
Photo: Jim Bahn, CC BY 2.0
What April is good for in Kauai
Each activity rated for April's weather and sea.
April next to March and May
| Month | March | April | May |
|---|---|---|---|
| High | 78°F (26°C) | 80°F (27°C) | 82°F (28°C) |
| Low | 67°F (20°C) | 69°F (21°C) | 71°F (22°C) |
| Rainy days | 15 | 16 | 14 |
| Sea | 75°F | 76°F | 77°F |
| Sunset | 6:47 pm | 6:58 pm | 7:10 pm |
| Daylight | 12 h 00 min | 12 h 40 min | 13 h 11 min |
Averages for Lihue Airport, Hawaii, 1991–2020; sunrise and sunset on the 15th. Kauai water temperature by month.
Tours in Kauai
Kauai: NaPali Boat Tour on the Amelia KFrom $227View 
Kauai Chocolate Farm Tasting TourFrom $145View 
Kauai: Waimea Town, Wailua River Cruise & Fern Grotto TourFrom $279View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is April a good time to visit Kauai?
It's a fair month: plan indoor backups. The most comfortable months overall are January and February.
How hot is Kauai in April?
Average highs are about 80°F (27°C) and lows about 69°F (21°C).
Does it rain much in Kauai in April?
April averages 16 rainy days, against 19 in the wettest month.
How warm is the sea in Kauai in April?
About 76°F (24°C).
