
Kauai in January
January in Kauai brings highs around 79°F (26°C), lows near 66°F and about 12 rainy days. The sun sets around 6:15 pm. The sea is about 76°F (24°C). It's one of the most comfortable months for sightseeing.
Photo: Jim Bahn, CC BY 2.0
What January is good for in Kauai
Each activity rated for January's weather and sea.
January next to December and February
| Month | December | January | February |
|---|---|---|---|
| High | 79°F (26°C) | 79°F (26°C) | 78°F (26°C) |
| Low | 69°F (20°C) | 66°F (19°C) | 66°F (19°C) |
| Rainy days | 18 | 12 | 13 |
| Sea | 77°F | 76°F | 75°F |
| Sunset | 5:57 pm | 6:15 pm | 6:35 pm |
| Daylight | 10 h 48 min | 10 h 56 min | 11 h 26 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 January a good time to visit Kauai?
It's one of the most comfortable months for sightseeing. The most comfortable months overall are January and February.
How hot is Kauai in January?
Average highs are about 79°F (26°C) and lows about 66°F (19°C).
Does it rain much in Kauai in January?
January averages 12 rainy days, against 19 in the wettest month.
How warm is the sea in Kauai in January?
About 76°F (24°C).

















