Kauai in the United States of America sees its peak temperatures in September (28°C (82°F)) and its coolest in February (23°C (73°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Princeville, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Kauai during January, February, March, April, May, June, November and December is comfortably warm, with average temperatures ranging from 24°C (75°F) to 27°C (81°F).
Precipitation in Kauai shows some seasonal variation. You'll find the most rain in March (92 mm (3.6 in)), while September tends to be drier (48 mm (1.9 in)).
Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.
