Information about the weather and climate on the island of Kauai
and the best time of year to visit the island.
High Seasons of Kauai
October Through January
October, November, December and January are the wettest months
on Kauai island, but even so, those months also experience the
most visitors, primarily "snowbirds" escaping the cold winters at home.
Monthly rainfall is typically between 4 and 5 inches during these months.
Note that airfare and hotels prices can be higher in December and January
and reservations during those months must often be made well in advance.
July Through August
June, July, and August are the driest months on
Kauai Island, with typically about 2 inches of rain a month.
Summer is a popular tourism season, especially for families with children.
Note that airfare and hotels prices can be higher during
the popular summer season.
Shoulder Seasons of Kauai
September Through November
September rainfall averages about 2.7 inches
and November rainfall jumps to more than 4 inches on average.
Both of those months are considered a shoulder season
between the island's most popular tourism periods.
February Through March
Typcally about 3.5 inches of rain per month.
April Through May
Typically about 3 inches of rain per month.
Kauai Island Travel Guide
About the County of Kauai
Islands of Hawaii
State of Hawaii Travel Guide