Mild temperatures and generally sunny days in spring and fall.
Crowds and prices slightly drop before and after summer vacation.
Memorial Day weekend is busy with local travelers.
(Oct & Nov)
Moderate number of visitors, with decent prices on airfares and accommodations.
Kona fully booked during Ironman World Championship (October) and Kona Coffee Cultural Festival (November).
Expect increased crowds and business closures around Thanksgiving Day.
(Dec–Mar & Jun–Aug)
Accommodations rates up 50% to 100%.
Especially busy around Christmas and New Year; in Hilo, Easter is jammed during the Merrie Monarch Festival.
Winter is rainier and cooler on windward side.
Summer high season runs from June to August.