Frost dates · Hawaii
Hawaii frost dates,
county by county.
Last spring frost and first fall frost probability data for all 5 counties in Hawaii, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.
Variation across Hawaii
955 days separate the earliest and latest counties.
The median last spring frost in Maui County is February 13 — 955 days earlier than Honolulu County at —. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
Alphabetical