Frost dates in Hawaii

Across 2 NOAA stations in Hawaii, the average last spring frost ranges from January 26 at Kanalohuluhulu 1075 to April 12 at Mauna Loa 5 Nne.

Sources

1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026