Honolulu County, Hawaii
Local growing conditions for Honolulu County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 38 ZIP codes in our data.
Local weather & frost dates
Open any community in Honolulu County for its live forecast, frost dates, and planting calendar:
Kahuku 96731
Ahuimanu 96744
Waianae 96792
Waimanalo 96795
Urban Honolulu 96815
Urban Honolulu 96817
Hickam Housing 96818
Urban Honolulu 96820
Urban Honolulu 96822
Urban Honolulu 96826
Urban Honolulu 96848
Hickam Housing 96853
Halawa 96701
Ewa Gentry 96706
Makakilo 96707
Kahuku 96712
Punaluu 96717
Kaaawa 96730
Kailua 96734
Wheeler AFB 96759
Laie 96762
Pearl City 96782
Helemano 96786
Mililani Mauka 96789
More for Hawaii
- Agriculture in Hawaii
- Frost dates across Hawaii
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.