Pearl City, HI frost dates
Last spring frostRaremost years have none
First fall frostRaremost years have none
Hardiness zone12aZone 12a
Gardening where frost is rare
Pearl City, HI rarely or never drops to freezing, so the usual "plant after the last frost" rule doesn't apply. Heat and rainfall decide the seasons instead:
- Cool-season crops (lettuce, broccoli, peas, carrots) grow best from fall through late winter.
- Warm-season crops (tomatoes, peppers, beans, squash) do best planted in late winter to spring, and again in late summer for a fall crop — midsummer heat can stop tomatoes setting fruit.
- Heat lovers (okra, sweet potatoes, melons) can be planted through spring and early summer.
About these dates
Based on 1991–2020 NOAA climate normals for the Honolulu Intl Ap, HI weather station, 10 km away (elevation 7 ft (2 m)).
Frost dates near Pearl City
- Tripler Army Medical Center rare frost
- Aiea rare frost
- Waipahu rare frost
- Camp H M Smith rare frost
- Mililani rare frost
- Jbphh rare frost
- Ewa Beach rare frost
- Fort Shafter rare frost
- Wheeler Army Airfield rare frost
- Kapolei rare frost
Frequently asked questions
When is the last frost in Pearl City, HI?
In most years Pearl City, HI has no frost at all. The nearest NOAA station averages 0 nights a year at or below 32°F — too few to calculate a typical frost date.