FrostDateByZip

Frost dates for 96739Keauhou, HI

Frost is extremely rare here near Keauhou, based on NOAA 1991-2020 records for the Kailua Kona Ke-Ahole Ap, HI station.

Frost is extremely rare here. Frost-tender plants can usually grow year-round, but cover them if a rare cold snap is forecast.

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)——365 days0%
Frost / freeze (32°F)——365 days0%
Hard freeze (28°F)——365 days0%

Where these dates come from

ZIP code 96739 is matched to the NOAA station Kailua Kona Ke-Ahole Ap, HI, 21.5 km away, at 43 ft elevation (33 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Kailua Kona Ke-Ahole Ap, HI (used)43 ft——
Ke-Ahole Pt 68.13, HI20 ft——
Opihihale #2 24.1, HI1,360 ft——
Mauna Loa 5 Nne, HI11,180 ftApr 12Dec 1

Frost dates near Keauhou

Frequently asked questions

When is the last frost in Keauhou, HI?
Frost is extremely rare here at the nearest NOAA station (Kailua Kona Ke-Ahole Ap, HI), so there is no reliable average last frost date.
When is the first frost in Keauhou, HI?
Frost is extremely rare here at the nearest NOAA station.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.