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Hawaii · NOAA station USC00512558

Frost dates for Kahoolawe 499.6, HI

Kahoolawe 499.6 did not record a 32°F freeze in the 1991–2020 normals period, so it has no spring or fall frost date. Frost-tender plants can grow year-round here, though cold snaps are still possible. Nearby ZIP codes are in USDA hardiness zones 12a to 12b.

  • 0%Chance of 32°F in a year
  • 0%Chance of 36°F in a year
  • 66.8°FAverage lowest temp (annual mean min)

Planting date calculator

Pick how much frost risk you accept and how many weeks before or after the last frost your seed packet says to plant.

From your seed packet, e.g. “start 6 weeks before last frost”.

–Last spring frost
–First fall frost
–Your planting date
–Hardiness zone

Chance of a freeze in any year

Kahoolawe 499.6: probability of at least one day at or below each temperature
TemperatureChance per year
36°F0%
32°F0%
28°F0%
24°F0%

Closest ZIP codes (each is closer to another station)

ZIP codes near Kahoolawe 499.6 with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
9675312b55 to 60°F24 km
9679012a50 to 55°F34 km
9673212b55 to 60°F38 km
9679312b55 to 60°F38 km
9676112b55 to 60°F41 km
9676812a50 to 55°F42 km
9677912b55 to 60°F44 km
9676312b55 to 60°F48 km

Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.

About this station

  • NOAA station ID USC00512558, at 20.5569, -156.5750, elevation 366 m (1,200 ft).
  • Data quality: Representative (10+ years), 17 years of freeze data.
  • Average days per year at or below 32°F: 0.
  • Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.

Nearby weather stations

Sources

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.

All Hawaii stations · How frost dates are calculated