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Hawaii · NOAA station USC00510746

Frost dates for Glenwood #2 55.4, HI

Glenwood #2 55.4 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 11b to 12b.

  • 0%Chance of 32°F in a year
  • 0%Chance of 36°F in a year
  • 58.9°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

Glenwood #2 55.4: probability of at least one day at or below each temperature
TemperatureChance per year
36°F0%
32°F0%
28°F0%
24°F0%

ZIP codes whose closest station is this one

ZIP codes near Glenwood #2 55.4 with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
9677111b45 to 50°F5 km
9676012a50 to 55°F10 km
9677812b55 to 60°F12 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 USC00510746, at 19.5189, -155.1414, elevation 671 m (2,200 ft).
  • Data quality: Representative (10+ years), 15 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