Hawaii · NOAA station USC00515710
Frost dates for Mahaulepu 941.1, HI
Mahaulepu 941.1 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
- 69.3°FAverage lowest temp (annual mean min)
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 0% |
| 32°F | 0% |
| 28°F | 0% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 96756 | 12b | 55 to 60°F | 3 km |
| 96765 | 12a | 50 to 55°F | 9 km |
| 96741 | 12a | 50 to 55°F | 12 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 USC00515710, at 21.9000, -159.4211, elevation 24 m (80 ft).
- Data quality: Estimated from nearby stations (2+ years), 7 years of freeze data.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lihue WSO Airport 1020.1 (12 km)
- Makaweli 965 (21 km)
- Waimea 947 (27 km)
- Kilauea 1134 (35 km)
- Kanalohuluhulu 1075 (35 km)
- Princeville Rch 1117 (36 km)
- Barking Sands (40 km)
- Makaha Ctry Club 800.3 (135 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.