USDA Hardiness Zone 12b
Frost Dates for 96717 — Hauula, Hawaii
NOAA 1991–2020 normals from Kapaka Farm 904.1, HI (3 ft), under a mile southeast.
Updated
No night at or below 32°F was recorded at Kapaka Farm 904.1, HI in 1991–2020, not even 36°F, so Hauula has no frost dates to plan around.
- Winters with a freeze
- 0%
- Winters with 36°F
- 0%
- Coldest month low
- —
- Hardiness zone
- 12b
32°F or below, 1991–2020
frost possible on leaves
55 to 60°F (12.8 to 15.6°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 0%
- Snow per year
- 0"
median, 1991–2020
median, 1991–2020
0 of 15 observed
NOAA normal
Frost risk by date in Hauula
Kapaka Farm 904.1, HI, in Hauula, did not record a night at or below 32°F in 1991–2020. 36 of the 37 other Hawaii stations behind this site's ZIP pages recorded no 32°F night either.
Freeze probabilities 1991–2020 at Kapaka Farm 904.1, HI, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 96717 →Compare Hauula with another place →
Compared with the next station
The nearest other station, Kii-Kahuku 911, HI, 6 miles northwest of Hauula, has no 32°F night on record either.
When it snows in Hauula, Hawaii
Measurable snow is rare here: only 0 of 15 winters from 1991 to 2020 recorded 0.1 inch or more at Kapaka Farm 904.1, HI, 0.5 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 96717 is under a mile from Kapaka Farm 904.1, HI, which stands at 3 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 96717 in zone 12b, the band where the coldest night of the year averaged 55 to 60°F (12.8 to 15.6°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.