USDA Hardiness Zone 11a
Frost Dates for 96725 — Holualoa, Hawaii
NOAA 1991–2020 normals from Opihihale #2 24.1, HI (1,360 ft), 13 miles southwest.
Updated
No night at or below 32°F was recorded at Opihihale #2 24.1, HI in 1991–2020, not even 36°F, so Holualoa has no frost dates to plan around; the coolest month, February, averages a low of 57°F.
- Winters with a freeze
- 0%
- Winters with 36°F
- 0%
- Coldest month low
- 57°F
- Hardiness zone
- 11a
32°F or below, 1991–2020
frost possible on leaves
average, February
40 to 45°F (4.4 to 7.2°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 20 observed
NOAA normal
Frost risk by date in Holualoa
Opihihale #2 24.1, HI, 13 miles southwest of Holualoa, 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 Opihihale #2 24.1, 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 96725 →Compare Holualoa with another place →
Weather by month in Holualoa
August is the warmest month at Opihihale #2 24.1, HI, averaging 78°F by day and 64°F at night; February is the coldest at 74°F and 57°F. Not one month recorded a 32°F night; the lowest monthly average low is 57°F.
Warmth for growing adds up to 6,603 growing degree days a year (base 50°F), fewer than at 86% of the 35 Hawaii stations. 46% of them (3,047) have built up by the end of June, and August adds the most, 651. Precipitation totals 36.0 inches a year, most in September (4.7") and least in February (2.1"); May to September bring 48% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 74 | 57 | 2.4 | 0% | 0 | 485 |
| Feb | 74 | 57 | 2.1 | 0% | 0 | 430 |
| Mar | 74 | 58 | 3.0 | 0% | 0 | 498 |
| Apr | 74 | 60 | 2.5 | 0% | 0 | 509 |
| May | 75 | 61 | 3.2 | 0% | 0 | 558 |
| Jun | 75 | 63 | 2.8 | 0% | 0 | 569 |
| Jul | 77 | 64 | 3.3 | 0% | 0 | 622 |
| Aug | 78 | 64 | 3.4 | 0% | 0 | 651 |
| Sep | 77 | 63 | 4.7 | 0% | 0 | 608 |
| Oct | 77 | 62 | 3.7 | 0% | 0 | 617 |
| Nov | 76 | 61 | 2.4 | 0% | 0 | 548 |
| Dec | 75 | 58 | 2.5 | 0% | 0 | 512 |
Monthly normals 1991–2020 at Opihihale #2 24.1, HI (1,360 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, S Kona 2 2.32, HI, 23 miles south of Holualoa and 761 feet higher, has no 32°F night on record either, and a coolest-month low 3°F colder (54°F).
When it snows in Holualoa, Hawaii
Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Puuhonua-O-Honaunau 27.4, HI, 10.7 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 96725 is 13 miles from Opihihale #2 24.1, HI, which stands at 1,360 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 96704 (Captain Cook). The 2023 USDA Plant Hardiness Zone Map lists ZIP 96725 in zone 11a, the band where the coldest night of the year averaged 40 to 45°F (4.4 to 7.2°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.