USDA Hardiness Zone 12b
Frost Dates for 96763 — Lanai City, Hawaii
NOAA 1991–2020 normals from Lanai Airport 656, HI (1,300 ft), 3 miles southwest.
Updated
No night at or below 32°F was recorded at Lanai Airport 656, HI in 1991–2020, not even 36°F, so Lanai City has no frost dates to plan around; the coolest month, February, averages a low of 60°F.
- Winters with a freeze
- 0%
- Winters with 36°F
- 0%
- Coldest month low
- 60°F
- Hardiness zone
- 12b
32°F or below, 1991–2020
frost possible on leaves
average, February
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 Lanai City
Lanai Airport 656, HI, 3 miles southwest of Lanai City, 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 Lanai Airport 656, 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 96763 →Compare Lanai City with another place →
Weather by month in Lanai City
August is the warmest month at Lanai Airport 656, HI, averaging 83°F by day and 67°F at night; February is the coldest at 76°F and 60°F. Not one month recorded a 32°F night; the lowest monthly average low is 60°F.
Warmth for growing adds up to 7,858 growing degree days a year (base 50°F), fewer than at 80% of the 35 Hawaii stations. 46% of them (3,595) have built up by the end of June, and August adds the most, 778. Precipitation totals 15.9 inches a year, most in January (2.9") and least in August (0.4"); May to September bring 23% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 76 | 60 | 2.9 | 0% | 0 | 560 |
| Feb | 76 | 60 | 1.3 | 0% | 0 | 503 |
| Mar | 77 | 61 | 1.6 | 0% | 0 | 575 |
| Apr | 78 | 61 | 0.6 | 0% | 0 | 591 |
| May | 80 | 63 | 0.7 | 0% | 0 | 663 |
| Jun | 82 | 65 | 0.9 | 0% | 0 | 704 |
| Jul | 83 | 66 | 0.8 | 0% | 0 | 755 |
| Aug | 83 | 67 | 0.4 | 0% | 0 | 778 |
| Sep | 83 | 67 | 0.9 | 0% | 0 | 743 |
| Oct | 82 | 66 | 1.2 | 0% | 0 | 742 |
| Nov | 79 | 64 | 2.4 | 0% | 0 | 644 |
| Dec | 77 | 62 | 2.2 | 0% | 0 | 601 |
Monthly normals 1991–2020 at Lanai Airport 656, HI (1,300 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, Puukolii 457.1, HI, 18 miles northeast of Lanai City and 879 feet lower, has no 32°F night on record either, and a coolest-month low 4°F warmer (64°F).
When it snows in Lanai City, Hawaii
Measurable snow is rare here: only 0 of 15 winters from 1991 to 2020 recorded 0.1 inch or more at Lanai Airport 656, HI, 2.7 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 96763 is 3 miles from Lanai Airport 656, HI, which stands at 1,300 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 96763 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.