USDA Hardiness Zone 13a
Frost Dates for 96863 — Kaneohe Bay, Hawaii
NOAA 1991–2020 normals from Kaneohe Bay Mcas, HI (10 ft), 2 miles west.
Updated
No night at or below 32°F was recorded at Kaneohe Bay Mcas, HI in 1991–2020, not even 36°F, so Kaneohe Bay has no frost dates to plan around; the coolest month, January, averages a low of 68°F.
- Winters with a freeze
- 0%
- Winters with 36°F
- 0%
- Coldest month low
- 68°F
- Hardiness zone
- 13a
32°F or below, 1991–2020
frost possible on leaves
average, January
60 to 65°F (15.6 to 18.3°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 Kaneohe Bay
Kaneohe Bay Mcas, HI, 2 miles west of Kaneohe Bay, 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 Kaneohe Bay Mcas, 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 96863 →Compare Kaneohe Bay with another place →
Weather by month in Kaneohe Bay
September is the warmest month at Kaneohe Bay Mcas, HI, averaging 84°F by day and 76°F at night; February is the coldest at 78°F and 69°F. Not one month recorded a 32°F night; the lowest monthly average low is 68°F.
Warmth for growing adds up to 9,720 growing degree days a year (base 50°F), more than at 80% of the 35 Hawaii stations. 47% of them (4,529) have built up by the end of June, and August adds the most, 922. Precipitation totals 27.8 inches a year, most in November (3.7") and least in May (1.3"); May to September bring 24% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 79 | 68 | 2.8 | 0% | 0 | 722 |
| Feb | 78 | 69 | 3.2 | 0% | 0 | 651 |
| Mar | 78 | 69 | 3.6 | 0% | 0 | 735 |
| Apr | 80 | 71 | 1.6 | 0% | 0 | 756 |
| May | 81 | 72 | 1.3 | 0% | 0 | 822 |
| Jun | 82 | 74 | 1.3 | 0% | 0 | 843 |
| Jul | 83 | 75 | 1.3 | 0% | 0 | 902 |
| Aug | 84 | 75 | 1.4 | 0% | 0 | 922 |
| Sep | 84 | 76 | 1.5 | 0% | 0 | 896 |
| Oct | 83 | 75 | 2.6 | 0% | 0 | 901 |
| Nov | 81 | 73 | 3.7 | 0% | 0 | 806 |
| Dec | 79 | 70 | 3.5 | 0% | 0 | 766 |
Monthly normals 1991–2020 at Kaneohe Bay Mcas, HI (10 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, Kaneohe 838.1, HI, 4 miles west of Kaneohe Bay, has no 32°F night on record either, and a coolest-month low 2°F colder (66°F).
When it snows in Kaneohe Bay, Hawaii
Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Kaneohe 838.1, HI, 3.6 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 96863 is 2 miles from Kaneohe Bay Mcas, HI, which stands at 10 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 96863 in zone 13a, the band where the coldest night of the year averaged 60 to 65°F (15.6 to 18.3°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.