Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 96853 — Jbphh, HI

ZIP code 96853 (Jbphh, Honolulu County) is in USDA zone 12b: the coldest winter night averages 55 to 60 °F.

Where ZIP 96853 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone12b55 to 60 °F
Coldest night12.8 to 15.6 °C
Last frostrare
First frostrare
2012 zone12b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 12b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Jbphh, HI…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates

Frost is rare or absent here: Jbphh, HI is in zone 12b, where the coldest night of a typical winter stays above freezing. Cool-season vegetables grow best from fall through spring; summer heat, not frost, is the limit.

Soil in Jbphh, HI

The soil mapped at the center of ZIP 96853 is Fill land, mixed — gravelly sandy loam, well drained.

TextureGravelly sandy loamdrains and warms fast; dries out and needs more feeding
pH6.7neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.55%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Fill land, mixed.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 96853; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jbphh, HI

Summer high89 °Faverage high, August
Winter low67 °Faverage low, January
Hot days32days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days10,242base 50 °F — the season’s usable heat
Longest day13 h 26 mindaylight on June 21
Shortest day10 h 50 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation24.3 inper year, rain and melted snow

Average high and low, by month

60°70°80°90°100°January: average high 81 °F, low 67 °F 81°67° JanFebruary: average high 81 °F, low 67 °F 81°67° FebMarch: average high 81 °F, low 68 °F 81°68° MarApril: average high 83 °F, low 70 °F 83°70° AprMay: average high 85 °F, low 72 °F 85°72° MayJune: average high 87 °F, low 74 °F 87°74° JunJuly: average high 88 °F, low 75 °F 88°75° JulAugust: average high 89 °F, low 76 °F 89°76° AugSeptember: average high 88 °F, low 75 °F 88°75° SepOctober: average high 87 °F, low 74 °F 87°74° OctNovember: average high 84 °F, low 72 °F 84°72° NovDecember: average high 82 °F, low 69 °F 82°69° Dec

Precipitation by month inches

0″1″2″3″4″January: 3.01 in precipitation 3.0 JanFebruary: 3.05 in precipitation 3.0 FebMarch: 3.20 in precipitation 3.2 MarApril: 1.14 in precipitation 1.1 AprMay: 1.14 in precipitation 1.1 MayJune: 0.96 in precipitation 1.0 JunJuly: 0.91 in precipitation 0.9 JulAugust: 0.89 in precipitation 0.9 AugSeptember: 1.40 in precipitation 1.4 SepOctober: 2.87 in precipitation 2.9 OctNovember: 2.72 in precipitation 2.7 NovDecember: 2.99 in precipitation 3.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Honolulu Intl Airport, HI (within 1 mile); precipitation: Honolulu Fire Stn 703.1, HI (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 12b.

Hawaii planting zones →

Questions about 96853

What planting zone is ZIP code 96853?

ZIP code 96853 (Jbphh, HI) is in USDA hardiness zone 12b on the 2023 map: the coldest night of an average winter reaches 55 to 60 °F (12.8 to 15.6 °C).

How much rain and snow does 96853 get?

About 24.3 inches of precipitation a year (NOAA 1991–2020 normals, Honolulu Fire Stn 703.1 station).

How hot do summers get in Jbphh, HI?

The average high peaks at 89 °F in August, with about 32 days a year at 90 °F or more.

What kind of soil does 96853 have?

The USDA soil survey maps Fill land, mixed at the center of ZIP 96853: gravelly sandy loam, well drained, pH about 6.7 (neutral).

What kind of onions grow in Jbphh, HI?

Short-day onions: the longest day near 96853 is 13 h 26 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.