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

Planting zone for Buena Park, CA

Buena Park, CA is in USDA zone 10a across its 4 ZIP codes.

Buena Park on the zone map

Outlined: its 2 ZIP code areas · 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.

Zone10a30 to 35 °F
ZIP codes4
Last frostrare
First frostrare
Growing seasonall year

10a 4 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Buena Park, CA…

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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station San Gabriel Fire Dept, CA, elevation 364 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 90624 came on Jan 17 — 4 days earlier than the 1991–2020 average (Jan 21).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Buena Park, CA

The soil mapped at the center of ZIP 90624 is Metz — loamy sand, somewhat excessively drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classPrime farmland if irrigatedUSDA classification

Map unit: Metz loamy sand, moderately fine substratum.

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 90624; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Buena Park, CA

Summer high87 °Faverage high, August
Winter low46 °Faverage low, January
Hot days39days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days5,940base 50 °F — the season’s usable heat
Longest day14 h 24 mindaylight on June 21
Shortest day9 h 54 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation11.9 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 69 °F, low 46 °F 69°46° JanFebruary: average high 69 °F, low 48 °F 69°48° FebMarch: average high 71 °F, low 52 °F 71°52° MarApril: average high 74 °F, low 54 °F 74°54° AprMay: average high 76 °F, low 58 °F 76°58° MayJune: average high 79 °F, low 63 °F 79°63° JunJuly: average high 84 °F, low 66 °F 84°66° JulAugust: average high 87 °F, low 66 °F 87°66° AugSeptember: average high 85 °F, low 65 °F 85°65° SepOctober: average high 80 °F, low 58 °F 80°58° OctNovember: average high 74 °F, low 51 °F 74°51° NovDecember: average high 68 °F, low 46 °F 68°46° Dec

Precipitation by month inches

0″1″2″3″4″January: 2.85 in precipitation 2.9 JanFebruary: 3.02 in precipitation 3.0 FebMarch: 1.74 in precipitation 1.7 MarApril: 0.59 in precipitation 0.6 AprMay: 0.30 in precipitation 0.3 MayJune: 0.08 in precipitation 0.1 JunJuly: 0.02 in precipitation 0.0 JulAugust: 0.02 in precipitation 0.0 AugSeptember: 0.14 in precipitation 0.1 SepOctober: 0.50 in precipitation 0.5 OctNovember: 0.74 in precipitation 0.7 NovDecember: 1.86 in precipitation 1.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Fullerton Municipal Airport, CA (2 mi away); precipitation: Fullerton Municipal Airport, CA (2 mi away). Daylight is calculated from latitude.

ZIP codes in Buena Park

California planting zones →

Questions about Buena Park

What planting zone is Buena Park, CA?

Buena Park, CA is in USDA hardiness zone 10a on the 2023 map (10a: 30 to 35 °F).

What kind of onions grow in Buena Park, CA?

Intermediate onions: the longest day is 14 h 24 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Buena Park, CA get?

About 11.9 inches of precipitation a year (NOAA 1991–2020 normals).