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

Planting zone for Marina Del Rey, CA

Marina Del Rey, CA is in USDA zone 10b across its 2 ZIP codes.

Marina Del Rey on the zone map

Outlined: its 1 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.

Zone10b35 to 40 °F
ZIP codes2
Last frostrare
First frostrare
Growing seasonall year

10b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Marina Del Rey, 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 Torrance Airport, CA, elevation 89 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 90292 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 Marina Del Rey, CA

The soil mapped at the center of ZIP 90292 is Xerorthents — loam, somewhat excessively drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureLoama good balance for most vegetables
pH7.4slightly alkaline; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land, 0 to 2 percent slopes, dredged fill 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 90292; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Marina Del Rey, CA

Summer high77 °Faverage high, August
Winter low48 °Faverage low, December
Hot days5days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days4,708base 50 °F — the season’s usable heat
Longest day14 h 25 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
Precipitation13.4 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°January: average high 66 °F, low 49 °F 66°49° JanFebruary: average high 66 °F, low 49 °F 66°49° FebMarch: average high 66 °F, low 51 °F 66°51° MarApril: average high 68 °F, low 53 °F 68°53° AprMay: average high 69 °F, low 57 °F 69°57° MayJune: average high 71 °F, low 60 °F 71°60° JunJuly: average high 75 °F, low 63 °F 75°63° JulAugust: average high 77 °F, low 63 °F 77°63° AugSeptember: average high 76 °F, low 62 °F 76°62° SepOctober: average high 74 °F, low 58 °F 74°58° OctNovember: average high 70 °F, low 52 °F 70°52° NovDecember: average high 66 °F, low 48 °F 66°48° Dec

Precipitation by month inches

0″1″2″3″4″January: 3.28 in precipitation 3.3 JanFebruary: 3.34 in precipitation 3.3 FebMarch: 2.09 in precipitation 2.1 MarApril: 0.56 in precipitation 0.6 AprMay: 0.26 in precipitation 0.3 MayJune: 0.08 in precipitation 0.1 JunJuly: 0.04 in precipitation 0.0 JulAugust: 0.01 in precipitation 0.0 AugSeptember: 0.14 in precipitation 0.1 SepOctober: 0.55 in precipitation 0.6 OctNovember: 0.76 in precipitation 0.8 NovDecember: 2.34 in precipitation 2.3 Dec

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

ZIP codes in Marina Del Rey

California planting zones →

Questions about Marina Del Rey

What planting zone is Marina Del Rey, CA?

Marina Del Rey, CA is in USDA hardiness zone 10b on the 2023 map (10b: 35 to 40 °F).

What kind of onions grow in Marina Del Rey, CA?

Intermediate onions: the longest day is 14 h 25 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Marina Del Rey, CA get?

About 13.4 inches of precipitation a year (NOAA 1991–2020 normals).