What planting zone is Torrance, CA?

Torrance is in USDA plant hardiness zone 10b (average annual extreme minimum temperature 35 to 40°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Torrance?

In Torrance, CA the warmest month is August (avg high 78.1°F) and the coldest is December (avg low 46.3°F). It averages about 13.6″ of precipitation a year.

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Torrance, CA Planting Calendar & Frost Dates

USDA hardiness zone 10b · ZIP 90501 · elevation 27′ · NOAA & USDA data

Torrance sits in USDA zone 10b and is effectively frost-free — you can grow something outdoors year-round. The warmest month is August (avg high 78.1°F) and the coolest is December (avg low 46.3°F). Time plantings by the hot vs. cool season rather than by frost: grow heat-loving crops through the warm months and cool-season greens in the mild winter. The wettest month is February (3.7″).

Hardiness zone

10b

min temp 35 to 40°F

Frost

Frost-free

grow year-round

Warmest month

August

avg high 78.1°F

Month-by-month typical weather in Torrance

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Torrance Ap, CA (2.7 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)
January	66.8	47	56.9	3.4
February	66.4	47.6	57	3.7
March	67.7	49.8	58.8	2
April	70.2	51.6	60.9	0.6
May	71.8	55.4	63.6	0.3
June	73.9	58.5	66.2	0.1
July	76.9	61.8	69.4	0.1
August	78.1	62.4	70.2	0
September	78.1	60.9	69.5	0.1
October	75.7	57.1	66.4	0.5
November	70.7	50.7	60.7	0.8
December	66.1	46.3	56.2	2.2

What to plant when in Torrance

Torrance is frost-free, so there's no last-frost date to time from. Grow cool-season crops (lettuce, peas, broccoli, carrots) in the cooler months and warm-season crops (tomatoes, peppers, beans, squash) through the warm season.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in California

Inglewood, CA Carson, CA Gardena, CA Redondo Beach, CA Compton, CA Hawthorne, CA Rancho Palos Verdes, CA Long Beach, CA

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Torrance Ap, CA, 2.7 mi (confidence: high). Monthly weather normals: Torrance Ap, CA, 2.7 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.