When is the last frost in West Sacramento, CA?

The average last spring frost (50% probability of 32°F) in West Sacramento is around February 22, based on NOAA/NCEI 1991–2020 normals at the Sacramento Metro Ap, CA station (4.7 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in West Sacramento?

The average first fall frost in West Sacramento, CA is around November 24, giving roughly a 277-day frost-free growing season.

What planting zone is West Sacramento, CA?

West Sacramento is in USDA plant hardiness zone 9b (average annual extreme minimum temperature 25 to 30°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in West Sacramento?

In West Sacramento, CA the warmest month is July (avg high 93.6°F) and the coldest is December (avg low 37.2°F). It averages about 18″ of precipitation a year.

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West Sacramento, CA Planting Calendar & Frost Dates

USDA hardiness zone 9b · ZIP 95691 · elevation 7′ · NOAA & USDA data

West Sacramento is in USDA hardiness zone 9b (winters can dip to 25 to 30°F), with a growing season of about 277 days between the average last spring frost (February 22) and first fall frost (November 24). The warmest month is July (avg high 93.6°F); the coldest is December (avg low 37.2°F). It averages 18″ of precipitation a year. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 25 to 30°F

Last spring frost

February 22

avg (50% prob, 32°F)

First fall frost

November 24

avg (50% prob, 32°F)

Growing season

277 days

frost-free window

Warmest month

July

avg high 93.6°F

Month-by-month typical weather in West Sacramento

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Sacramento Metro Ap, CA (4.7 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	55	38.1	46.5	3.7	–
February	60.4	40.3	50.3	3.5	–
March	65.8	42.9	54.4	2.6	–
April	72.1	45.6	58.8	1.2	–
May	80.9	51.5	66.2	0.6	–
June	88.5	56.4	72.5	0.2	–
July	93.6	59	76.3	0	–
August	92.4	58.3	75.3	0.1	–
September	88.5	55.1	71.8	0.1	–
October	78.6	48.3	63.5	0.8	–
November	64.2	41.1	52.6	1.8	–
December	55	37.2	46.1	3.3	–

What to plant when in West Sacramento

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: January 11 · Transplant out: March 1
Peppers	warm	Start seeds indoors: December 28 · Transplant out: March 8
Cucumbers	warm	Direct sow: March 1
Zucchini / squash	warm	Direct sow: March 1
Bush beans	warm	Direct sow: March 1
Sweet corn	warm	Direct sow: March 1
Basil	warm	Transplant out: March 1
Peas	cool	Sow (spring): January 18 · Sow (fall): September 29
Spinach	cool	Sow (spring): January 11 · Sow (fall): September 29
Lettuce	cool	Sow (spring): January 25 · Sow (fall): September 29
Kale	cool	Transplant (spring): February 1 · Sow (fall): September 15
Broccoli	cool	Transplant (spring): February 8
Carrots	cool	Sow (spring): February 1 · Sow (fall): September 15
Onions	cool	Transplant (spring): January 25
Potatoes	cool	Plant seed potatoes: February 8
Radishes	cool	Sow (spring): January 25 · Sow (fall): October 13

Dates are computed from West Sacramento's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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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

Sacramento, CA Davis, CA Woodland, CA Rancho Cordova, CA Citrus Heights, CA Roseville, CA Elk Grove, CA Rocklin, 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 — Sacramento Metro Ap, CA, 4.7 mi (confidence: high). Monthly weather normals: Sacramento Metro Ap, CA, 4.7 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.