When is the last frost in Apple Valley, CA?

The average last spring frost (50% probability of 32°F) in Apple Valley is around March 18, based on NOAA/NCEI 1991–2020 normals at the Victorville, CA station (9.5 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 Apple Valley?

The average first fall frost in Apple Valley, CA is around November 11, giving roughly a 233-day frost-free growing season.

What planting zone is Apple Valley, CA?

Apple Valley is in USDA plant hardiness zone 8b (average annual extreme minimum temperature 15 to 20°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Apple Valley?

In Apple Valley, CA the warmest month is July (avg high 97.5°F) and the coldest is December (avg low 32.5°F). It averages about 5.6″ of precipitation a year.

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Apple Valley, CA Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 92307 · elevation 878′ · NOAA & USDA data

Apple Valley is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 233 days between the average last spring frost (March 18) and first fall frost (November 11). The warmest month is July (avg high 97.5°F); the coldest is December (avg low 32.5°F). It averages 5.6″ 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 15 to 20°F

Last spring frost

March 18

avg (50% prob, 32°F)

First fall frost

November 11

avg (50% prob, 32°F)

Growing season

233 days

frost-free window

Warmest month

July

avg high 97.5°F

Month-by-month typical weather in Apple Valley

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Victorville, CA (9.5 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)
January	58.4	33.2	45.8	1
February	61	35.9	48.4	1.3
March	66.8	40.1	53.4	0.8
April	73.1	44.2	58.6	0.3
May	81.4	50.9	66.2	0.1
June	91.4	58	74.7	0
July	97.5	64.2	80.9	0.2
August	97	63.3	80.1	0.1
September	91.2	57.6	74.4	0.2
October	79.3	47.3	63.3	0.3
November	66.9	37.6	52.3	0.4
December	56.9	32.5	44.7	0.9

What to plant when in Apple Valley

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: February 4 · Transplant out: March 25
Peppers	warm	Start seeds indoors: January 21 · Transplant out: April 1
Cucumbers	warm	Direct sow: March 25
Zucchini / squash	warm	Direct sow: March 25
Bush beans	warm	Direct sow: March 25
Sweet corn	warm	Direct sow: March 25
Basil	warm	Transplant out: March 25
Peas	cool	Sow (spring): February 11 · Sow (fall): September 16
Spinach	cool	Sow (spring): February 4 · Sow (fall): September 16
Lettuce	cool	Sow (spring): February 18 · Sow (fall): September 16
Kale	cool	Transplant (spring): February 25 · Sow (fall): September 2
Broccoli	cool	Transplant (spring): March 4
Carrots	cool	Sow (spring): February 25 · Sow (fall): September 2
Onions	cool	Transplant (spring): February 18
Potatoes	cool	Plant seed potatoes: March 4
Radishes	cool	Sow (spring): February 18 · Sow (fall): September 30

Dates are computed from Apple Valley'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

Victorville, CA Hesperia, CA San Bernardino, CA Highland, CA Rialto, CA Redlands, CA Yucaipa, CA Fontana, 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 — Victorville, CA, 9.5 mi (confidence: high). Monthly weather normals: Victorville, CA, 9.5 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.