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

Planting zone for 93925 — Chualar, CA

ZIP code 93925 (Chualar, Monterey County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is April 14 and the first fall frost November 2.

Where ZIP 93925 is

Outlined: the ZIP code area · 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostApr 14
First frostNov 2
2012 zone9b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Chualar, 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 in Chualar, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsMay 9only 10% chance of frost after
First fall frostNovember 2median — 10% chance by Oct 16
Growing season201 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 28 and returns around November 22.

From the NOAA station Paicines 4 W, CA — 9 miles away, elevation 906 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 93925

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Sep 7 – Sep 21
GarlicPlant cloves · Oct 19 – Nov 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Nov 2) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 93925 came on Jan 18 — 11 days earlier than the 1991–2020 average (Jan 29).

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 Chualar, CA

The soil mapped at the center of ZIP 93925 is McCoy — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: McCoy clay loam, 30 to 50 percent slopes.

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 93925; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Chualar, CA

Summer high86 °Faverage high, July
Winter low33 °Faverage low, December
Hot days36days a year at 90 °F or more
Freezing nights65nights a year at 32 °F or less
Growing degree days2,884base 50 °F — the season’s usable heat
Longest day14 h 40 mindaylight on June 21
Shortest day9 h 39 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation12.6 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 59 °F, low 34 °F 59°34° JanFebruary: average high 61 °F, low 36 °F 61°36° FebMarch: average high 64 °F, low 37 °F 64°37° MarApril: average high 70 °F, low 39 °F 70°39° AprMay: average high 76 °F, low 43 °F 76°43° MayJune: average high 83 °F, low 46 °F 83°46° JunJuly: average high 86 °F, low 49 °F 86°49° JulAugust: average high 86 °F, low 49 °F 86°49° AugSeptember: average high 83 °F, low 47 °F 83°47° SepOctober: average high 76 °F, low 40 °F 76°40° OctNovember: average high 66 °F, low 36 °F 66°36° NovDecember: average high 58 °F, low 33 °F 58°33° Dec

Precipitation by month inches

0″1″2″3″January: 2.63 in precipitation 2.6 JanFebruary: 2.42 in precipitation 2.4 FebMarch: 2.06 in precipitation 2.1 MarApril: 0.95 in precipitation 0.9 AprMay: 0.38 in precipitation 0.4 MayJune: 0.07 in precipitation 0.1 JunJuly: 0.01 in precipitation 0.0 JulAugust: 0.03 in precipitation 0.0 AugSeptember: 0.05 in precipitation 0.1 SepOctober: 0.60 in precipitation 0.6 OctNovember: 1.26 in precipitation 1.3 NovDecember: 2.12 in precipitation 2.1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Paicines 4 W, CA (9 mi away); precipitation: Salinas Municipal Airport, CA (12 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

California planting zones →

Questions about 93925

What planting zone is ZIP code 93925?

ZIP code 93925 (Chualar, CA) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Chualar, CA?

The median last spring frost (32 °F) near 93925 is April 14; after May 9 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Paicines 4 W station.

When is the first frost in Chualar, CA?

The median first fall frost near 93925 is November 2, giving a median frost-free growing season of 201 days.

When should I plant tomatoes in 93925?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 93925 get?

About 12.6 inches of precipitation a year (NOAA 1991–2020 normals, Salinas Municipal Airport station).

How hot do summers get in Chualar, CA?

The average high peaks at 86 °F in July, with about 36 days a year at 90 °F or more.

What kind of soil does 93925 have?

The USDA soil survey maps McCoy at the center of ZIP 93925: clay loam, well drained, pH about 7.0 (neutral).

Did spring come early in Chualar, CA in 2026?

Spring leaf-out near 93925 came on Jan 18 in 2026, 11 days earlier than the 1991–2020 average (Jan 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Chualar, CA?

Intermediate onions: the longest day near 93925 is 14 h 40 min, so day-neutral types bulb best; long-day varieties may not bulb fully.