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

Planting zone for 93602 — Auberry, CA

ZIP code 93602 (Auberry, Fresno County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 25 and the first fall frost December 3.

Where ZIP 93602 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostMar 25
First frostDec 3
2012 zone9a

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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Auberry, 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 Auberry, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 25median — 50% chance of a later frost
Safe for tender plantsApril 22only 10% chance of frost after
First fall frostDecember 3median — 10% chance by Nov 14
Growing season253 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 29 and returns around December 17.

From the NOAA station Auberry 2 Nw, CA — 7 miles away, elevation 2,090 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 93602

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 11 – Feb 25
SpinachSow outdoors · Feb 11 – Mar 4
Broccoli, cabbageStart indoors · Jan 14 – Jan 28
Broccoli, cabbageTransplant · Mar 4 – Mar 18
Onion setsPlant outdoors · Feb 25 – Mar 11
PotatoesPlant outdoors · Mar 4 – Mar 18
LettuceSow outdoors · Feb 25 – Mar 11
Carrots, beetsSow outdoors · Mar 4 – Mar 18
TomatoesStart indoors · Jan 28 – Feb 11
TomatoesTransplant · Apr 1 – Apr 15
Peppers, eggplantStart indoors · Jan 14 – Jan 28
Peppers, eggplantTransplant · Apr 8 – Apr 22
BeansSow outdoors · Apr 1 – Apr 15
Sweet cornSow outdoors · Apr 1 – Apr 15
Cucumbers, squashSow outdoors · Apr 1 – Apr 15
Fall lettuce, spinachSow outdoors · Oct 8 – Oct 22
GarlicPlant cloves · Nov 19 – Dec 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 25) and first fall frost (Dec 3) 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 93602 came on Jan 23 — 18 days earlier than the 1991–2020 average (Feb 10).

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 Auberry, CA

The soil mapped at the center of ZIP 93602 is Holland family — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3.5%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Holland family, 35 to 65 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 93602; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Auberry, CA

Summer high94 °Faverage high, July
Winter low37 °Faverage low, January
Hot days90days a year at 90 °F or more
Freezing nights23nights a year at 32 °F or less
Growing degree days4,836base 50 °F — the season’s usable heat
Longest day14 h 43 mindaylight on June 21
Shortest day9 h 37 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation25.1 inper year, rain and melted snow
Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 54 °F, low 37 °F 54°37° JanFebruary: average high 57 °F, low 39 °F 57°39° FebMarch: average high 62 °F, low 42 °F 62°42° MarApril: average high 68 °F, low 46 °F 68°46° AprMay: average high 77 °F, low 53 °F 77°53° MayJune: average high 87 °F, low 61 °F 87°61° JunJuly: average high 94 °F, low 68 °F 94°68° JulAugust: average high 93 °F, low 67 °F 93°67° AugSeptember: average high 88 °F, low 62 °F 88°62° SepOctober: average high 75 °F, low 53 °F 75°53° OctNovember: average high 62 °F, low 43 °F 62°43° NovDecember: average high 54 °F, low 37 °F 54°37° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 5.29 in precipitation, 0.5 in snowfall 5.3❄1 JanFebruary: 4.42 in precipitation, 0.5 in snowfall 4.4❄1 FebMarch: 4.10 in precipitation, 0.6 in snowfall 4.1❄1 MarApril: 2.07 in precipitation, 0.1 in snowfall 2.1 AprMay: 1.01 in precipitation 1.0 MayJune: 0.33 in precipitation 0.3 JunJuly: 0.07 in precipitation 0.1 JulAugust: 0.03 in precipitation 0.0 AugSeptember: 0.12 in precipitation 0.1 SepOctober: 1.20 in precipitation 1.2 OctNovember: 2.21 in precipitation 2.2 NovDecember: 4.25 in precipitation, 0.3 in snowfall 4.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Auberry 2 Nw, CA (7 mi away); precipitation: Auberry 2 Nw, CA (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

4 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

936679a
Tollhouse, CA · 8 mi
936519a
Prather, CA · 8 mi
936057b
Big Creek, CA · 11 mi
936648a
Shaver Lake, CA · 11 mi
936439a
North Fork, CA · 12 mi
936459a
O Neals, CA · 14 mi
936199b
Clovis, CA · 15 mi
936499b
Piedra, CA · 16 mi

California planting zones →

Questions about 93602

What planting zone is ZIP code 93602?

ZIP code 93602 (Auberry, CA) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Auberry, CA?

The median last spring frost (32 °F) near 93602 is March 25; after April 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Auberry 2 Nw station.

When is the first frost in Auberry, CA?

The median first fall frost near 93602 is December 3, giving a median frost-free growing season of 253 days.

When should I plant tomatoes in 93602?

Start tomato seeds indoors around Jan 28 – Feb 11 and set transplants outside around Apr 1 – Apr 15, one to three weeks after the median last frost.

How much rain and snow does 93602 get?

About 25.1 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Auberry 2 Nw station).

How hot do summers get in Auberry, CA?

The average high peaks at 94 °F in July, with about 90 days a year at 90 °F or more.

What kind of soil does 93602 have?

The USDA soil survey maps Holland family at the center of ZIP 93602: sandy loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Auberry, CA in 2026?

Spring leaf-out near 93602 came on Jan 23 in 2026, 18 days earlier than the 1991–2020 average (Feb 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Auberry, CA?

Intermediate onions: the longest day near 93602 is 14 h 43 min, so day-neutral types bulb best; long-day varieties may not bulb fully.