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

Planting zone for 93277 — Visalia, CA

ZIP code 93277 (Visalia, Tulare County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is January 23 and the first fall frost December 13.

Where ZIP 93277 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 frostJan 23
First frostDec 13
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 Visalia, 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 Visalia, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJanuary 23median — 50% chance of a later frost
Safe for tender plantsFebruary 27only 10% chance of frost after
First fall frostDecember 13median — 10% chance by Nov 27
Growing season328 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 2 and returns around December 25.

From the NOAA station Visalia, CA — 4 miles away, elevation 302 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 93277

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 12 – Dec 26
SpinachSow outdoors · Dec 12 – Jan 2
Broccoli, cabbageStart indoors · Nov 14 – Nov 28
Broccoli, cabbageTransplant · Jan 2 – Jan 16
Onion setsPlant outdoors · Dec 26 – Jan 9
PotatoesPlant outdoors · Jan 2 – Jan 16
LettuceSow outdoors · Dec 26 – Jan 9
Carrots, beetsSow outdoors · Jan 2 – Jan 16
TomatoesStart indoors · Nov 28 – Dec 12
TomatoesTransplant · Jan 30 – Feb 13
Peppers, eggplantStart indoors · Nov 14 – Nov 28
Peppers, eggplantTransplant · Feb 6 – Feb 20
BeansSow outdoors · Jan 30 – Feb 13
Sweet cornSow outdoors · Jan 30 – Feb 13
Cucumbers, squashSow outdoors · Jan 30 – Feb 13
Fall lettuce, spinachSow outdoors · Oct 18 – Nov 1
GarlicPlant cloves · Nov 29 – Jan 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jan 23) and first fall frost (Dec 13) 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 93277 came on Jan 31 — about the same time as the 1991–2020 average (Feb 1).

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 Visalia, CA

The soil mapped at the center of ZIP 93277 is Tagus — loam, well drained.

TextureLoama good balance for most vegetables
pH7.6slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classPrime farmland if irrigated and either protected from flooding or not frequently flooded during the growing seasonUSDA classification

Map unit: Tagus loam, 0 to 2 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 93277; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Visalia, CA

Summer high94 °Faverage high, July
Winter low38 °Faverage low, January
Hot days95days a year at 90 °F or more
Freezing nights9nights a year at 32 °F or less
Growing degree days5,138base 50 °F — the season’s usable heat
Longest day14 h 38 mindaylight on June 21
Shortest day9 h 41 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation10.3 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 55 °F, low 38 °F 55°38° JanFebruary: average high 61 °F, low 42 °F 61°42° FebMarch: average high 67 °F, low 45 °F 67°45° MarApril: average high 73 °F, low 49 °F 73°49° AprMay: average high 81 °F, low 55 °F 81°55° MayJune: average high 89 °F, low 62 °F 89°62° JunJuly: average high 94 °F, low 67 °F 94°67° JulAugust: average high 93 °F, low 65 °F 93°65° AugSeptember: average high 88 °F, low 60 °F 88°60° SepOctober: average high 78 °F, low 52 °F 78°52° OctNovember: average high 64 °F, low 43 °F 64°43° NovDecember: average high 55 °F, low 38 °F 55°38° Dec

Precipitation by month inches

0″1″2″January: 1.96 in precipitation, 0.1 in snowfall 2.0 JanFebruary: 1.64 in precipitation 1.6 FebMarch: 1.82 in precipitation 1.8 MarApril: 0.97 in precipitation 1.0 AprMay: 0.36 in precipitation 0.4 MayJune: 0.13 in precipitation 0.1 JunJuly: 0.00 in precipitation 0.0 JulAugust: 0.00 in precipitation 0.0 AugSeptember: 0.07 in precipitation 0.1 SepOctober: 0.55 in precipitation 0.6 OctNovember: 0.99 in precipitation 1.0 NovDecember: 1.83 in precipitation 1.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Visalia, CA (4 mi away); precipitation: Visalia, CA (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

All 6 ZIP codes in Visalia → · California planting zones →

Questions about 93277

What planting zone is ZIP code 93277?

ZIP code 93277 (Visalia, 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 Visalia, CA?

The median last spring frost (32 °F) near 93277 is January 23; after February 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Visalia station.

When is the first frost in Visalia, CA?

The median first fall frost near 93277 is December 13, giving a median frost-free growing season of 328 days.

When should I plant tomatoes in 93277?

Start tomato seeds indoors around Nov 28 – Dec 12 and set transplants outside around Jan 30 – Feb 13, one to three weeks after the median last frost.

How much rain and snow does 93277 get?

About 10.3 inches of precipitation a year (NOAA 1991–2020 normals, Visalia station).

How hot do summers get in Visalia, CA?

The average high peaks at 94 °F in July, with about 95 days a year at 90 °F or more.

What kind of soil does 93277 have?

The USDA soil survey maps Tagus at the center of ZIP 93277: loam, well drained, pH about 7.6 (slightly alkaline).

Did spring come early in Visalia, CA in 2026?

Spring leaf-out near 93277 came on Jan 31 in 2026, about the same as the 1991–2020 average (Feb 1), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Visalia, CA?

Intermediate onions: the longest day near 93277 is 14 h 38 min, so day-neutral types bulb best; long-day varieties may not bulb fully.