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

Planting zone for 93623 — Fish Camp, CA

ZIP code 93623 (Fish Camp, Mariposa County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is May 24 and the first fall frost October 10.

Where ZIP 93623 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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMay 24
First frostOct 10
2012 zone8a

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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Fish Camp, 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 Fish Camp, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 24median — 50% chance of a later frost
Safe for tender plantsJune 11only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 24
Growing season137 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 3 and returns around October 29.

From the NOAA station So Entrance Yosemite Np, CA — 3 miles away, elevation 5,046 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 93623

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 12 – Apr 26
SpinachSow outdoors · Apr 12 – May 3
Broccoli, cabbageStart indoors · Mar 15 – Mar 29
Broccoli, cabbageTransplant · May 3 – May 17
Onion setsPlant outdoors · Apr 26 – May 10
PotatoesPlant outdoors · May 3 – May 17
LettuceSow outdoors · Apr 26 – May 10
Carrots, beetsSow outdoors · May 3 – May 17
TomatoesStart indoors · Mar 29 – Apr 12
TomatoesTransplant · May 31 – Jun 14
Peppers, eggplantStart indoors · Mar 15 – Mar 29
Peppers, eggplantTransplant · Jun 7 – Jun 21
BeansSow outdoors · May 31 – Jun 14
Sweet cornSow outdoors · May 31 – Jun 14
Cucumbers, squashSow outdoors · May 31 – Jun 14
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 24) and first fall frost (Oct 10) 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 93623 came on Feb 3 — 24 days earlier than the 1991–2020 average (Feb 27).

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 Fish Camp, CA

The soil mapped at the center of ZIP 93623 is Chaix family — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Chaix family, deep, 5 to 45 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 93623; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Fish Camp, CA

Summer high80 °Faverage high, July
Winter low26 °Faverage low, December
Hot days3days a year at 90 °F or more
Freezing nights159nights a year at 32 °F or less
Growing degree days1,747base 50 °F — the season’s usable heat
Longest day14 h 45 mindaylight on June 21
Shortest day9 h 34 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation37.2 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°32 °FJanuary: average high 45 °F, low 27 °F 45°27° JanFebruary: average high 46 °F, low 27 °F 46°27° FebMarch: average high 50 °F, low 28 °F 50°28° MarApril: average high 55 °F, low 31 °F 55°31° AprMay: average high 63 °F, low 37 °F 63°37° MayJune: average high 73 °F, low 44 °F 73°44° JunJuly: average high 80 °F, low 51 °F 80°51° JulAugust: average high 80 °F, low 49 °F 80°49° AugSeptember: average high 75 °F, low 45 °F 75°45° SepOctober: average high 64 °F, low 37 °F 64°37° OctNovember: average high 53 °F, low 30 °F 53°30° NovDecember: average high 44 °F, low 26 °F 44°26° Dec

Precipitation by month inches

0″2″4″6″8″January: 7.57 in precipitation 7.6 JanFebruary: 6.68 in precipitation 6.7 FebMarch: 5.18 in precipitation 5.2 MarApril: 3.42 in precipitation 3.4 AprMay: 1.92 in precipitation 1.9 MayJune: 0.53 in precipitation 0.5 JunJuly: 0.16 in precipitation 0.2 JulAugust: 0.11 in precipitation 0.1 AugSeptember: 0.47 in precipitation 0.5 SepOctober: 2.22 in precipitation 2.2 OctNovember: 3.29 in precipitation 3.3 NovDecember: 5.64 in precipitation 5.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: So Entrance Yosemite Np, CA (3 mi away); precipitation: So Entrance Yosemite Np, CA (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

936449a
Oakhurst, CA · 6 mi
936019a
Ahwahnee, CA · 7 mi
936048b
Bass Lake, CA · 12 mi
936699a
Wishon, CA · 15 mi
953188b
El Portal, CA · 15 mi
953389a
Mariposa, CA · 17 mi
953459a
Midpines, CA · 18 mi
936149a
Coarsegold, CA · 18 mi

California planting zones →

Questions about 93623

What planting zone is ZIP code 93623?

ZIP code 93623 (Fish Camp, CA) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Fish Camp, CA?

The median last spring frost (32 °F) near 93623 is May 24; after June 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, So Entrance Yosemite Np station.

When is the first frost in Fish Camp, CA?

The median first fall frost near 93623 is October 10, giving a median frost-free growing season of 137 days.

When should I plant tomatoes in 93623?

Start tomato seeds indoors around Mar 29 – Apr 12 and set transplants outside around May 31 – Jun 14, one to three weeks after the median last frost.

How much rain and snow does 93623 get?

About 37.2 inches of precipitation a year (NOAA 1991–2020 normals, So Entrance Yosemite Np station).

How hot do summers get in Fish Camp, CA?

The average high peaks at 80 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 93623 have?

The USDA soil survey maps Chaix family at the center of ZIP 93623: sandy loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Fish Camp, CA in 2026?

Spring leaf-out near 93623 came on Feb 3 in 2026, 24 days earlier than the 1991–2020 average (Feb 27), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Fish Camp, CA?

Intermediate onions: the longest day near 93623 is 14 h 45 min, so day-neutral types bulb best; long-day varieties may not bulb fully.