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

Planting zone for 95389 — Yosemite National Park, CA

ZIP code 95389 (Yosemite National Park, Mariposa County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 21 and the first fall frost October 27.

Where ZIP 95389 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 21
First frostOct 27
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Yosemite National Park, 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 Yosemite National Park, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 21median — 50% chance of a later frost
Safe for tender plantsMay 13only 10% chance of frost after
First fall frostOctober 27median — 10% chance by Oct 12
Growing season186 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 9.

From the NOAA station Yosemite Park Hq, CA — 9 miles away, elevation 4,019 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 95389

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 10 – Mar 24
SpinachSow outdoors · Mar 10 – Mar 31
Broccoli, cabbageStart indoors · Feb 10 – Feb 24
Broccoli, cabbageTransplant · Mar 31 – Apr 14
Onion setsPlant outdoors · Mar 24 – Apr 7
PotatoesPlant outdoors · Mar 31 – Apr 14
LettuceSow outdoors · Mar 24 – Apr 7
Carrots, beetsSow outdoors · Mar 31 – Apr 14
TomatoesStart indoors · Feb 24 – Mar 10
TomatoesTransplant · Apr 28 – May 12
Peppers, eggplantStart indoors · Feb 10 – Feb 24
Peppers, eggplantTransplant · May 5 – May 19
BeansSow outdoors · Apr 28 – May 12
Sweet cornSow outdoors · Apr 28 – May 12
Cucumbers, squashSow outdoors · Apr 28 – May 12
Fall lettuce, spinachSow outdoors · Sep 1 – Sep 15
GarlicPlant cloves · Oct 13 – Nov 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 21) and first fall frost (Oct 27) 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 95389 came on Mar 21 — 53 days earlier than the 1991–2020 average (May 13).

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 Yosemite National Park, CA

The soil mapped at the center of ZIP 95389 is Crazymule — stony slightly decomposed plant material, somewhat excessively drained.

TextureStony slightly decomposed plant materialtop layer
DrainageSomewhat excessively drainednatural drainage class
Organic matter80%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Rock outcrop-Crazymule-Vitrandic Cryorthents association, 0 to 45 percent slopes, joints, fractures, scoured, cryic.

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 95389; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Yosemite National Park, CA

Summer high72 °Faverage high, July
Winter low12 °Faverage low, February
Hot days0days a year at 90 °F or more
Freezing nights273nights a year at 32 °F or less
Growing degree days390base 50 °F — the season’s usable heat
Longest day14 h 47 mindaylight on June 21
Shortest day9 h 33 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation29.8 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°32 °FJanuary: average high 41 °F, low 13 °F 41°13° JanFebruary: average high 39 °F, low 12 °F 39°12° FebMarch: average high 42 °F, low 15 °F 42°15° MarApril: average high 45 °F, low 22 °F 45°22° AprMay: average high 54 °F, low 27 °F 54°27° MayJune: average high 65 °F, low 33 °F 65°33° JunJuly: average high 72 °F, low 39 °F 72°39° JulAugust: average high 70 °F, low 37 °F 70°37° AugSeptember: average high 65 °F, low 32 °F 65°32° SepOctober: average high 57 °F, low 26 °F 57°26° OctNovember: average high 47 °F, low 20 °F 47°20° NovDecember: average high 40 °F, low 12 °F 40°12° Dec

Precipitation by month inches

0″2″4″6″January: 6.19 in precipitation 6.2 JanFebruary: 3.99 in precipitation 4.0 FebMarch: 4.21 in precipitation 4.2 MarApril: 2.04 in precipitation 2.0 AprMay: 1.70 in precipitation 1.7 MayJune: 0.64 in precipitation 0.6 JunJuly: 0.54 in precipitation 0.5 JulAugust: 0.53 in precipitation 0.5 AugSeptember: 0.52 in precipitation 0.5 SepOctober: 1.80 in precipitation 1.8 OctNovember: 3.10 in precipitation 3.1 NovDecember: 4.56 in precipitation 4.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Tuolumne Meadows Rs, CA (8 mi away); precipitation: Tuolumne Meadows Rs, CA (8 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.

935296a
June Lake, CA · 13 mi
953188b
El Portal, CA · 22 mi
953216a
Groveland, CA · 24 mi
936238a
Fish Camp, CA · 25 mi
935416b
Lee Vining, CA · 26 mi
936449a
Oakhurst, CA · 27 mi
936048b
Bass Lake, CA · 31 mi
936019a
Ahwahnee, CA · 32 mi

California planting zones →

Questions about 95389

What planting zone is ZIP code 95389?

ZIP code 95389 (Yosemite National Park, CA) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Yosemite National Park, CA?

The median last spring frost (32 °F) near 95389 is April 21; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yosemite Park Hq station.

When is the first frost in Yosemite National Park, CA?

The median first fall frost near 95389 is October 27, giving a median frost-free growing season of 186 days.

When should I plant tomatoes in 95389?

Start tomato seeds indoors around Feb 24 – Mar 10 and set transplants outside around Apr 28 – May 12, one to three weeks after the median last frost.

How much rain and snow does 95389 get?

About 29.8 inches of precipitation a year (NOAA 1991–2020 normals, Tuolumne Meadows Rs station).

How hot do summers get in Yosemite National Park, CA?

The average high peaks at 72 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 95389 have?

The USDA soil survey maps Crazymule at the center of ZIP 95389: stony slightly decomposed plant material, somewhat excessively drained.

Did spring come early in Yosemite National Park, CA in 2026?

Spring leaf-out near 95389 came on Mar 21 in 2026, 53 days earlier than the 1991–2020 average (May 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Yosemite National Park, CA?

Intermediate onions: the longest day near 95389 is 14 h 47 min, so day-neutral types bulb best; long-day varieties may not bulb fully.