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

Planting zone for 95345 — Midpines, CA

ZIP code 95345 (Midpines, Mariposa County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is May 12 and the first fall frost November 1.

Where ZIP 95345 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 frostMay 12
First frostNov 1
2012 zone8b

Was 8b on the 2012 map — half a zone warmer now. 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 Midpines, 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 Midpines, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 12median — 50% chance of a later frost
Safe for tender plantsJune 4only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 5
Growing season171 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around November 13.

From the NOAA station Yosemite Village 12 W, CA — 14 miles away, elevation 6,621 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 95345

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 31 – Apr 14
SpinachSow outdoors · Mar 31 – Apr 21
Broccoli, cabbageStart indoors · Mar 3 – Mar 17
Broccoli, cabbageTransplant · Apr 21 – May 5
Onion setsPlant outdoors · Apr 14 – Apr 28
PotatoesPlant outdoors · Apr 21 – May 5
LettuceSow outdoors · Apr 14 – Apr 28
Carrots, beetsSow outdoors · Apr 21 – May 5
TomatoesStart indoors · Mar 17 – Mar 31
TomatoesTransplant · May 19 – Jun 2
Peppers, eggplantStart indoors · Mar 3 – Mar 17
Peppers, eggplantTransplant · May 26 – Jun 9
BeansSow outdoors · May 19 – Jun 2
Sweet cornSow outdoors · May 19 – Jun 2
Cucumbers, squashSow outdoors · May 19 – Jun 2
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 12) and first fall frost (Nov 1) 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 95345 came on Jan 28 — 9 days earlier than the 1991–2020 average (Feb 6).

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 Midpines, CA

The soil mapped at the center of ZIP 95345 is Moccasinhill — channery loam, well drained.

TextureChannery loama good balance for most vegetables
pH6.6neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Moccasinhill-Copperopolis complex, 60 to 90 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 95345; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Midpines, CA

Summer high75 °Faverage high, July
Winter low31 °Faverage low, February
Hot days0days a year at 90 °F or more
Freezing nights88nights a year at 32 °F or less
Growing degree days2,151base 50 °F — the season’s usable heat
Longest day14 h 46 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
Precipitation32.7 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°32 °FJanuary: average high 44 °F, low 32 °F 44°32° JanFebruary: average high 42 °F, low 31 °F 42°31° FebMarch: average high 45 °F, low 32 °F 45°32° MarApril: average high 49 °F, low 36 °F 49°36° AprMay: average high 58 °F, low 43 °F 58°43° MayJune: average high 67 °F, low 52 °F 67°52° JunJuly: average high 75 °F, low 60 °F 75°60° JulAugust: average high 75 °F, low 59 °F 75°59° AugSeptember: average high 70 °F, low 54 °F 70°54° SepOctober: average high 60 °F, low 46 °F 60°46° OctNovember: average high 49 °F, low 37 °F 49°37° NovDecember: average high 43 °F, low 32 °F 43°32° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 6.00 in precipitation 6.0 JanFebruary: 5.61 in precipitation 5.6 FebMarch: 5.58 in precipitation 5.6 MarApril: 2.46 in precipitation 2.5 AprMay: 1.83 in precipitation 1.8 MayJune: 0.35 in precipitation 0.3 JunJuly: 0.11 in precipitation 0.1 JulAugust: 0.04 in precipitation 0.0 AugSeptember: 0.30 in precipitation 0.3 SepOctober: 1.42 in precipitation 1.4 OctNovember: 3.00 in precipitation 3.0 NovDecember: 5.96 in precipitation 6.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Yosemite Village 12 W, CA (14 mi away); precipitation: Mariposa 3.7 Nnw, CA (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

953389a
Mariposa, CA · 6 mi
953188b
El Portal, CA · 10 mi
953118b
Coulterville, CA · 11 mi
953259b
Hornitos, CA · 17 mi
936238a
Fish Camp, CA · 18 mi
953069b
Catheys Valley, CA · 18 mi
936019a
Ahwahnee, CA · 19 mi
936539b
Raymond, CA · 23 mi

California planting zones →

Questions about 95345

What planting zone is ZIP code 95345?

ZIP code 95345 (Midpines, 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 Midpines, CA?

The median last spring frost (32 °F) near 95345 is May 12; after June 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yosemite Village 12 W station.

When is the first frost in Midpines, CA?

The median first fall frost near 95345 is November 1, giving a median frost-free growing season of 171 days.

When should I plant tomatoes in 95345?

Start tomato seeds indoors around Mar 17 – Mar 31 and set transplants outside around May 19 – Jun 2, one to three weeks after the median last frost.

How much rain and snow does 95345 get?

About 32.7 inches of precipitation a year (NOAA 1991–2020 normals, Mariposa 3.7 Nnw station).

How hot do summers get in Midpines, CA?

The average high peaks at 75 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 95345 have?

The USDA soil survey maps Moccasinhill at the center of ZIP 95345: channery loam, well drained, pH about 6.6 (neutral).

Did spring come early in Midpines, CA in 2026?

Spring leaf-out near 95345 came on Jan 28 in 2026, 9 days earlier than the 1991–2020 average (Feb 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Midpines, CA?

Intermediate onions: the longest day near 95345 is 14 h 46 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 95345 change?

Yes. The 2012 USDA map put 95345 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.