Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 82433 — Meeteetse, WY

ZIP code 82433 (Meeteetse, Park County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 29 and the first fall frost September 18.

Where ZIP 82433 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.

Zone4b−25 to −20 °F

Coldest night−31.7 to −28.9 °C

Last frostMay 29

First frostSep 18

2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Meeteetse, WY…

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 Meeteetse, WY

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 29median — 50% chance of a later frost

Safe for tender plantsJune 17only 10% chance of frost after

First fall frostSeptember 18median — 10% chance by Sep 3

Growing season110 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 12 and returns around September 29.

From the NOAA station Cody 21 Sw, WY — 24 miles away, elevation 5,840 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 82433

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 17 – May 1

SpinachSow outdoors · Apr 17 – May 8

Broccoli, cabbageStart indoors · Mar 20 – Apr 3

Broccoli, cabbageTransplant · May 8 – May 22

Onion setsPlant outdoors · May 1 – May 15

PotatoesPlant outdoors · May 8 – May 22

LettuceSow outdoors · May 1 – May 15

Carrots, beetsSow outdoors · May 8 – May 22

TomatoesStart indoors · Apr 3 – Apr 17

TomatoesTransplant · Jun 5 – Jun 19

Peppers, eggplantStart indoors · Mar 20 – Apr 3

Peppers, eggplantTransplant · Jun 12 – Jun 26

BeansSow outdoors · Jun 5 – Jun 19

Sweet cornSow outdoors · Jun 5 – Jun 19

Cucumbers, squashSow outdoors · Jun 5 – Jun 19

Fall lettuce, spinachSow outdoors · Jul 24 – Aug 7

GarlicPlant cloves · Sep 4 – Oct 9

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 29) and first fall frost (Sep 18) 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 82433 came on Mar 27 — 37 days earlier than the 1991–2020 average (May 3).

average
May 32026
Mar 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).

Native plants for zone 4b in Wyoming

495 plants native to the lower 48 states, recorded in Wyoming, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Meeteetse, WY.

Soil in Meeteetse, WY

The soil mapped at the center of ZIP 82433 is Coyoteflats — loam, well drained.

TextureLoama good balance for most vegetables

pH6.8neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter2%moderate

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Coyoteflats-Amalia complex, 2 to 8 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 82433; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Meeteetse, WY

Summer high77 °Faverage high, July

Winter low7 °Faverage low, December

Hot days1days a year at 90 °F or more

Freezing nights233nights a year at 32 °F or less

Growing degree days947base 50 °F — the season’s usable heat

Longest day15 h 30 mindaylight on June 21

Shortest day8 h 53 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation21.3 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sunshine 3ne, WY (7 mi away); precipitation: Timber Creek, WY (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.

Thermopolis, WY · 39 mi

825134b

Dubois, WY · 40 mi

824115a

Burlington, WY · 41 mi

824344b

Otto, WY · 45 mi

825235a

Pavillion, WY · 47 mi

824405a

Ralston, WY · 47 mi

Wyoming planting zones →

Questions about 82433

What planting zone is ZIP code 82433?

ZIP code 82433 (Meeteetse, WY) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Meeteetse, WY?

The median last spring frost (32 °F) near 82433 is May 29; after June 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cody 21 Sw station.

When is the first frost in Meeteetse, WY?

The median first fall frost near 82433 is September 18, giving a median frost-free growing season of 110 days.

When should I plant tomatoes in 82433?

Start tomato seeds indoors around Apr 3 – Apr 17 and set transplants outside around Jun 5 – Jun 19, one to three weeks after the median last frost.

How much rain and snow does 82433 get?

About 21.3 inches of precipitation a year (NOAA 1991–2020 normals, Timber Creek station).

How hot do summers get in Meeteetse, WY?

The average high peaks at 77 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 82433 have?

The USDA soil survey maps Coyoteflats at the center of ZIP 82433: loam, well drained, pH about 6.8 (neutral).

Did spring come early in Meeteetse, WY in 2026?

Spring leaf-out near 82433 came on Mar 27 in 2026, 37 days earlier than the 1991–2020 average (May 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Meeteetse, WY?

Long-day onions: the longest day near 82433 is 15 h 30 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).