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

Planting zone for 33182 — Miami, FL

ZIP code 33182 (Miami, Miami-Dade County) is in USDA zone 10b: the coldest winter night averages 35 to 40 °F.

Where ZIP 33182 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.

Zone10b35 to 40 °F
Coldest night1.7 to 4.4 °C
Last frostrare
First frostrare
2012 zone10b

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 10b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Miami, FL…

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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Perrine 4w, FL — 14 miles away, elevation 10 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 33182 came on Jan 10 — about the same time as the 1991–2020 average (Jan 11).

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 10b in Florida

497 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 35 °F or colder — the bottom of zone 10b. Each links to its USDA PLANTS profile.

Trees 70

Shrubs 118

Wildflowers & perennials 154

Grasses 135

Vines 12

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 Miami, FL.

Soil in Miami, FL

The soil mapped at the center of ZIP 33182 is Cooper Town — muck, very poorly drained.

TextureMucktop layer
DrainageVery poorly drainedconsider raised beds
Organic matter75%high
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Cooper Town muck, ponded-Urban land complex, 0 to 1 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 33182; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Miami, FL

Summer high91 °Faverage high, July
Winter low59 °Faverage low, January
Hot days93days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days9,766base 50 °F — the season’s usable heat
Longest day13 h 45 mindaylight on June 21
Shortest day10 h 32 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation69.7 inper year, rain and melted snow

Average high and low, by month

50°60°70°80°90°100°January: average high 77 °F, low 59 °F 77°59° JanFebruary: average high 78 °F, low 61 °F 78°61° FebMarch: average high 81 °F, low 63 °F 81°63° MarApril: average high 85 °F, low 67 °F 85°67° AprMay: average high 87 °F, low 71 °F 87°71° MayJune: average high 90 °F, low 75 °F 90°75° JunJuly: average high 91 °F, low 76 °F 91°76° JulAugust: average high 91 °F, low 76 °F 91°76° AugSeptember: average high 90 °F, low 76 °F 90°76° SepOctober: average high 87 °F, low 73 °F 87°73° OctNovember: average high 82 °F, low 66 °F 82°66° NovDecember: average high 78 °F, low 62 °F 78°62° Dec

Precipitation by month inches

0″2″4″6″8″10″January: 2.03 in precipitation 2.0 JanFebruary: 2.20 in precipitation 2.2 FebMarch: 2.27 in precipitation 2.3 MarApril: 3.43 in precipitation 3.4 AprMay: 6.44 in precipitation 6.4 MayJune: 10.39 in precipitation 10.4 JunJuly: 8.65 in precipitation 8.7 JulAugust: 10.84 in precipitation 10.8 AugSeptember: 9.32 in precipitation 9.3 SepOctober: 8.38 in precipitation 8.4 OctNovember: 3.40 in precipitation 3.4 NovDecember: 2.39 in precipitation 2.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Miami Nwsfo, FL (2 mi away); precipitation: Miami Nwsfo, FL (2 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.

All 94 ZIP codes in Miami → · Florida planting zones →

Questions about 33182

What planting zone is ZIP code 33182?

ZIP code 33182 (Miami, FL) is in USDA hardiness zone 10b on the 2023 map: the coldest night of an average winter reaches 35 to 40 °F (1.7 to 4.4 °C).

How much rain and snow does 33182 get?

About 69.7 inches of precipitation a year (NOAA 1991–2020 normals, Miami Nwsfo station).

How hot do summers get in Miami, FL?

The average high peaks at 91 °F in July, with about 93 days a year at 90 °F or more.

What kind of soil does 33182 have?

The USDA soil survey maps Cooper Town at the center of ZIP 33182: muck, very poorly drained.

Did spring come early in Miami, FL in 2026?

Spring leaf-out near 33182 came on Jan 10 in 2026, about the same as the 1991–2020 average (Jan 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Miami, FL?

Short-day onions: the longest day near 33182 is 13 h 45 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.