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

Planting zone for 39631 — Centreville, MS

ZIP code 39631 (Centreville, Wilkinson County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 11 and the first fall frost November 17.

Where ZIP 39631 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 frostMar 11
First frostNov 17
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 Centreville, MS…

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 Centreville, MS

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 11median — 50% chance of a later frost
Safe for tender plantsMarch 31only 10% chance of frost after
First fall frostNovember 17median — 10% chance by Nov 2
Growing season251 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 28 and returns around December 1.

From the NOAA station Woodville 4 Ese, MS — 6 miles away, elevation 400 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 39631

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 28 – Feb 11
SpinachSow outdoors · Jan 28 – Feb 18
Broccoli, cabbageStart indoors · Dec 31 – Jan 14
Broccoli, cabbageTransplant · Feb 18 – Mar 4
Onion setsPlant outdoors · Feb 11 – Feb 25
PotatoesPlant outdoors · Feb 18 – Mar 4
LettuceSow outdoors · Feb 11 – Feb 25
Carrots, beetsSow outdoors · Feb 18 – Mar 4
TomatoesStart indoors · Jan 14 – Jan 28
TomatoesTransplant · Mar 18 – Apr 1
Peppers, eggplantStart indoors · Dec 31 – Jan 14
Peppers, eggplantTransplant · Mar 25 – Apr 8
BeansSow outdoors · Mar 18 – Apr 1
Sweet cornSow outdoors · Mar 18 – Apr 1
Cucumbers, squashSow outdoors · Mar 18 – Apr 1
Fall lettuce, spinachSow outdoors · Sep 22 – Oct 6
GarlicPlant cloves · Nov 3 – Dec 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 11) and first fall frost (Nov 17) 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 39631 came on Jan 16 — 13 days earlier than the 1991–2020 average (Jan 29).

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 9a in Mississippi

541 plants native to the lower 48 states, recorded in Mississippi, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 80

Shrubs 119

Wildflowers & perennials 167

Grasses 153

Vines 13

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 Centreville, MS.

Soil in Centreville, MS

The soil mapped at the center of ZIP 39631 is Providence — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.8%low — add compost
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Providence silt loam, 5 to 8 percent slopes, eroded.

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 39631; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Centreville, MS

Summer high93 °Faverage high, July
Winter low36 °Faverage low, January
Hot days77days a year at 90 °F or more
Freezing nights29nights a year at 32 °F or less
Growing degree days6,350base 50 °F — the season’s usable heat
Longest day14 h 10 mindaylight on June 21
Shortest day10 h 08 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation63.1 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 61 °F, low 36 °F 61°36° JanFebruary: average high 65 °F, low 40 °F 65°40° FebMarch: average high 72 °F, low 47 °F 72°47° MarApril: average high 78 °F, low 54 °F 78°54° AprMay: average high 85 °F, low 62 °F 85°62° MayJune: average high 90 °F, low 68 °F 90°68° JunJuly: average high 93 °F, low 71 °F 93°71° JulAugust: average high 93 °F, low 70 °F 93°70° AugSeptember: average high 89 °F, low 65 °F 89°65° SepOctober: average high 81 °F, low 55 °F 81°55° OctNovember: average high 71 °F, low 45 °F 71°45° NovDecember: average high 63 °F, low 39 °F 63°39° Dec

Precipitation by month inches

0″2″4″6″January: 6.56 in precipitation 6.6 JanFebruary: 5.57 in precipitation 5.6 FebMarch: 5.77 in precipitation 5.8 MarApril: 5.18 in precipitation 5.2 AprMay: 4.62 in precipitation 4.6 MayJune: 5.45 in precipitation 5.5 JunJuly: 5.96 in precipitation 6.0 JulAugust: 4.87 in precipitation 4.9 AugSeptember: 4.91 in precipitation 4.9 SepOctober: 4.59 in precipitation 4.6 OctNovember: 4.32 in precipitation 4.3 NovDecember: 5.34 in precipitation, 0.1 in snowfall 5.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Woodville 4 Ese, MS (6 mi away); precipitation: Centreville, MS (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Mississippi planting zones →

Questions about 39631

What planting zone is ZIP code 39631?

ZIP code 39631 (Centreville, MS) 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 Centreville, MS?

The median last spring frost (32 °F) near 39631 is March 11; after March 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Woodville 4 Ese station.

When is the first frost in Centreville, MS?

The median first fall frost near 39631 is November 17, giving a median frost-free growing season of 251 days.

When should I plant tomatoes in 39631?

Start tomato seeds indoors around Jan 14 – Jan 28 and set transplants outside around Mar 18 – Apr 1, one to three weeks after the median last frost.

How much rain and snow does 39631 get?

About 63.1 inches of precipitation a year (NOAA 1991–2020 normals, Centreville station).

How hot do summers get in Centreville, MS?

The average high peaks at 93 °F in July, with about 77 days a year at 90 °F or more.

What kind of soil does 39631 have?

The USDA soil survey maps Providence at the center of ZIP 39631: silt loam, moderately well drained, pH about 5.3 (strongly acidic).

Did spring come early in Centreville, MS in 2026?

Spring leaf-out near 39631 came on Jan 16 in 2026, 13 days earlier than the 1991–2020 average (Jan 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Centreville, MS?

Short-day onions: the longest day near 39631 is 14 h 10 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 39631 change?

Yes. The 2012 USDA map put 39631 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.