When is the last frost in Meridian, MS?

The average last spring frost (50% probability of 32°F) in Meridian is around March 16, based on NOAA/NCEI 1991–2020 normals at the Meridian Key Fld, MS station (9.7 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Meridian?

The average first fall frost in Meridian, MS is around November 12, giving roughly a 239-day frost-free growing season.

What planting zone is Meridian, MS?

Meridian is in USDA plant hardiness zone 8b (average annual extreme minimum temperature 15 to 20°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Meridian?

In Meridian, MS the warmest month is July (avg high 93.3°F) and the coldest is January (avg low 36.4°F). It averages about 57″ of precipitation a year and 0.6″ of snow.

Home › Mississippi › Meridian

Meridian, MS Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 39301 · elevation 90′ · NOAA & USDA data

Meridian is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 239 days between the average last spring frost (March 16) and first fall frost (November 12). The warmest month is July (avg high 93.3°F); the coldest is January (avg low 36.4°F). It averages 57″ of precipitation a year and 0.6″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 15 to 20°F

Last spring frost

March 16

avg (50% prob, 32°F)

First fall frost

November 12

avg (50% prob, 32°F)

Growing season

239 days

frost-free window

Warmest month

July

avg high 93.3°F

Month-by-month typical weather in Meridian

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Meridian Key Fld, MS (9.7 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	59	36.4	47.7	5.6	0.2
February	63.8	39.7	51.7	5.4	0
March	71.2	45.9	58.5	5.7	0.3
April	78.2	52.6	65.4	5.6	0
May	85.3	61.3	73.3	4.2	0
June	91	68.9	80	4.6	0
July	93.3	72	82.7	5.1	0
August	93.1	71.3	82.2	4.4	0
September	88.9	65.6	77.3	3.2	0
October	79.5	53.7	66.6	3.9	0
November	68.7	42.9	55.8	4.2	0
December	61.1	38.6	49.9	5.3	0.1

What to plant when in Meridian

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: February 2 · Transplant out: March 23
Peppers	warm	Start seeds indoors: January 19 · Transplant out: March 30
Cucumbers	warm	Direct sow: March 23
Zucchini / squash	warm	Direct sow: March 23
Bush beans	warm	Direct sow: March 23
Sweet corn	warm	Direct sow: March 23
Basil	warm	Transplant out: March 23
Peas	cool	Sow (spring): February 9 · Sow (fall): September 17
Spinach	cool	Sow (spring): February 2 · Sow (fall): September 17
Lettuce	cool	Sow (spring): February 16 · Sow (fall): September 17
Kale	cool	Transplant (spring): February 23 · Sow (fall): September 3
Broccoli	cool	Transplant (spring): March 2
Carrots	cool	Sow (spring): February 23 · Sow (fall): September 3
Onions	cool	Transplant (spring): February 16
Potatoes	cool	Plant seed potatoes: March 2
Radishes	cool	Sow (spring): February 16 · Sow (fall): October 1

Dates are computed from Meridian's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Mississippi

Hattiesburg, MS Jackson, MS Biloxi, MS Gulfport, MS Southaven, MS

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Meridian Key Fld, MS, 9.7 mi (confidence: high). Monthly weather normals: Meridian Key Fld, MS, 9.7 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.