When is the last frost in Auburn, AL?

The average last spring frost (50% probability of 32°F) in Auburn is around March 13, based on NOAA/NCEI 1991–2020 normals at the Auburn No.2, AL station (4.7 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 Auburn?

The average first fall frost in Auburn, AL is around November 17, giving roughly a 246-day frost-free growing season.

What planting zone is Auburn, AL?

Auburn 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 Auburn?

In Auburn, AL the warmest month is July (avg high 89.2°F) and the coldest is January (avg low 35.3°F). It averages about 56.5″ of precipitation a year and 0.7″ of snow.

Home › Alabama › Auburn

Auburn, AL Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 36830 · elevation 166′ · NOAA & USDA data

Auburn is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 246 days between the average last spring frost (March 13) and first fall frost (November 17). The warmest month is July (avg high 89.2°F); the coldest is January (avg low 35.3°F). It averages 56.5″ of precipitation a year and 0.7″ 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 13

avg (50% prob, 32°F)

First fall frost

November 17

avg (50% prob, 32°F)

Growing season

246 days

frost-free window

Warmest month

July

avg high 89.2°F

Month-by-month typical weather in Auburn

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Auburn No.2, AL (4.7 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	56.1	35.3	45.7	5.3	0.3
February	60.9	38.9	49.9	5.1	0.2
March	67.7	45	56.4	5.7	0.2
April	74.7	51.3	63	4.8	0
May	81.4	60.1	70.8	4	0
June	86.6	67.7	77.1	5.7	0
July	89.2	70.8	80	4.8	0
August	88.2	70.5	79.4	4.3	0
September	83.5	65.5	74.5	3.5	0
October	74.5	54.4	64.4	3.4	0
November	64.8	43.2	54	4.2	0
December	57.6	37.6	47.6	5.6	0

What to plant when in Auburn

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: January 30 · Transplant out: March 20
Peppers	warm	Start seeds indoors: January 16 · Transplant out: March 27
Cucumbers	warm	Direct sow: March 20
Zucchini / squash	warm	Direct sow: March 20
Bush beans	warm	Direct sow: March 20
Sweet corn	warm	Direct sow: March 20
Basil	warm	Transplant out: March 20
Peas	cool	Sow (spring): February 6 · Sow (fall): September 22
Spinach	cool	Sow (spring): January 30 · Sow (fall): September 22
Lettuce	cool	Sow (spring): February 13 · Sow (fall): September 22
Kale	cool	Transplant (spring): February 20 · Sow (fall): September 8
Broccoli	cool	Transplant (spring): February 27
Carrots	cool	Sow (spring): February 20 · Sow (fall): September 8
Onions	cool	Transplant (spring): February 13
Potatoes	cool	Plant seed potatoes: February 27
Radishes	cool	Sow (spring): February 13 · Sow (fall): October 6

Dates are computed from Auburn'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 Alabama

Phenix City, AL Montgomery, AL Dothan, AL Birmingham, AL Tuscaloosa, AL Huntsville, AL Madison, AL Decatur, AL

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 — Auburn No.2, AL, 4.7 mi (confidence: high). Monthly weather normals: Auburn No.2, AL, 4.7 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.