When is the last frost in Odessa, TX?

The average last spring frost (50% probability of 32°F) in Odessa is around March 15, based on NOAA/NCEI 1991–2020 normals at the Odessa, TX station (1.8 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 Odessa?

The average first fall frost in Odessa, TX is around November 16, giving roughly a 243-day frost-free growing season.

What planting zone is Odessa, TX?

Odessa 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 Odessa?

In Odessa, TX the warmest month is June (avg high 94°F) and the coldest is January (avg low 32.2°F). It averages about 12.3″ of precipitation a year and 0.9″ of snow.

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Odessa, TX Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 79761 · elevation 887′ · NOAA & USDA data

Odessa is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 243 days between the average last spring frost (March 15) and first fall frost (November 16). The warmest month is June (avg high 94°F); the coldest is January (avg low 32.2°F). It averages 12.3″ of precipitation a year and 0.9″ 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 15

avg (50% prob, 32°F)

First fall frost

November 16

avg (50% prob, 32°F)

Growing season

243 days

frost-free window

Warmest month

June

avg high 94°F

Month-by-month typical weather in Odessa

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Odessa, TX (1.8 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	56.9	32.2	44.6	0.7	0.2
February	62	36.2	49.1	0.5	0.2
March	70.8	44	57.4	0.7	0
April	79.3	50.9	65.1	0.7	0
May	86.6	61	73.8	1.6	0
June	94	68.1	81	1	0
July	94	70.8	82.4	1.5	0
August	92.9	69.9	81.4	1.6	0
September	85.3	62.4	73.8	1.5	0
October	77	53.1	65.1	1.3	0
November	66	41.4	53.7	0.6	0.2
December	57.9	33.3	45.6	0.6	0.3

What to plant when in Odessa

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: February 1 · Transplant out: March 22
Peppers	warm	Start seeds indoors: January 18 · Transplant out: March 29
Cucumbers	warm	Direct sow: March 22
Zucchini / squash	warm	Direct sow: March 22
Bush beans	warm	Direct sow: March 22
Sweet corn	warm	Direct sow: March 22
Basil	warm	Transplant out: March 22
Peas	cool	Sow (spring): February 8 · Sow (fall): September 21
Spinach	cool	Sow (spring): February 1 · Sow (fall): September 21
Lettuce	cool	Sow (spring): February 15 · Sow (fall): September 21
Kale	cool	Transplant (spring): February 22 · Sow (fall): September 7
Broccoli	cool	Transplant (spring): March 1
Carrots	cool	Sow (spring): February 22 · Sow (fall): September 7
Onions	cool	Transplant (spring): February 15
Potatoes	cool	Plant seed potatoes: March 1
Radishes	cool	Sow (spring): February 15 · Sow (fall): October 5

Dates are computed from Odessa'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.

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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 — Odessa, TX, 1.8 mi (confidence: high). Monthly weather normals: Odessa, TX, 1.8 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.