Frost dates / Texas / Amarillo

Frost dates in Amarillo, TX

The station on this page is AMARILLO, TX US (USW00023047), 7.4 miles from the city point. Population in the Census 2024 estimate is 203,729.

Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 79101 (0.7 miles from the city point used on this page).

Median last 32°F is April 13. Median first 32°F is October 27. The 50% growing-season length is 195 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	March 29	Earlier date. A last 32°F on or after this day is common.
50%	April 13	Median.
10%	April 29	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	October 14	Earlier date. A first 32°F on or before this day is uncommon.
50%	October 27	Median.
90%	November 8	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	217
50%	195
90%	176

28°F threshold

	10%	50%	90%
Last, on or after	April 19	April 2	March 13
First, on or before	October 22	November 5	November 18
Season at least	236 days	216 days	194 days

36°F threshold

	10%	50%	90%
Last, on or after	May 7	April 25	April 9
First, on or before	October 4	October 18	October 29
Season at least	195 days	175 days	157 days

Station AMARILLO, TX US (USW00023047). Completeness flag S, 27 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 1093.3 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Planting calendar for Amarillo · Zone 7a

Check a crop against this station

Amarillo, TX

Zone 7aAverage annual extreme minimum 0°F to 5°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Texas. Nearest qualified station: AMARILLO, TX US (USW00023047), 7.4 miles. Median last 32°F April 13. Median first 32°F October 27. The 50% growing-season length is 195 days.

Open the ZIP page · Crop guides for Texas

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 29	April 13	March 29
First 32°F on or before	October 14	October 27	November 8

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from Texas A&M AgriLife Extension, Texas Home Vegetable Gardening Guide, retrieved 2026-10-10. Table 8 is statewide and is written as weeks before or after the frost-free date (spring) and the first freeze date (fall). It is not a single calendar date for every Texas city.

Crop

Date checks use your device’s calendar and appear after the page loads.