Frost Dates for 79124 — Amarillo, Texas

Half of springs at Bushland 1 WSW, TX see their last 32°F night by April 22; only one in ten is past it by April 10, and one in ten still has one after May 3. Planting tender crops after April 27 leaves a 30% risk of a frost on them, after April 30 20%, and after May 3 10%. The 11 days between the even-odds date and the one-in-ten date is the narrowest of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 21 in half of years, as early as October 6 one year in ten, and holds off past November 1 one year in ten. A hard freeze of 28°F follows 10 days later, around October 31; in spring the one-in-ten date for 28°F is April 26, 7 days before the 32°F one. The freeze-free season lasts 182 days in a typical year, shorter than at 99% of the 339 Texas stations; it reaches 199 days one year in ten and falls short of 165 one year in ten. On average 128 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 10 days longer, to about May 2, and return around October 13. Severe cold of 16°F or below comes every winter, usually between November 27 and March 3.

July is the warmest month at Bushland 1 WSW, TX, averaging 91°F by day and 63°F at night; January is the coldest at 51°F and 21°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 18% of years.

Warmth for growing adds up to 3,922 growing degree days a year (base 50°F), the fewest of the 351 Texas stations. 37% of them (1,436) have built up by the end of June, and July adds the most, 829. Precipitation totals 19.4 inches a year, most in June (2.8") and least in February (0.5"); May to September bring 62% of it.

The nearest other station, Amarillo 7ENE, TX, 14 miles east of Amarillo and 229 feet lower, has a last frost 7 days earlier (April 15), a first frost 8 days later (October 29), a season 14 days longer.

The first measurable snow (0.1 inch or more) in Amarillo usually arrives around November 23, and the last of the season around March 25. Those are the middle dates across the winters of 1991–2020 at Amarillo, TX, 13.8 miles away: half of years saw snow earlier, half later. Snow fell in 97% of those winters. The last 32°F night of spring typically comes 28 days after the last snow.

ZIP 79124 is 8 miles from Bushland 1 WSW, TX, which stands at 3,819 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 79119 (Amarillo). The 2023 USDA Plant Hardiness Zone Map lists ZIP 79124 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.