Frost Dates for 79070 — Perryton, Texas

Half of springs at Perryton, TX see their last 32°F night by April 14; only one in ten is past it by March 29, and one in ten still has one after April 29. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 24 20%, and after April 29 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 94% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 30 in half of years, as early as October 15 one year in ten, and holds off past November 12 one year in ten. A hard freeze of 28°F follows 8 days later, around November 7; in spring the one-in-ten date for 28°F is April 20, 9 days before the 32°F one. The freeze-free season lasts 197 days in a typical year, shorter than at 94% of the 339 Texas stations; it reaches 217 days one year in ten and falls short of 177 one year in ten. On average 131 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 11 days longer, to about April 25, and return around October 20. Severe cold of 16°F or below comes every winter, usually between December 4 and February 26.

July is the warmest month at Perryton, TX, averaging 96°F by day and 68°F at night; January is the coldest at 51°F and 24°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 84% of years.

Warmth for growing adds up to 4,782 growing degree days a year (base 50°F), fewer than at 93% of the 351 Texas stations. 37% of them (1,756) have built up by the end of June, and July adds the most, 990. Precipitation totals 22.9 inches a year, most in July (3.5") and least in February (0.6"); May to September bring 63% of it.

The nearest other station, Spearman, TX, 22 miles southwest of Perryton and 153 feet higher, has a last frost 6 days earlier (April 8), a first frost 5 days later (November 4), a season 12 days longer.

The first measurable snow (0.1 inch or more) in Perryton usually arrives around December 9, and the last of the season around March 19. Those are the middle dates across the winters of 1991–2020 at Perryton, TX, 3.7 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 26 days after the last snow.

ZIP 79070 is 4 miles from Perryton, TX, which stands at 2,942 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 79070 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.