Frost Dates for 79821 — Anthony, Texas

Half of springs at La Tuna 1 S, TX see their last 32°F night by February 28; only one in ten is past it by February 7, and one in ten still has one after March 17. Planting tender crops after March 7 leaves a 30% risk of a frost on them, after March 11 20%, and after March 17 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 86% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 20 in half of years, as early as November 5 one year in ten, and holds off past December 3 one year in ten. A hard freeze of 28°F follows 11 days later, around December 1; in spring the one-in-ten date for 28°F is March 4, 13 days before the 32°F one. The freeze-free season lasts 264 days in a typical year, longer than at 68% of the 339 Texas stations; it reaches 288 days one year in ten and falls short of 240 one year in ten. On average 53 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 16 days longer, to about March 16, and return around November 10. Nights of 24°F, cold enough to damage hardier plants, come in 95% of winters and 16°F in 15%.

July is the warmest month at La Tuna 1 S, TX, averaging 94°F by day and 73°F at night; December is the coldest at 56°F and 34°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 49% of years.

Warmth for growing adds up to 6,001 growing degree days a year (base 50°F), fewer than at 72% of the 351 Texas stations. 42% of them (2,507) have built up by the end of June, and July adds the most, 1,042. Precipitation totals 9.0 inches a year, most in July (2.4") and least in April (0.0"); May to September bring 71% of it.

The nearest other station, Santa Teresa Airport, NM, 9 miles southwest of Anthony and 239 feet higher, has a last frost 23 days later (March 23), a first frost 9 days earlier (November 11), a season 33 days shorter.

Measurable snow is rare here: only 0 of 18 winters from 1991 to 2020 recorded 0.1 inch or more at La Tuna 1 S, TX, 0.9 miles away, so there is no typical first-snow date to plan around.

ZIP 79821 is under a mile from La Tuna 1 S, TX, which stands at 3,870 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 88081 (Chaparral). The 2023 USDA Plant Hardiness Zone Map lists ZIP 79821 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.