Frost Dates for 79772 — Pecos, Texas

Half of springs at Pecos 8W, TX see their last 32°F night by March 18; only one in ten is past it by February 28, and one in ten still has one after April 5. Planting tender crops after March 26 leaves a 30% risk of a frost on them, after March 31 20%, and after April 5 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 75% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 10 in half of years, as early as October 29 one year in ten, and holds off past November 26 one year in ten. A hard freeze of 28°F follows 10 days later, around November 20; in spring the one-in-ten date for 28°F is March 20, 16 days before the 32°F one. The freeze-free season lasts 239 days in a typical year, shorter than at 62% of the 339 Texas stations; it reaches 261 days one year in ten and falls short of 214 one year in ten. On average 69 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 17 days longer, to about April 4, and return around November 2. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 62%.

July is the warmest month at Pecos 8W, TX, averaging 98°F by day and 69°F at night; January is the coldest at 62°F and 30°F. A freezing night is all but certain in every month from November to February (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 87% of years and April still brings one in 19% of years.

Warmth for growing adds up to 6,166 growing degree days a year (base 50°F), fewer than at 61% of the 351 Texas stations. 43% of them (2,630) have built up by the end of June, and July adds the most, 1,032. Precipitation totals 10.1 inches a year, most in September (1.9") and least in April (0.2"); May to September bring 63% of it.

The nearest other station, Monahans, TX, 38 miles east of Pecos and 177 feet lower, has a last frost 16 days later (April 3), a first frost 4 days earlier (November 6), a season 23 days shorter.

Measurable snow is rare here: only 3 of 27 winters from 1991 to 2020 recorded 0.1 inch or more at Balmorhea, TX, 30.7 miles away, so there is no typical first-snow date to plan around.

ZIP 79772 is 6 miles from Pecos 8W, TX, which stands at 2,724 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 79772 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.