Frost Dates for 79331 — Lamesa, Texas

Half of springs at Lamesa 1 SSE, TX see their last 32°F night by April 4; only one in ten is past it by March 16, and one in ten still has one after April 22. Planting tender crops after April 10 leaves a 30% risk of a frost on them, after April 15 20%, and after April 22 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 4 in half of years, as early as October 22 one year in ten, and holds off past November 15 one year in ten. A hard freeze of 28°F follows 9 days later, around November 13; in spring the one-in-ten date for 28°F is April 8, 14 days before the 32°F one. The freeze-free season lasts 212 days in a typical year, shorter than at 91% of the 339 Texas stations; it reaches 235 days one year in ten and falls short of 188 one year in ten. On average 93 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 12 days longer, to about April 16, and return around October 25. Severe cold of 16°F or below comes in 91% of winters, usually between December 23 and February 3.

July is the warmest month at Lamesa 1 SSE, TX, averaging 94°F by day and 66°F at night; January is the coldest at 55°F and 26°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 61% of years.

Warmth for growing adds up to 4,997 growing degree days a year (base 50°F), fewer than at 92% of the 351 Texas stations. 40% of them (2,006) have built up by the end of June, and July adds the most, 938. Precipitation totals 16.9 inches a year, most in September (2.9") and least in January (0.6"); May to September bring 62% of it.

The nearest other station, Tahoka, TX, 33 miles north of Lamesa and 155 feet higher, has a last frost 2 days earlier (April 2), a first frost 4 days later (November 8), a season 8 days longer.

The first measurable snow (0.1 inch or more) in Lamesa usually arrives around December 22, and the last of the season around January 18. Those are the middle dates across the winters of 1991–2020 at Lamesa 1 SSE, TX, 0.6 miles away: half of years saw snow earlier, half later. Snow fell in 58% of those winters. The last 32°F night of spring typically comes 76 days after the last snow.

ZIP 79331 is under a mile from Lamesa 1 SSE, TX, which stands at 2,965 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 79331 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.