Frost Dates for 88045 — Lordsburg, New Mexico

Half of springs at Lordsburg 4 SE, NM see their last 32°F night by April 27; only one in ten is past it by April 13, and one in ten still has one after May 10. Planting tender crops after May 2 leaves a 30% risk of a frost on them, after May 5 20%, and after May 10 10%. The 13 days between the even-odds date and the one-in-ten date is narrower than at 80% of the 70 New Mexico stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 25 in half of years, as early as October 13 one year in ten, and holds off past November 4 one year in ten. A hard freeze of 28°F follows 7 days later, around November 1; in spring the one-in-ten date for 28°F is May 2, 8 days before the 32°F one. The freeze-free season lasts 179 days in a typical year, longer than at 56% of the 70 New Mexico stations; it reaches 198 days one year in ten and falls short of 159 one year in ten. On average 122 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 7 days longer, to about May 4, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 3 and February 11.

July is the warmest month at Lordsburg 4 SE, NM, averaging 99°F by day and 64°F at night; December is the coldest at 59°F and 25°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 34% of years.

Warmth for growing adds up to 4,921 growing degree days a year (base 50°F), more than at 81% of the 70 New Mexico stations. 38% of them (1,871) have built up by the end of June, and July adds the most, 972. Precipitation totals 11.4 inches a year, most in August (2.2") and least in April (0.3"); May to September bring 54% of it.

The nearest other station, Duncan, AZ, 35 miles northwest of Lordsburg and 584 feet lower, has a last frost 3 days earlier (April 24), the same first-frost date, a season 4 days longer.

The first measurable snow (0.1 inch or more) in Lordsburg usually arrives around December 21, and the last of the season around January 9. Those are the middle dates across the winters of 1991–2020 at Lordsburg 4 SE, NM, 5.8 miles away: half of years saw snow earlier, half later. Snow fell in 70% of those winters. The last 32°F night of spring typically comes 108 days after the last snow.

ZIP 88045 is 6 miles from Lordsburg 4 SE, NM, which stands at 4,244 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 88045 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.