Frost Dates for 87413 — Bloomfield, New Mexico

Half of springs at Bloomfield 3 SE, NM see their last 32°F night by April 23; only one in ten is past it by April 9, and one in ten still has one after May 7. Planting tender crops after April 30 leaves a 30% risk of a frost on them, after May 2 20%, and after May 7 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 66% of the 70 New Mexico stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 19 in half of years, as early as October 6 one year in ten, and holds off past November 1 one year in ten. A hard freeze of 28°F follows 12 days later, around October 31; in spring the one-in-ten date for 28°F is April 24, 13 days before the 32°F one. The freeze-free season lasts 177 days in a typical year, longer than at 51% of the 70 New Mexico stations; it reaches 198 days one year in ten and falls short of 158 one year in ten. On average 135 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 13 days longer, to about May 6, and return around October 10. Severe cold of 16°F or below comes every winter, usually between November 28 and February 16.

July is the warmest month at Bloomfield 3 SE, NM, averaging 92°F by day and 62°F at night; January is the coldest at 43°F and 21°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 28% of years.

Warmth for growing adds up to 3,577 growing degree days a year (base 50°F), more than at 51% of the 70 New Mexico stations. 34% of them (1,215) have built up by the end of June, and July adds the most, 845. Precipitation totals 8.2 inches a year, most in August (1.1") and least in June (0.2"); May to September bring 43% of it.

The nearest other station, Aztec Ruins Nm, NM, 19 miles north of Bloomfield and 162 feet lower, has a last frost 19 days later (May 12), a first frost 13 days earlier (October 6), a season 30 days shorter.

The first measurable snow (0.1 inch or more) in Bloomfield usually arrives around December 8, and the last of the season around February 28. Those are the middle dates across the winters of 1991–2020 at Bloomfield 3 SE, NM, 7.5 miles away: half of years saw snow earlier, half later. Snow fell in 77% of those winters. The last 32°F night of spring typically comes 54 days after the last snow.

ZIP 87413 is 8 miles from Bloomfield 3 SE, NM, which stands at 5,806 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 87413 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.