Bield:Farm
Frost dates · New Mexico

New Mexico frost dates,
county by county.

Last spring frost and first fall frost probability data for all 33 counties in New Mexico, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.

Variation across New Mexico

91 days separate the earliest and latest counties.

The median last spring frost in Doña Ana County is February 26 91 days earlier than Rio Arriba County at May 28. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.

By geography

New Mexico counties on the map.

Each dot is a county. Click for full frost-date detail. Color shows last-spring-frost timing — sage = earliest, amber = latest.

Luna County · Spring Mar 16 · Fall Nov 13 · 242-day seasonTorrance County · Spring May 5 · Fall Oct 10 · 158-day seasonGrant County · Spring Apr 28 · Fall Oct 25 · 180-day seasonSierra County · Spring Mar 1 · Fall Nov 26 · 270-day seasonUnion County · Spring Apr 26 · Fall Oct 17 · 174-day seasonDe Baca County · Spring Apr 3 · Fall Nov 3 · 214-day seasonValencia County · Spring Apr 8 · Fall Oct 31 · 206-day seasonSan Miguel County · Spring May 1 · Fall Oct 16 · 168-day seasonOtero County · Spring May 5 · Fall Oct 13 · 161-day seasonHidalgo County · Spring Mar 11 · Fall Nov 18 · 252-day seasonCibola County · Spring May 4 · Fall Oct 11 · 160-day seasonEddy County · Spring Mar 5 · Fall Nov 18 · 258-day seasonRio Arriba County · Spring May 28 · Fall Sep 26 · 121-day seasonMcKinley County · Spring May 26 · Fall Oct 1 · 128-day seasonLincoln County · Spring Apr 24 · Fall Oct 24 · 183-day seasonSocorro County · Spring Mar 31 · Fall Nov 3 · 217-day seasonTaos County · Spring May 18 · Fall Oct 3 · 138-day seasonSan Juan County · Spring Apr 17 · Fall Oct 26 · 192-day seasonCatron County · Spring May 13 · Fall Oct 12 · 152-day seasonLos Alamos County · Spring Apr 20 · Fall Oct 23 · 186-day seasonSanta Fe County · Spring Apr 22 · Fall Oct 27 · 188-day seasonMora County · Spring May 5 · Fall Oct 9 · 157-day seasonSandoval County · Spring Apr 26 · Fall Oct 21 · 178-day seasonQuay County · Spring Apr 4 · Fall Nov 4 · 214-day seasonDoña Ana County · Spring Feb 26 · Fall Nov 24 · 271-day seasonLea County · Spring Mar 10 · Fall Nov 23 · 258-day seasonCurry County · Spring Apr 8 · Fall Nov 2 · 208-day seasonBernalillo County · Spring Mar 31 · Fall Nov 2 · 216-day seasonChaves County · Spring Mar 10 · Fall Nov 16 · 251-day seasonHarding County · Spring Apr 24 · Fall Oct 20 · 179-day seasonColfax County · Spring May 5 · Fall Oct 8 · 156-day seasonGuadalupe County · Spring Apr 4 · Fall Nov 1 · 211-day seasonRoosevelt County · Spring Apr 7 · Fall Nov 1 · 208-day season
Last spring frostEarliestMedianLatest
33 counties · click any county for full frost data