Gallup, NM 87312 Frost Dates
87312, near Gallup, NM: the frost window
Around 06/05 is the usual last spring frost, about 281 days away. Fall's first freeze usually shows up around 09/25, roughly 109 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Gallup, not a forecast for this year.
Stretching the season past the first frost
Gallup's growing season runs out in roughly 4 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Gallup's last frost
06/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/22 and only about 1 year in 10 sees frost after that.
Gallup against the rest of the dataset
Gallup's growing season runs about 109 days, ranking 39,518 of 40,283 US ZIP codes measured here, longest to shortest. Within NM, it ranks 401 of 427.
Learn more
Two guides worth reading on 87312: local microclimates, on what one yard in Gallup can differ from the 87312 normal, and zone vs. frost date, on why Zone 6a and Gallup's frost date answer different questions.