Grants, NM 87040 Frost Dates
87040, near Grants, NM: the frost window
Around 05/13 is the usual last spring frost, about 258 days away. Fall's first freeze usually shows up around 10/04, roughly 145 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Grants in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Grants's growing season runs out in roughly 5 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 Grants's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/29 and only about 1 year in 10 sees frost after that.
Grants against the rest of the dataset
At roughly 145 frost-free days, Grants places 36,178 of 40,283 ZIP codes in this dataset. Within NM, it ranks 310 of 427.
Learn more
Two guides worth reading on 87040: local microclimates, on what one yard in Grants can differ from the 87040 normal, and zone vs. frost date, on why Zone 6b and Grants's frost date answer different questions.