Williamsburg, NM 88042 Frost Dates
88042, near Williamsburg, NM: the frost window
Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/23, roughly 183 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Williamsburg in Zone 8a (10 to 15°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
Williamsburg's growing season runs out in roughly 8 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 Williamsburg's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Williamsburg against the rest of the dataset
Williamsburg's growing season runs about 183 days, ranking 23,994 of 40,283 US ZIP codes measured here, longest to shortest. Within NM, it ranks 183 of 427.
Learn more
Two guides worth reading on 88042: local microclimates, on what one yard in Williamsburg can differ from the 88042 normal, and zone vs. frost date, on why Zone 8a and Williamsburg's frost date answer different questions.