Williamsburg, NM 87931 Frost Dates
Williamsburg, NM: when does the frost end?
Typically, the last spring freeze lands around 03/25, roughly 209 days out. Fall's first freeze usually shows up around 11/06, roughly 224 days after the last spring frost.
Williamsburg sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 10 weeks until Williamsburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Williamsburg's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Williamsburg against the rest of the dataset
At roughly 224 frost-free days, Williamsburg places 11,944 of 40,283 ZIP codes in this dataset. Within NM, it ranks 49 of 427.
Learn more
Before leaning on 87931's figures: zone vs. frost date explains why Zone 8a and Williamsburg's frost date answer different questions, while the frost range explains how to read the range around Williamsburg's dates instead of trusting one.