San Ysidro, NM 87024 Frost Dates
San Ysidro, NM: when does the frost end?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. Fall's first freeze usually shows up around 10/24, roughly 188 days after the last spring frost.
San Ysidro sits in USDA Zone 7a (0 to 5°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 8 weeks until San Ysidro's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around San Ysidro's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
San Ysidro against the rest of the dataset
About 188 days separate San Ysidro's last and first frost, putting it 22,224 of 40,283 ZIP codes nationally. Within NM, it ranks 166 of 427.
Learn more
Before leaning on 87024's figures: zone vs. frost date explains why Zone 7a and San Ysidro's frost date answer different questions, while the frost range explains how to read the range around San Ysidro's dates instead of trusting one.