Rio Rancho, NM 87124 Frost Dates
Rio Rancho, NM: when does the frost end?
Typically, the last spring freeze lands around 04/08, roughly 223 days out. Fall's first freeze usually shows up around 11/01, roughly 203 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Rio Rancho in Zone 7b (5 to 10°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
With roughly 9 weeks until Rio Rancho's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Rio Rancho's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Rio Rancho against the rest of the dataset
About 203 days separate Rio Rancho's last and first frost, putting it 16,819 of 40,283 ZIP codes nationally. Within NM, it ranks 123 of 427.
Learn more
Before leaning on 87124's figures: local microclimates explains what one yard in Rio Rancho can differ from the 87124 normal, while zone vs. frost date explains why Zone 7b and Rio Rancho's frost date answer different questions.