Guadalupe, AZ 85041 Frost Dates
Guadalupe, AZ: when does the frost end?
Typically, the last spring freeze lands around 01/21, roughly 146 days out. Fall's first freeze usually shows up around 12/16, roughly 331 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Guadalupe in Zone 10a (30 to 35°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 16 weeks until Guadalupe's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Guadalupe's last frost
01/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/24 and only about 1 year in 10 sees frost after that.
Guadalupe against the rest of the dataset
Guadalupe's growing season runs about 331 days, ranking 2,954 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 183 of 506.
Learn more
Before leaning on 85041's figures: zone vs. frost date explains why Zone 10a and Guadalupe's frost date answer different questions, while the frost range explains how to read the range around Guadalupe's dates instead of trusting one.