Wellton, AZ 85352 Frost Dates
Wellton, AZ: when does the frost end?
Around 02/13 is the usual last spring frost, about 169 days away. Fall's first freeze usually shows up around 12/01, roughly 288 days after the last spring frost.
Wellton sits in USDA Zone 9b (25 to 30°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 14 weeks until Wellton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Wellton's last frost
02/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/05 and only about 1 year in 10 sees frost after that.
Wellton against the rest of the dataset
About 288 days separate Wellton's last and first frost, putting it 4,567 of 40,283 ZIP codes nationally. Within AZ, it ranks 280 of 506.
Learn more
Before leaning on 85352's figures: zone vs. frost date explains why Zone 9b and Wellton's frost date answer different questions, while the frost range explains how to read the range around Wellton's dates instead of trusting one.