Pagosa Springs, CO 81147 Frost Dates
81147, near Pagosa Springs, CO: the frost window
Around 05/23 is the usual last spring frost, about 268 days away. Fall's first freeze usually shows up around 09/29, roughly 128 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Pagosa Springs, not a forecast for this year.
Stretching the season past the first frost
Pagosa Springs's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Pagosa Springs's last frost
05/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/07 and only about 1 year in 10 sees frost after that.
Pagosa Springs against the rest of the dataset
Pagosa Springs's growing season runs about 128 days, ranking 38,543 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 442 of 624.
Learn more
Two guides worth reading on 81147: zone vs. frost date, on why Zone 5b and Pagosa Springs's frost date answer different questions, and the frost range, on how to read the range around Pagosa Springs's dates instead of trusting one.