Hugo, CO 80826 Frost Dates
Hugo, CO: when does the frost end?
Typically, the last spring freeze lands around 05/10, roughly 255 days out. Fall's first freeze usually shows up around 10/02, roughly 143 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hugo in Zone 5b (-15 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 5 weeks until Hugo's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hugo's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Hugo against the rest of the dataset
Hugo's growing season runs about 143 days, ranking 36,575 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 384 of 624.
Learn more
Before leaning on 80826's figures: local microclimates explains what one yard in Hugo can differ from the 80826 normal, while zone vs. frost date explains why Zone 5b and Hugo's frost date answer different questions.