Estes Park, CO 80532 Frost Dates
Estes Park, CO: when does the frost end?
The last spring frost here typically falls around 05/21, about 266 days from today. Fall's first freeze usually shows up around 09/29, roughly 128 days after the last spring frost.
Estes Park sits in USDA Zone 5b (-15 to -10°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 5 weeks until Estes Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Estes Park's last frost
05/21 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 06/04 and only about 1 year in 10 sees frost after that.
Estes Park against the rest of the dataset
About 128 days separate Estes Park's last and first frost, putting it 38,538 of 40,283 ZIP codes nationally. Within CO, it ranks 440 of 624.
Learn more
Before leaning on 80532's figures: the frost range explains how to read the range around Estes Park's dates instead of trusting one, while local microclimates explains what one yard in Estes Park can differ from the 80532 normal.