FrostDateCheck

Gorham, KS 67640 Frost Dates

67640, near Gorham, KS: the frost window

Zone 6b

The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/17, roughly 176 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Gorham in Zone 6b (-5 to 0°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

Gorham's growing season runs out in roughly 7 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 Gorham's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.

Gorham against the rest of the dataset

Gorham's growing season runs about 176 days, ranking 26,620 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 590 of 745.

Learn more

Two guides worth reading on 67640: zone vs. frost date, on why Zone 6b and Gorham's frost date answer different questions, and the frost range, on how to read the range around Gorham's dates instead of trusting one.