Durham, KS 67438 Frost Dates
Durham, KS: when does the frost end?
Typically, the last spring freeze lands around 04/08, roughly 223 days out. Fall's first freeze usually shows up around 10/30, roughly 202 days after the last spring frost.
Durham sits in USDA Zone 6b (-5 to 0°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 9 weeks until Durham's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.
Durham against the rest of the dataset
Durham's growing season runs about 202 days, ranking 17,389 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 103 of 745.
Learn more
Before leaning on 67438's figures: the frost range explains how to read the range around Durham's dates instead of trusting one, while local microclimates explains what one yard in Durham can differ from the 67438 normal.