Frost Dates for 67735 — Goodland, Kansas

Half of springs at Goodland, KS see their last 32°F night by May 2; only one in ten is past it by April 19, and one in ten still has one after May 16. Planting tender crops after May 8 leaves a 30% risk of a frost on them, after May 11 20%, and after May 16 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 44% of the 110 Kansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 11 in half of years, as early as September 28 one year in ten, and holds off past October 21 one year in ten. A hard freeze of 28°F follows 8 days later, around October 19; in spring the one-in-ten date for 28°F is May 6, 10 days before the 32°F one. The freeze-free season lasts 158 days in a typical year, shorter than at 98% of the 110 Kansas stations; it reaches 177 days one year in ten and falls short of 140 one year in ten. On average 157 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 10 days longer, to about May 12, and return around October 1. Severe cold of 16°F or below comes every winter, usually between November 14 and March 19.

July is the warmest month at Goodland, KS, averaging 90°F by day and 62°F at night; January is the coldest at 43°F and 17°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 58% of years.

Warmth for growing adds up to 3,275 growing degree days a year (base 50°F), the fewest of the 110 Kansas stations. 33% of them (1,083) have built up by the end of June, and July adds the most, 807. Precipitation totals 19.2 inches a year, most in July (3.1") and least in January (0.3"); May to September bring 70% of it.

The nearest other station, Burlington, CO, 27 miles west of Goodland and 511 feet higher, has a last frost 4 days later (May 6), a first frost 2 days earlier (October 9), a season 3 days shorter.

The first measurable snow (0.1 inch or more) in Goodland usually arrives around October 30, and the last of the season around April 13. Those are the middle dates across the winters of 1991–2020 at Goodland, KS, 3.7 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 19 days after the last snow.

ZIP 67735 is 4 miles from Goodland, KS, which stands at 3,651 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 67735 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.