Frost Dates for 67861 — Leoti, Kansas

Half of springs at Leoti, KS see their last 32°F night by May 2; only one in ten is past it by April 17, and one in ten still has one after May 16. Planting tender crops after May 7 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 12 in half of years, as early as September 29 one year in ten, and holds off past October 24 one year in ten. A hard freeze of 28°F follows 9 days later, around October 21; in spring the one-in-ten date for 28°F is May 8, 8 days before the 32°F one. The freeze-free season lasts 161 days in a typical year, shorter than at 97% of the 110 Kansas stations; it reaches 179 days one year in ten and falls short of 142 one year in ten. On average 160 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 9 days longer, to about May 11, and return around October 3. Severe cold of 16°F or below comes every winter, usually between November 14 and March 18.

July is the warmest month at Leoti, KS, averaging 92°F by day and 62°F at night; January is the coldest at 44°F and 16°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 55% of years.

Warmth for growing adds up to 3,412 growing degree days a year (base 50°F), fewer than at 97% of the 110 Kansas stations. 34% of them (1,144) have built up by the end of June, and July adds the most, 829. Precipitation totals 19.4 inches a year, most in August (3.1") and least in January (0.4"); May to September bring 63% of it.

The nearest other station, Scott City, KS, 26 miles east of Leoti and 335 feet lower, has a last frost 2 days earlier (April 30), a first frost 3 days later (October 15), a season 6 days longer.

The first measurable snow (0.1 inch or more) in Leoti usually arrives around November 11, and the last of the season around March 21. Those are the middle dates across the winters of 1991–2020 at Leoti, KS, 1.8 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 42 days after the last snow.

ZIP 67861 is 2 miles from Leoti, KS, which stands at 3,309 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 67861 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.