Frost Dates for 67124 — Pratt, Kansas

Half of springs at Pratt 3NW, KS see their last 32°F night by April 20; only one in ten is past it by April 6, and one in ten still has one after May 2. Planting tender crops after April 26 leaves a 30% risk of a frost on them, after April 29 20%, and after May 2 10%. The 12 days between the even-odds date and the one-in-ten date is narrower than at 89% of the 110 Kansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 20 in half of years, as early as October 4 one year in ten, and holds off past November 1 one year in ten. A hard freeze of 28°F follows 10 days later, around October 30; in spring the one-in-ten date for 28°F is April 23, 9 days before the 32°F one. The freeze-free season lasts 183 days in a typical year, shorter than at 63% of the 110 Kansas stations; it reaches 202 days one year in ten and falls short of 164 one year in ten. On average 123 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 April 30, and return around October 11. Severe cold of 16°F or below comes every winter, usually between November 25 and March 7.

July is the warmest month at Pratt 3NW, KS, averaging 92°F by day and 67°F at night; January is the coldest at 43°F and 19°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 14% of years.

Warmth for growing adds up to 4,077 growing degree days a year (base 50°F), fewer than at 55% of the 110 Kansas stations. 35% of them (1,439) have built up by the end of June, and July adds the most, 905. Precipitation totals 27.7 inches a year, most in June (4.1") and least in January (0.6"); May to September bring 61% of it.

The nearest other station, Medicine Lodge, KS, 27 miles southeast of Pratt and 407 feet lower, has a last frost 7 days earlier (April 13), a first frost 3 days later (October 23), a season 8 days longer.

The first measurable snow (0.1 inch or more) in Pratt usually arrives around December 16, and the last of the season around March 4. Those are the middle dates across the winters of 1991–2020 at Pratt 3NW, KS, 2.4 miles away: half of years saw snow earlier, half later. Snow fell in 93% of those winters. The last 32°F night of spring typically comes 47 days after the last snow.

ZIP 67124 is 2 miles from Pratt 3NW, KS, which stands at 1,942 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 67124 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.