Frost Dates for 67068 — Kingman, Kansas

Half of springs at Kingman, KS see their last 32°F night by April 15; only one in ten is past it by April 1, and one in ten still has one after April 30. Planting tender crops after April 21 leaves a 30% risk of a frost on them, after April 25 20%, and after April 30 10%. The 15 days between the even-odds date and the one-in-ten date is wider than at 57% of the 110 Kansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 21 in half of years, as early as October 5 one year in ten, and holds off past November 4 one year in ten. A hard freeze of 28°F follows 10 days later, around October 31; in spring the one-in-ten date for 28°F is April 20, 10 days before the 32°F one. The freeze-free season lasts 187 days in a typical year, shorter than at 52% of the 110 Kansas stations; it reaches 209 days one year in ten and falls short of 167 one year in ten. On average 117 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 11 days longer, to about April 26, and return around October 12. Severe cold of 16°F or below comes every winter, usually between November 27 and March 3.

July is the warmest month at Kingman, KS, averaging 93°F by day and 68°F at night; January is the coldest at 44°F and 19°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month.

Warmth for growing adds up to 4,245 growing degree days a year (base 50°F), more than at 68% of the 110 Kansas stations. 35% of them (1,505) have built up by the end of June, and July adds the most, 945. Precipitation totals 33.3 inches a year, most in May (4.9") and least in January (0.9"); May to September bring 60% of it.

The nearest other station, Norwich, KS, 18 miles southeast of Kingman, has a last frost 3 days earlier (April 12), a first frost 8 days later (October 29), a season 14 days longer.

The first measurable snow (0.1 inch or more) in Kingman usually arrives around December 3, and the last of the season around March 3. Those are the middle dates across the winters of 1991–2020 at Kingman, KS, 2.1 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 43 days after the last snow.

ZIP 67068 is 2 miles from Kingman, KS, which stands at 1,547 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 67068 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.