Frost Dates for 67003 — Anthony, Kansas

Half of springs at Anthony, KS see their last 32°F night by April 9; only one in ten is past it by March 26, and one in ten still has one after April 23. Planting tender crops after April 15 leaves a 30% risk of a frost on them, after April 19 20%, and after April 23 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 30 in half of years, as early as October 17 one year in ten, and holds off past November 12 one year in ten. A hard freeze of 28°F follows 8 days later, around November 7; in spring the one-in-ten date for 28°F is April 15, 8 days before the 32°F one. The freeze-free season lasts 205 days in a typical year, longer than at 94% of the 110 Kansas stations; it reaches 224 days one year in ten and falls short of 185 one year in ten. On average 101 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 20, and return around October 22. Severe cold of 16°F or below comes every winter, usually between December 8 and February 26.

July is the warmest month at Anthony, KS, averaging 93°F by day and 70°F at night; January is the coldest at 45°F and 22°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 79% of years.

Warmth for growing adds up to 4,533 growing degree days a year (base 50°F), more than at 94% of the 110 Kansas stations. 36% of them (1,629) have built up by the end of June, and July adds the most, 973. Precipitation totals 33.2 inches a year, most in June (5.0") and least in January (1.0"); May to September bring 58% of it.

The nearest other station, Norwich, KS, 24 miles northeast of Anthony and 161 feet higher, has a last frost 3 days later (April 12), a first frost 1 day earlier (October 29), a season 4 days shorter.

The first measurable snow (0.1 inch or more) in Anthony usually arrives around December 6, and the last of the season around March 7. Those are the middle dates across the winters of 1991–2020 at Anthony, KS, 0.9 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 33 days after the last snow.

ZIP 67003 is under a mile from Anthony, KS, which stands at 1,340 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 67003 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.