Frost Dates for 65769 — Verona, Missouri

Half of springs at Mt Vernon Univ Mo - SW Ctr, MO see their last 32°F night by April 14; only one in ten is past it by March 29, and one in ten still has one after May 1. Planting tender crops after April 22 leaves a 30% risk of a frost on them, after April 26 20%, and after May 1 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 66% of the 158 Missouri 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 6 one year in ten, and holds off past November 2 one year in ten. A hard freeze of 28°F follows 9 days later, around October 30; in spring the one-in-ten date for 28°F is April 20, 11 days before the 32°F one. The freeze-free season lasts 188 days in a typical year, shorter than at 70% of the 158 Missouri stations; it reaches 211 days one year in ten and falls short of 165 one year in ten. On average 111 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 13 days longer, to about April 27, and return around October 10. Severe cold of 16°F or below comes every winter, usually between December 1 and March 1.

July is the warmest month at Mt Vernon Univ Mo - SW Ctr, MO, averaging 89°F by day and 67°F at night; January is the coldest at 44°F and 22°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 82% of years and May still brings one in 13% of years.

Warmth for growing adds up to 4,209 growing degree days a year (base 50°F), more than at 70% of the 158 Missouri stations. 37% of them (1,546) have built up by the end of June, and July adds the most, 876. Precipitation totals 45.6 inches a year, most in May (5.9") and least in February (2.3"); May to September bring 50% of it.

The nearest other station, Monett 4SW, MO, 11 miles southwest of Verona and 230 feet higher, has a last frost 5 days earlier (April 9), a first frost 5 days later (October 26), a season 11 days longer.

The first measurable snow (0.1 inch or more) in Verona usually arrives around December 29, and the last of the season around February 15. Those are the middle dates across the winters of 1991–2020 at Mt Vernon Univ Mo - SW Ctr, MO, 10.9 miles away: half of years saw snow earlier, half later. Snow fell in 95% of those winters. The last 32°F night of spring typically comes 58 days after the last snow.

ZIP 65769 is 11 miles from Mt Vernon Univ Mo - SW Ctr, MO, which stands at 1,190 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 65712 (Mount Vernon). The 2023 USDA Plant Hardiness Zone Map lists ZIP 65769 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.