Frost Dates for 38829 — Booneville, Mississippi

Half of springs at Booneville, MS see their last 32°F night by April 1; only one in ten is past it by March 15, and one in ten still has one after April 16. Planting tender crops after April 7 leaves a 30% risk of a frost on them, after April 11 20%, and after April 16 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 94% of the 96 Mississippi stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 3 in half of years, as early as October 21 one year in ten, and holds off past November 18 one year in ten. A hard freeze of 28°F follows 10 days later, around November 13; in spring the one-in-ten date for 28°F is April 6, 10 days before the 32°F one. The freeze-free season lasts 216 days in a typical year, shorter than at 91% of the 96 Mississippi stations; it reaches 239 days one year in ten and falls short of 196 one year in ten. On average 68 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 12, and return around October 25. Severe cold of 16°F or below comes in 93% of winters, usually between January 1 and February 2.

July is the warmest month at Booneville, MS, averaging 89°F by day and 69°F at night; January is the coldest at 50°F and 29°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 52% of years.

Warmth for growing adds up to 4,786 growing degree days a year (base 50°F), fewer than at 97% of the 96 Mississippi stations. 39% of them (1,845) have built up by the end of June, and July adds the most, 890. Precipitation totals 60.5 inches a year, most in December (6.3") and least in October (4.0"); May to September bring 40% of it.

The nearest other station, Corinth 7 SW, MS, 16 miles north of Booneville, has a last frost 1 day later (April 2), a first frost 2 days earlier (November 1), a season 3 days shorter.

Measurable snow is rare here: only 7 of 22 winters from 1991 to 2020 recorded 0.1 inch or more at Baldwyn, MS, 13.1 miles away, so there is no typical first-snow date to plan around.

ZIP 38829 is 2 miles from Booneville, MS, which stands at 490 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 38829 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.