Frost Dates for 38858 — Nettleton, Mississippi

Half of springs at Verona Exp Stn, MS see their last 32°F night by March 21; only one in ten is past it by March 1, and one in ten still has one after April 6. Planting tender crops after March 29 leaves a 30% risk of a frost on them, after April 2 20%, and after April 6 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 86% of the 96 Mississippi stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 9 in half of years, as early as October 27 one year in ten, and holds off past November 29 one year in ten. A hard freeze of 28°F follows 14 days later, around November 23; in spring the one-in-ten date for 28°F is March 27, 10 days before the 32°F one. The freeze-free season lasts 233 days in a typical year, shorter than at 63% of the 96 Mississippi stations; it reaches 258 days one year in ten and falls short of 210 one year in ten. On average 62 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 3, and return around October 30. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 63%.

July is the warmest month at Verona Exp Stn, MS, averaging 92°F by day and 72°F at night; January is the coldest at 53°F and 33°F. A freezing night is all but certain in every month from November to February (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 88% of years and April still brings one in 24% of years.

Warmth for growing adds up to 5,654 growing degree days a year (base 50°F), fewer than at 64% of the 96 Mississippi stations. 40% of them (2,256) have built up by the end of June, and July adds the most, 995. Precipitation totals 59.3 inches a year, most in December (6.1") and least in September (3.8"); May to September bring 38% of it.

The nearest other station, Fulton 3 W, MS, 14 miles northeast of Nettleton, has a last frost 11 days later (April 1), a first frost 9 days earlier (October 31), a season 21 days shorter.

Measurable snow is rare here: only 1 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Verona Exp Stn, MS, 9.6 miles away, so there is no typical first-snow date to plan around.

ZIP 38858 is 10 miles from Verona Exp Stn, MS, which stands at 325 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 38860 (Okolona). The 2023 USDA Plant Hardiness Zone Map lists ZIP 38858 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.