Frost Dates for 39332 — Hickory, Mississippi

Half of springs at Newton 5 ENE, MS see their last 32°F night by March 24; only one in ten is past it by March 1, and one in ten still has one after April 10. Planting tender crops after April 1 leaves a 30% risk of a frost on them, after April 5 20%, and after April 10 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 71% of the 96 Mississippi stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 5 in half of years, as early as October 23 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 13 days later, around November 18; in spring the one-in-ten date for 28°F is March 27, 14 days before the 32°F one. The freeze-free season lasts 228 days in a typical year, shorter than at 72% of the 96 Mississippi stations; it reaches 254 days one year in ten and falls short of 203 one year in ten. On average 56 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 6, and return around October 27. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 55%.

July is the warmest month at Newton 5 ENE, MS, averaging 90°F by day and 69°F at night; January is the coldest at 57°F and 34°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 87% of years and April still brings one in 32% of years.

Warmth for growing adds up to 5,469 growing degree days a year (base 50°F), fewer than at 71% of the 96 Mississippi stations. 41% of them (2,235) have built up by the end of June, and July adds the most, 914. Precipitation totals 58.2 inches a year, most in April (6.2") and least in September (3.2"); May to September bring 37% of it.

The nearest other station, Newton Exp Stn, MS, 4 miles west of Hickory, has a last frost 1 day later (March 25), a first frost 3 days earlier (November 2), a season 6 days shorter.

Measurable snow is rare here: only 7 of 28 winters from 1991 to 2020 recorded 0.1 inch or more at Newton Exp Stn, MS, 4.2 miles away, so there is no typical first-snow date to plan around.

ZIP 39332 is 4 miles from Newton 5 ENE, MS, which stands at 374 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 39332 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.