Frost Dates for 38738 — Parchman, Mississippi

Half of springs at Cleveland 3 N, MS see their last 32°F night by March 15; only one in ten is past it by February 24, and one in ten still has one after April 3. Planting tender crops after March 23 leaves a 30% risk of a frost on them, after March 28 20%, and after April 3 10%. The 19 days between the even-odds date and the one-in-ten date is narrower than at 38% of the 96 Mississippi stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 11 in half of years, as early as October 28 one year in ten, and holds off past December 2 one year in ten. A hard freeze of 28°F follows 14 days later, around November 25; in spring the one-in-ten date for 28°F is March 22, 12 days before the 32°F one. The freeze-free season lasts 241 days in a typical year, longer than at 52% of the 96 Mississippi stations; it reaches 266 days one year in ten and falls short of 217 one year in ten. On average 51 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 15 days longer, to about March 30, and return around November 1. Nights of 24°F, cold enough to damage hardier plants, come in 98% of winters and 16°F in 49%.

July is the warmest month at Cleveland 3 N, MS, averaging 92°F by day and 72°F at night; January is the coldest at 52°F and 33°F. A freezing night is all but certain in every month from December 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 79% of years and April still brings one in 14% of years.

Warmth for growing adds up to 5,632 growing degree days a year (base 50°F), fewer than at 66% of the 96 Mississippi stations. 40% of them (2,267) have built up by the end of June, and July adds the most, 987. Precipitation totals 54.2 inches a year, most in February (5.4") and least in July (3.1"); May to September bring 36% of it.

The nearest other station, Cleveland, MS, 17 miles southwest of Parchman, has a last frost 1 day earlier (March 14), a first frost 4 days later (November 15), a season 7 days longer.

Measurable snow is rare here: only 1 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Cleveland 3 N, MS, 13.1 miles away, so there is no typical first-snow date to plan around.

ZIP 38738 is 13 miles from Cleveland 3 N, MS, which stands at 140 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 38737 (Drew). The 2023 USDA Plant Hardiness Zone Map lists ZIP 38738 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.