Frost Dates for 38701 — Greenville, Mississippi

Half of springs at Greenville, MS see their last 32°F night by March 13; only one in ten is past it by February 24, and one in ten still has one after March 31. Planting tender crops after March 21 leaves a 30% risk of a frost on them, after March 25 20%, and after March 31 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 53% of the 96 Mississippi stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 15 in half of years, as early as November 2 one year in ten, and holds off past December 1 one year in ten. A hard freeze of 28°F follows 11 days later, around November 26; in spring the one-in-ten date for 28°F is March 19, 12 days before the 32°F one. The freeze-free season lasts 247 days in a typical year, longer than at 69% of the 96 Mississippi stations; it reaches 271 days one year in ten and falls short of 223 one year in ten. On average 41 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 14 days longer, to about March 27, and return around November 5. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 50%.

July is the warmest month at Greenville, MS, averaging 91°F by day and 73°F at night; January is the coldest at 54°F and 34°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 79% of years.

Warmth for growing adds up to 5,830 growing degree days a year (base 50°F), more than at 52% of the 96 Mississippi stations. 40% of them (2,347) have built up by the end of June, and July adds the most, 998.

The nearest other station, Greenville Asos, MS, 8 miles northeast of Greenville, has a last frost 1 day earlier (March 12), a first frost 2 days earlier (November 13).

Measurable snow is rare here: only 5 of 21 winters from 1991 to 2020 recorded 0.1 inch or more at Greenville, MS, 1.5 miles away, so there is no typical first-snow date to plan around.

ZIP 38701 is 2 miles from Greenville, MS, which stands at 125 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 38701 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.