Frost Dates for 32331 — Greenville, Florida

Half of springs at Monticello 5 SE, FL see their last 32°F night by March 7; only one in ten is past it by February 9, and one in ten still has one after March 25. Planting tender crops after March 15 leaves a 30% risk of a frost on them, after March 19 20%, and after March 25 10%. The 18 days between the even-odds date and the one-in-ten date is the narrowest of the 101 Florida stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 23 in half of years, as early as November 3 one year in ten, and holds off past December 22 one year in ten. A hard freeze of 28°F follows 18 days later, around December 11; in spring the one-in-ten date for 28°F is March 16, 9 days before the 32°F one. The freeze-free season lasts 262 days in a typical year, shorter than at 85% of the 102 Florida stations; it reaches 294 days one year in ten and falls short of 233 one year in ten. On average 26 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 21, and return around November 11. Nights of 24°F, cold enough to damage hardier plants, come in 86% of winters and 16°F in 17%.

July is the warmest month at Monticello 5 SE, FL, averaging 91°F by day and 71°F at night; January is the coldest at 63°F and 40°F. A freezing night is all but certain in January (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 87% of years and March still brings one in 66% of years.

Warmth for growing adds up to 6,533 growing degree days a year (base 50°F), fewer than at 96% of the 158 Florida stations. 42% of them (2,757) have built up by the end of June, and July adds the most, 956. Precipitation totals 59.9 inches a year, most in June (7.6") and least in November (2.8"); May to September bring 53% of it.

The nearest other station, Madison, FL, 15 miles east of Greenville, has a last frost 2 days earlier (March 5), a first frost 6 days later (November 29), a season 11 days longer.

Measurable snow is rare here: only 0 of 19 winters from 1991 to 2020 recorded 0.1 inch or more at Madison, FL, 14.9 miles away, so there is no typical first-snow date to plan around.

ZIP 32331 is 9 miles from Monticello 5 SE, FL, which stands at 98 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 32344 (Monticello). The 2023 USDA Plant Hardiness Zone Map lists ZIP 32331 in zone 9a, the band where the coldest night of the year averaged 20 to 25°F (-6.7 to -3.9°C) over 1991–2020; a zone describes winter lows, not frost dates.