Frost Dates for 71295 — Winnsboro, Louisiana

Half of springs at Winnsboro 2 SE, LA see their last 32°F night by March 7; only one in ten is past it by February 17, and one in ten still has one after March 26. Planting tender crops after March 14 leaves a 30% risk of a frost on them, after March 18 20%, and after March 26 10%. The 19 days between the even-odds date and the one-in-ten date is narrower than at 78% of the 88 Louisiana stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 13 in half of years, as early as November 1 one year in ten, and holds off past December 3 one year in ten. A hard freeze of 28°F follows 14 days later, around November 27; in spring the one-in-ten date for 28°F is March 13, 13 days before the 32°F one. The freeze-free season lasts 252 days in a typical year, shorter than at 76% of the 88 Louisiana stations; it reaches 281 days one year in ten and falls short of 229 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 13 days longer, to about March 20, and return around November 4. Nights of 24°F, cold enough to damage hardier plants, come in 95% of winters and 16°F in 26%.

July is the warmest month at Winnsboro 2 SE, LA, averaging 94°F by day and 72°F at night; January is the coldest at 58°F and 36°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 67% of years.

Warmth for growing adds up to 6,367 growing degree days a year (base 50°F), fewer than at 65% of the 88 Louisiana stations. 41% of them (2,634) have built up by the end of June, and July adds the most, 1,024.

The nearest other station, Winnsboro 5 SSE, LA, 4 miles south of Winnsboro, has a last frost 3 days later (March 10), a first frost 3 days later (November 16), a season 2 days shorter.

Measurable snow is rare here: only 3 of 28 winters from 1991 to 2020 recorded 0.1 inch or more at Winnsboro 5 SSE, LA, 4.2 miles away, so there is no typical first-snow date to plan around.

ZIP 71295 is 2 miles from Winnsboro 2 SE, LA, which stands at 74 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 71295 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.