Frost Dates for 71263 — Oak Grove, Louisiana

Half of springs at Lake Providence, LA see their last 32°F night by March 5; only one in ten is past it by February 13, and one in ten still has one after March 22. Planting tender crops after March 12 leaves a 30% risk of a frost on them, after March 16 20%, and after March 22 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 93% of the 88 Louisiana stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 24 in half of years, as early as November 6 one year in ten, and holds off past December 12 one year in ten. A hard freeze of 28°F follows 13 days later, around December 7; in spring the one-in-ten date for 28°F is March 11, 11 days before the 32°F one. The freeze-free season lasts 263 days in a typical year, shorter than at 58% of the 88 Louisiana stations; it reaches 295 days one year in ten and falls short of 240 one year in ten. On average 34 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 11 days longer, to about March 16, and return around November 12. Nights of 24°F, cold enough to damage hardier plants, come in 89% of winters and 16°F in 21%.

July is the warmest month at Lake Providence, LA, averaging 91°F by day and 73°F at night; January is the coldest at 54°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 63% of years.

Warmth for growing adds up to 5,987 growing degree days a year (base 50°F), fewer than at 89% of the 88 Louisiana stations. 40% of them (2,413) have built up by the end of June, and July adds the most, 1,001. Precipitation totals 58.8 inches a year, most in April (6.6") and least in September (3.3"); May to September bring 35% of it.

The nearest other station, Eudora, AR, 18 miles northeast of Oak Grove, has a last frost 8 days later (March 13), a first frost 10 days earlier (November 14), a season 19 days shorter.

Measurable snow is rare here: only 6 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Oak Grove, LA, 2.4 miles away, so there is no typical first-snow date to plan around.

ZIP 71263 is 15 miles from Lake Providence, LA, which stands at 100 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 71254 (Lake Providence). The 2023 USDA Plant Hardiness Zone Map lists ZIP 71263 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.