Frost Dates for 70544 — Jeanerette, Louisiana

Half of springs at Jeanerette 5 NW, LA see their last 32°F night by February 15; only one in ten is past it by January 17, and one in ten still has one after March 13. Planting tender crops after February 28 leaves a 30% risk of a frost on them, after March 6 20%, and after March 13 10%. The 26 days between the even-odds date and the one-in-ten date is wider than at 76% of the 88 Louisiana stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by December 3 in half of years, as early as November 11 one year in ten, and holds off past January 4 one year in ten. A hard freeze of 28°F follows 21 days later, around December 24; in spring the one-in-ten date for 28°F is March 1, 12 days before the 32°F one. The freeze-free season lasts 294 days in a typical year, longer than at 75% of the 88 Louisiana stations; it reaches 333 days one year in ten and falls short of 259 one year in ten. On average 14 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 17 days longer, to about March 4, and return around November 19. A 24°F night is unusual: 49% of winters had one.

July is the warmest month at Jeanerette 5 NW, LA, averaging 90°F by day and 73°F at night; January is the coldest at 61°F and 42°F. From April to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 60% of years and March still brings one in 28% of years.

Warmth for growing adds up to 6,733 growing degree days a year (base 50°F), more than at 60% of the 88 Louisiana stations. 43% of them (2,875) have built up by the end of June, and July adds the most, 975. Precipitation totals 65.6 inches a year, most in July (7.9") and least in March (3.9"); May to September bring 52% of it.

The nearest other station, Franklin 3 NW, LA, 10 miles southeast of Jeanerette, has a last frost 4 days earlier (February 11), a first frost 5 days later (December 8), a season 9 days longer.

Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Jeanerette 5 NW, LA, 4.2 miles away, so there is no typical first-snow date to plan around.

ZIP 70544 is 4 miles from Jeanerette 5 NW, LA, which stands at 20 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 70544 in zone 9b, the band where the coldest night of the year averaged 25 to 30°F (-3.9 to -1.1°C) over 1991–2020; a zone describes winter lows, not frost dates.