Frost Dates for 31548 — Kingsland, Georgia

Half of springs at Woodbine, GA see their last 32°F night by March 14; only one in ten is past it by February 17, and one in ten still has one after April 6. Planting tender crops after March 22 leaves a 30% risk of a frost on them, after March 30 20%, and after April 6 10%. The 23 days between the even-odds date and the one-in-ten date is wider than at 92% of the 127 Georgia 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 November 25 in half of years, as early as November 5 one year in ten, and holds off past December 20 one year in ten. A hard freeze of 28°F follows 17 days later, around December 12; in spring the one-in-ten date for 28°F is March 22, 15 days before the 32°F one. The freeze-free season lasts 257 days in a typical year, longer than at 82% of the 127 Georgia stations; it reaches 294 days one year in ten and falls short of 227 one year in ten. On average 30 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 16 days longer, to about March 30, and return around November 13. Nights of 24°F, cold enough to damage hardier plants, come in 90% of winters and 16°F in 21%.

July is the warmest month at Woodbine, GA, averaging 91°F by day and 71°F at night; January is the coldest at 63°F and 38°F. A freezing night is all but certain in January (a 90% chance or more). From May to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 90% of years and March still brings one in 68% of years and April still brings one in 18% of years.

Warmth for growing adds up to 6,292 growing degree days a year (base 50°F), more than at 80% of the 127 Georgia stations. 41% of them (2,590) have built up by the end of June, and July adds the most, 958. Precipitation totals 54.5 inches a year, most in August (7.8") and least in November (2.3"); May to September bring 55% of it.

The nearest other station, Brunswick 23 S, GA, 13 miles east of Kingsland, has a last frost 23 days earlier (February 19), a first frost 19 days later (December 14), a season 42 days longer.

Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Fernandina Beach, FL, 16.3 miles away, so there is no typical first-snow date to plan around.

ZIP 31548 is 12 miles from Woodbine, GA, which stands at 16 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 31548 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.