Frost Dates for 31321 — Pembroke, Georgia

Half of springs at Brooklet 1 W, GA see their last 32°F night by March 7; only one in ten is past it by February 11, and one in ten still has one after March 27. Planting tender crops after March 16 leaves a 30% risk of a frost on them, after March 20 20%, and after March 27 10%. The 20 days between the even-odds date and the one-in-ten date is wider than at 70% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 21 in half of years, as early as November 5 one year in ten, and holds off past December 15 one year in ten. A hard freeze of 28°F follows 17 days later, around December 8; in spring the one-in-ten date for 28°F is March 17, 10 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 288 days one year in ten and falls short of 231 one year in ten. On average 28 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 15 days longer, to about March 22, and return around November 9. Nights of 24°F, cold enough to damage hardier plants, come in 90% of winters and 16°F in 15%.

July is the warmest month at Brooklet 1 W, GA, averaging 93°F by day and 72°F at night; January is the coldest at 61°F and 38°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 65% of years.

Warmth for growing adds up to 6,322 growing degree days a year (base 50°F), more than at 83% of the 127 Georgia stations. 42% of them (2,628) have built up by the end of June, and July adds the most, 998. Precipitation totals 47.1 inches a year, most in August (6.3") and least in October (2.6"); May to September bring 51% of it.

The nearest other station, Fort Stewart, GA, 20 miles south of Pembroke, has a last frost 2 days earlier (March 5), a first frost 8 days later (November 29), a season 12 days longer.

Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Brooklet 1 W, GA, 14.9 miles away, so there is no typical first-snow date to plan around.

ZIP 31321 is 15 miles from Brooklet 1 W, GA, which stands at 180 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 30458 (Statesboro). The 2023 USDA Plant Hardiness Zone Map lists ZIP 31321 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.