Frost Dates for 30731 — Menlo, Georgia

Half of springs at Valley Head, AL see their last 32°F night by April 8; only one in ten is past it by March 22, and one in ten still has one after April 24. Planting tender crops after April 15 leaves a 30% risk of a frost on them, after April 19 20%, and after April 24 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 70% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 29 in half of years, as early as October 17 one year in ten, and holds off past November 11 one year in ten. A hard freeze of 28°F follows 10 days later, around November 8; in spring the one-in-ten date for 28°F is April 13, 11 days before the 32°F one. The freeze-free season lasts 202 days in a typical year, shorter than at 93% of the 127 Georgia stations; it reaches 226 days one year in ten and falls short of 180 one year in ten. On average 85 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 April 21, and return around October 21. Severe cold of 16°F or below comes in 93% of winters, usually between December 30 and February 7.

July is the warmest month at Valley Head, AL, averaging 86°F by day and 67°F at night; January is the coldest at 49°F and 30°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 74% of years.

Warmth for growing adds up to 4,366 growing degree days a year (base 50°F), fewer than at 91% of the 127 Georgia stations. 38% of them (1,644) have built up by the end of June, and July adds the most, 831. Precipitation totals 57.9 inches a year, most in December (5.7") and least in August (3.3"); May to September bring 39% of it.

The nearest other station, Valley Head 1 SSW, AL, 8 miles west of Menlo, has a last frost 1 day earlier (April 7), a first frost 1 day later (October 30), a season 2 days longer.

The first measurable snow (0.1 inch or more) in Menlo usually arrives around January 18, and the last of the season around February 13. Those are the middle dates across the winters of 1991–2020 at Valley Head, AL, 7.3 miles away: half of years saw snow earlier, half later. Snow fell in 91% of those winters. The last 32°F night of spring typically comes 54 days after the last snow.

ZIP 30731 is 7 miles from Valley Head, AL, which stands at 1,121 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 30731 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.