Frost Dates for 28739 — Hendersonville, North Carolina

Half of springs at Hendersonville 1 NE, NC see their last 32°F night by April 14; only one in ten is past it by March 31, and one in ten still has one after May 1. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 24 20%, and after May 1 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 65% of the 173 North Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 25 in half of years, as early as October 12 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 9 days later, around November 3; in spring the one-in-ten date for 28°F is April 16, 15 days before the 32°F one. The freeze-free season lasts 192 days in a typical year, shorter than at 80% of the 173 North Carolina stations; it reaches 213 days one year in ten and falls short of 171 one year in ten. On average 88 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 27, and return around October 15. Severe cold of 16°F or below comes in 99% of winters, usually between December 19 and February 14.

July is the warmest month at Hendersonville 1 NE, NC, averaging 85°F by day and 64°F at night; January is the coldest at 48°F and 27°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 88% of years and May still brings one in 10% of years.

Warmth for growing adds up to 3,612 growing degree days a year (base 50°F), fewer than at 84% of the 173 North Carolina stations. 37% of them (1,342) have built up by the end of June, and July adds the most, 750. Precipitation totals 59.3 inches a year, most in July (5.8") and least in October (4.1"); May to September bring 44% of it.

The nearest other station, Pisgah Forest 3 NE, NC, 8 miles west of Hendersonville, has a last frost 5 days later (April 19), a first frost 2 days earlier (October 23), a season 6 days shorter.

The first measurable snow (0.1 inch or more) in Hendersonville usually arrives around January 5, and the last of the season around February 20. Those are the middle dates across the winters of 1991–2020 at Hendersonville 1 NE, NC, 4.2 miles away: half of years saw snow earlier, half later. Snow fell in 83% of those winters. The last 32°F night of spring typically comes 53 days after the last snow.

ZIP 28739 is 4 miles from Hendersonville 1 NE, NC, which stands at 2,160 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 5 other ZIP codes share the station; its figures are presented in full for 28792 (Hendersonville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 28739 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.