Frost Dates for 27320 — Reidsville, North Carolina

Half of springs at Reidsville 2 NW, NC see their last 32°F night by April 5; only one in ten is past it by March 20, and one in ten still has one after April 21. Planting tender crops after April 10 leaves a 30% risk of a frost on them, after April 15 20%, and after April 21 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 35% of the 173 North Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 2 in half of years, as early as October 21 one year in ten, and holds off past November 17 one year in ten. A hard freeze of 28°F follows 11 days later, around November 13; in spring the one-in-ten date for 28°F is April 8, 13 days before the 32°F one. The freeze-free season lasts 213 days in a typical year, shorter than at 57% of the 173 North Carolina stations; it reaches 234 days one year in ten and falls short of 191 one year in ten. On average 76 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 14 days longer, to about April 19, and return around October 24. Severe cold of 16°F or below comes in 91% of winters, usually between January 5 and February 7.

July is the warmest month at Reidsville 2 NW, NC, averaging 88°F by day and 68°F at night; January is the coldest at 48°F and 29°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 63% of years.

Warmth for growing adds up to 4,261 growing degree days a year (base 50°F), fewer than at 69% of the 173 North Carolina stations. 37% of them (1,595) have built up by the end of June, and July adds the most, 852. Precipitation totals 47.9 inches a year, most in September (4.9") and least in February (3.2"); May to September bring 46% of it.

The nearest other station, Eden, NC, 10 miles northwest of Reidsville and 212 feet lower, has a last frost 6 days later (April 11), a first frost 4 days earlier (October 29), a season 12 days shorter.

The first measurable snow (0.1 inch or more) in Reidsville usually arrives around January 18, and the last of the season around February 21. Those are the middle dates across the winters of 1991–2020 at Reidsville 2 NW, NC, 2.7 miles away: half of years saw snow earlier, half later. Snow fell in 80% of those winters. The last 32°F night of spring typically comes 43 days after the last snow.

ZIP 27320 is 3 miles from Reidsville 2 NW, NC, which stands at 890 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 27320 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.