Frost Dates for 27893 — Wilson, North Carolina

Half of springs at Wilson 3 SW, NC see their last 32°F night by March 22; only one in ten is past it by March 3, and one in ten still has one after April 8. Planting tender crops after March 30 leaves a 30% risk of a frost on them, after April 2 20%, and after April 8 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 November 12 in half of years, as early as November 1 one year in ten, and holds off past December 1 one year in ten. A hard freeze of 28°F follows 14 days later, around November 26; in spring the one-in-ten date for 28°F is March 27, 12 days before the 32°F one. The freeze-free season lasts 236 days in a typical year, longer than at 88% of the 173 North Carolina stations; it reaches 263 days one year in ten and falls short of 213 one year in ten. On average 60 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 12 days longer, to about April 3, and return around November 2. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 56%.

July is the warmest month at Wilson 3 SW, NC, averaging 90°F by day and 71°F at night; January is the coldest at 52°F and 33°F. A freezing night is all but certain in every month from December to March (a 90% chance or more). From May to October the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 23% of years.

Warmth for growing adds up to 5,108 growing degree days a year (base 50°F), more than at 76% of the 173 North Carolina stations. 38% of them (1,966) have built up by the end of June, and July adds the most, 950. Precipitation totals 50.4 inches a year, most in September (6.1") and least in February (3.0"); May to September bring 50% of it.

The nearest other station, Rocky Mt Wilson Airport, NC, 10 miles north of Wilson, has a last frost 10 days later (April 1), a first frost 7 days earlier (November 5), a season 17 days shorter.

Measurable snow is rare here: only 4 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Rocky Mt, NC, 17.3 miles away, so there is no typical first-snow date to plan around.

ZIP 27893 is 2 miles from Wilson 3 SW, NC, which stands at 110 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 6 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 27893 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.