Frost Dates for 28560 — New Bern, North Carolina

Half of springs at New Bern Craven Co Airport, NC see their last 32°F night by March 23; only one in ten is past it by March 6, and one in ten still has one after April 7. Planting tender crops after March 30 leaves a 30% risk of a frost on them, after April 2 20%, and after April 7 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 57% of the 173 North Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 15 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 13 days later, around November 28; in spring the one-in-ten date for 28°F is March 28, 10 days before the 32°F one. The freeze-free season lasts 237 days in a typical year, longer than at 90% of the 173 North Carolina stations; it reaches 263 days one year in ten and falls short of 216 one year in ten. On average 47 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 4, and return around November 3. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 56%.

July is the warmest month at New Bern Craven Co Airport, NC, averaging 90°F by day and 71°F at night; January is the coldest at 55°F and 34°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 26% of years.

Warmth for growing adds up to 5,349 growing degree days a year (base 50°F), more than at 88% of the 173 North Carolina stations. 39% of them (2,076) have built up by the end of June, and July adds the most, 942. Precipitation totals 53.1 inches a year, most in August (6.8") and least in April (3.2"); May to September bring 53% of it.

The nearest other station, Perrytown, NC, 6 miles southwest of New Bern, has a last frost 3 days earlier (March 20), a first frost 5 days later (November 20), a season 9 days longer.

Measurable snow is rare here: only 4 of 22 winters from 1991 to 2020 recorded 0.1 inch or more at Bayboro 3 SW, NC, 11.3 miles away, so there is no typical first-snow date to plan around.

ZIP 28560 is 4 miles from New Bern Craven Co Airport, NC, which stands at 19 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 28560 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.