Frost Dates for 26833 — Maysville, West Virginia

Half of springs at Petersburg, WV see their last 32°F night by April 23; only one in ten is past it by April 5, and one in ten still has one after May 13. Planting tender crops after May 1 leaves a 30% risk of a frost on them, after May 6 20%, and after May 13 10%. The 20 days between the even-odds date and the one-in-ten date is wider than at 79% of the 84 West Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 20 in half of years, as early as October 8 one year in ten, and holds off past November 2 one year in ten. A hard freeze of 28°F follows 10 days later, around October 30; in spring the one-in-ten date for 28°F is April 30, 13 days before the 32°F one. The freeze-free season lasts 179 days in a typical year, shorter than at 49% of the 84 West Virginia stations; it reaches 201 days one year in ten and falls short of 155 one year in ten. On average 124 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 May 5, and return around October 10. Severe cold of 16°F or below comes every winter, usually between December 9 and March 3.

July is the warmest month at Petersburg, WV, averaging 89°F by day and 63°F at night; January is the coldest at 44°F and 23°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 32% of years.

Warmth for growing adds up to 3,634 growing degree days a year (base 50°F), more than at 76% of the 84 West Virginia stations. 36% of them (1,306) have built up by the end of June, and July adds the most, 798. Precipitation totals 40.4 inches a year, most in May (4.5") and least in November (2.5"); May to September bring 50% of it.

The nearest other station, Moorefield 1 SSE, WV, 12 miles east of Maysville, has a last frost 6 days later (April 29), a first frost 5 days earlier (October 15), a season 12 days shorter.

The first measurable snow (0.1 inch or more) in Maysville usually arrives around December 9, and the last of the season around March 17. Those are the middle dates across the winters of 1991–2020 at Petersburg, WV, 6.7 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 37 days after the last snow.

ZIP 26833 is 7 miles from Petersburg, WV, which stands at 960 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 26847 (Petersburg). The 2023 USDA Plant Hardiness Zone Map lists ZIP 26833 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.