Frost Dates for 24986 — White Sulphur Springs, West Virginia

Half of springs at White Sulphur Springs, WV see their last 32°F night by May 2; only one in ten is past it by April 17, and one in ten still has one after May 19. Planting tender crops after May 10 leaves a 30% risk of a frost on them, after May 14 20%, and after May 19 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 61% of the 84 West Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 13 in half of years, as early as October 1 one year in ten, and holds off past October 29 one year in ten. A hard freeze of 28°F follows 11 days later, around October 24; in spring the one-in-ten date for 28°F is May 9, 10 days before the 32°F one. The freeze-free season lasts 165 days in a typical year, shorter than at 81% of the 84 West Virginia stations; it reaches 187 days one year in ten and falls short of 142 one year in ten. On average 139 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 10 days longer, to about May 12, and return around October 5. Severe cold of 16°F or below comes every winter, usually between November 26 and March 10.

July is the warmest month at White Sulphur Springs, WV, averaging 83°F by day and 60°F at night; January is the coldest at 41°F and 21°F. A freezing night is all but certain in every month from October 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 54% of years.

Warmth for growing adds up to 2,902 growing degree days a year (base 50°F), fewer than at 88% of the 84 West Virginia stations. 34% of them (1,000) have built up by the end of June, and July adds the most, 656. Precipitation totals 41.2 inches a year, most in May (4.5") and least in November (2.6"); May to September bring 47% of it.

The nearest other station, Lewisburg 3 N, WV, 9 miles west of White Sulphur Springs and 381 feet higher, has a last frost 1 day later (May 3), a first frost 4 days earlier (October 9), a season 7 days shorter.

The first measurable snow (0.1 inch or more) in White Sulphur Springs usually arrives around December 12, and the last of the season around March 14. Those are the middle dates across the winters of 1991–2020 at White Sulphur Springs, WV, 6.3 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 49 days after the last snow.

ZIP 24986 is 6 miles from White Sulphur Springs, WV, which stands at 1,919 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 24986 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.