Frost Dates for 26757 — Romney, West Virginia

Half of springs at Romney 1 SW, WV see their last 32°F night by April 26; only one in ten is past it by April 12, and one in ten still has one after May 14. Planting tender crops after May 4 leaves a 30% risk of a frost on them, after May 9 20%, and after May 14 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 40% of the 84 West Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 18 in half of years, as early as October 5 one year in ten, and holds off past November 1 one year in ten. A hard freeze of 28°F follows 12 days later, around October 30; in spring the one-in-ten date for 28°F is May 1, 13 days before the 32°F one. The freeze-free season lasts 172 days in a typical year, shorter than at 70% of the 84 West Virginia stations; it reaches 194 days one year in ten and falls short of 149 one year in ten. On average 133 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 8, and return around October 8. Severe cold of 16°F or below comes every winter, usually between December 2 and March 6.

July is the warmest month at Romney 1 SW, WV, averaging 86°F by day and 61°F at night; January is the coldest at 40°F and 21°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 37% of years.

Warmth for growing adds up to 3,258 growing degree days a year (base 50°F), fewer than at 52% of the 84 West Virginia stations. 35% of them (1,148) have built up by the end of June, and July adds the most, 738. Precipitation totals 38.2 inches a year, most in July (4.7") and least in February (2.2"); May to September bring 51% of it.

The nearest other station, Keyser 2 SSW, WV, 15 miles northwest of Romney and 245 feet higher, has a last frost 4 days later (April 30), a first frost 3 days earlier (October 15), a season 5 days shorter.

The first measurable snow (0.1 inch or more) in Romney usually arrives around December 9, and the last of the season around March 9. Those are the middle dates across the winters of 1991–2020 at Romney 1 SW, WV, 1.7 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 48 days after the last snow.

ZIP 26757 is 2 miles from Romney 1 SW, WV, which stands at 720 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 26757 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.