Frost Dates for 26711 — Capon Bridge, West Virginia

Half of springs at Wardensville R M Farm, WV see their last 32°F night by May 6; only one in ten is past it by April 21, and one in ten still has one after May 22. Planting tender crops after May 12 leaves a 30% risk of a frost on them, after May 17 20%, and after May 22 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 81% of the 84 West Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 12 in half of years, as early as September 29 one year in ten, and holds off past October 24 one year in ten. A hard freeze of 28°F follows 11 days later, around October 23; in spring the one-in-ten date for 28°F is May 11, 11 days before the 32°F one. The freeze-free season lasts 159 days in a typical year, shorter than at 88% of the 84 West Virginia stations; it reaches 178 days one year in ten and falls short of 136 one year in ten. On average 141 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 16, and return around October 2. Severe cold of 16°F or below comes every winter, usually between November 29 and March 12.

July is the warmest month at Wardensville R M Farm, WV, averaging 86°F by day and 59°F at night; January is the coldest at 42°F and 20°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 65% of years.

Warmth for growing adds up to 2,964 growing degree days a year (base 50°F), fewer than at 83% of the 84 West Virginia stations. 34% of them (1,004) have built up by the end of June, and July adds the most, 696. Precipitation totals 37.4 inches a year, most in May (3.9") and least in February (2.0"); May to September bring 50% of it.

The nearest other station, Star Tannery, VA, 14 miles south of Capon Bridge, has a last frost 10 days earlier (April 26), a first frost 5 days later (October 17), a season 13 days longer.

The first measurable snow (0.1 inch or more) in Capon Bridge usually arrives around December 14, and the last of the season around March 5. Those are the middle dates across the winters of 1991–2020 at Wardensville R M Farm, WV, 14.2 miles away: half of years saw snow earlier, half later. Snow fell in 95% of those winters. The last 32°F night of spring typically comes 62 days after the last snow.

ZIP 26711 is 14 miles from Wardensville R M Farm, WV, which stands at 960 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 26711 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.