Frost Dates for 26184 — Waverly, West Virginia

Half of springs at Parkersburg Wood Co Airport, WV see their last 32°F night by April 23; only one in ten is past it by April 7, and one in ten still has one after May 11. Planting tender crops after April 29 leaves a 30% risk of a frost on them, after May 5 20%, and after May 11 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 22 in half of years, as early as October 8 one year in ten, and holds off past November 3 one year in ten. A hard freeze of 28°F follows 10 days later, around November 1; in spring the one-in-ten date for 28°F is April 27, 14 days before the 32°F one. The freeze-free season lasts 180 days in a typical year, longer than at 52% of the 84 West Virginia stations; it reaches 201 days one year in ten and falls short of 157 one year in ten. On average 106 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 9 days longer, to about May 2, and return around October 12. Severe cold of 16°F or below comes every winter, usually between December 8 and March 3.

July is the warmest month at Parkersburg Wood Co Airport, WV, averaging 85°F by day and 64°F at night; January is the coldest at 40°F and 24°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 27% of years.

Warmth for growing adds up to 3,612 growing degree days a year (base 50°F), more than at 75% of the 84 West Virginia stations. 37% of them (1,330) have built up by the end of June, and July adds the most, 766. Precipitation totals 42.7 inches a year, most in July (4.5") and least in November (2.9"); May to September bring 46% of it.

The nearest other station, Marietta Wwtp, OH, 8 miles northwest of Waverly and 221 feet lower, has a last frost 5 days earlier (April 18), a first frost 5 days later (October 27), a season 11 days longer.

The first measurable snow (0.1 inch or more) in Waverly usually arrives around December 19, and the last of the season around March 6. Those are the middle dates across the winters of 1991–2020 at Marietta Wwtp, OH, 7.9 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 26184 is 5 miles from Parkersburg Wood Co Airport, WV, which stands at 831 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 26184 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.