Frost Dates for 23924 — Chase City, Virginia

Half of springs at Chase City, VA see their last 32°F night by April 6; only one in ten is past it by March 21, and one in ten still has one after April 21. Planting tender crops after April 12 leaves a 30% risk of a frost on them, after April 16 20%, and after April 21 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 70% of the 128 Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 1 in half of years, as early as October 19 one year in ten, and holds off past November 16 one year in ten. A hard freeze of 28°F follows 10 days later, around November 11; in spring the one-in-ten date for 28°F is April 8, 13 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, longer than at 75% of the 128 Virginia stations; it reaches 229 days one year in ten and falls short of 189 one year in ten. On average 94 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 14 days longer, to about April 20, and return around October 24. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 88%.

July is the warmest month at Chase City, VA, averaging 89°F by day and 68°F at night; January is the coldest at 49°F and 29°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 66% of years.

Warmth for growing adds up to 4,354 growing degree days a year (base 50°F), more than at 77% of the 128 Virginia stations. 37% of them (1,626) have built up by the end of June, and July adds the most, 879. Precipitation totals 46.7 inches a year, most in September (4.7") and least in November (3.2"); May to September bring 46% of it.

The nearest other station, Clarksville, VA, 14 miles south of Chase City and 180 feet lower, has a last frost 6 days earlier (March 31), a first frost 4 days later (November 5), a season 11 days longer.

The first measurable snow (0.1 inch or more) in Chase City usually arrives around January 15, and the last of the season around February 14. Those are the middle dates across the winters of 1991–2020 at Chase City, VA, 2.2 miles away: half of years saw snow earlier, half later. Snow fell in 90% of those winters. The last 32°F night of spring typically comes 51 days after the last snow.

ZIP 23924 is 2 miles from Chase City, VA, which stands at 510 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 23924 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.