Frost Dates for 37352 — Lynchburg, Tennessee

Half of springs at Lynchburg, TN see their last 32°F night by April 15; only one in ten is past it by March 29, and one in ten still has one after April 30. Planting tender crops after April 22 leaves a 30% risk of a frost on them, after April 26 20%, and after April 30 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 78% of the 144 Tennessee stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 25 in half of years, as early as October 12 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 8 days later, around November 2; in spring the one-in-ten date for 28°F is April 18, 12 days before the 32°F one. The freeze-free season lasts 192 days in a typical year, shorter than at 77% of the 144 Tennessee stations; it reaches 214 days one year in ten and falls short of 172 one year in ten. On average 97 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 April 27, and return around October 16. Severe cold of 16°F or below comes in 99% of winters, usually between December 16 and February 22.

July is the warmest month at Lynchburg, TN, averaging 89°F by day and 66°F at night; January is the coldest at 49°F and 27°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 85% of years.

Warmth for growing adds up to 4,341 growing degree days a year (base 50°F), fewer than at 62% of the 144 Tennessee stations. 38% of them (1,640) have built up by the end of June, and July adds the most, 857. Precipitation totals 62.4 inches a year, most in December (6.8") and least in October (3.6"); May to September bring 40% of it.

The nearest other station, Tullahoma, TN, 9 miles northeast of Lynchburg and 212 feet higher, has a last frost 9 days earlier (April 6), a first frost 5 days later (October 30), a season 15 days longer.

The first measurable snow (0.1 inch or more) in Lynchburg usually arrives around January 13, and the last of the season around February 12. Those are the middle dates across the winters of 1991–2020 at Tullahoma, TN, 9.4 miles away: half of years saw snow earlier, half later. Snow fell in 89% of those winters. The last 32°F night of spring typically comes 62 days after the last snow.

ZIP 37352 is 2 miles from Lynchburg, TN, which stands at 810 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37352 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.