Frost Dates for 37329 — Englewood, Tennessee

Half of springs at Athens, TN see their last 32°F night by April 6; only one in ten is past it by March 20, and one in ten still has one after April 24. Planting tender crops after April 14 leaves a 30% risk of a frost on them, after April 18 20%, and after April 24 10%. The 18 days between the even-odds date and the one-in-ten date is wider than at 67% of the 144 Tennessee stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 31 in half of years, as early as October 20 one year in ten, and holds off past November 13 one year in ten. A hard freeze of 28°F follows 10 days later, around November 10; in spring the one-in-ten date for 28°F is April 10, 14 days before the 32°F one. The freeze-free season lasts 208 days in a typical year, longer than at 61% of the 144 Tennessee stations; it reaches 228 days one year in ten and falls short of 187 one year in ten. On average 85 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 23. Severe cold of 16°F or below comes in 95% of winters, usually between December 31 and February 6.

July is the warmest month at Athens, TN, averaging 88°F by day and 68°F at night; January is the coldest at 49°F and 28°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 68% of years.

Warmth for growing adds up to 4,495 growing degree days a year (base 50°F), more than at 53% of the 144 Tennessee stations. 38% of them (1,694) have built up by the end of June, and July adds the most, 866. Precipitation totals 60.4 inches a year, most in December (5.9") and least in October (3.6"); May to September bring 40% of it.

The nearest other station, Tellico Plains, TN, 10 miles east of Englewood, has a last frost 7 days later (April 13), a first frost 7 days earlier (October 24), a season 15 days shorter.

The first measurable snow (0.1 inch or more) in Englewood usually arrives around January 17, and the last of the season around February 1. Those are the middle dates across the winters of 1991–2020 at Athens, TN, 6.3 miles away: half of years saw snow earlier, half later. Snow fell in 88% of those winters. The last 32°F night of spring typically comes 64 days after the last snow.

ZIP 37329 is 6 miles from Athens, TN, which stands at 940 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 37303 (Athens). The 2023 USDA Plant Hardiness Zone Map lists ZIP 37329 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.