Frost Dates for 37332 — Evensville, Tennessee

Half of springs at Spring City, TN see their last 32°F night by April 11; only one in ten is past it by March 27, and one in ten still has one after May 1. Planting tender crops after April 18 leaves a 30% risk of a frost on them, after April 23 20%, and after May 1 10%. The 20 days between the even-odds date and the one-in-ten date is wider than at 95% of the 144 Tennessee stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 29 in half of years, as early as October 16 one year in ten, and holds off past November 11 one year in ten. A hard freeze of 28°F follows 9 days later, around November 7; in spring the one-in-ten date for 28°F is April 16, 15 days before the 32°F one. The freeze-free season lasts 200 days in a typical year, shorter than at 62% of the 144 Tennessee stations; it reaches 220 days one year in ten and falls short of 178 one year in ten. On average 91 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 13 days longer, to about April 24, and return around October 20. Severe cold of 16°F or below comes in 97% of winters, usually between December 26 and February 12.

July is the warmest month at Spring City, TN, averaging 87°F by day and 67°F at night; January is the coldest at 48°F and 26°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 79% of years and May still brings one in 11% of years.

Warmth for growing adds up to 4,092 growing degree days a year (base 50°F), fewer than at 78% of the 144 Tennessee stations. 37% of them (1,521) have built up by the end of June, and July adds the most, 828. Precipitation totals 59.4 inches a year, most in December (6.0") and least in August (3.1"); May to September bring 38% of it.

The nearest other station, Dayton 2SE, TN, 8 miles south of Evensville, has a last frost 7 days earlier (April 4), a first frost 2 days later (October 31), a season 8 days longer.

The first measurable snow (0.1 inch or more) in Evensville usually arrives around January 6, and the last of the season around February 18. Those are the middle dates across the winters of 1991–2020 at Pikeville, TN, 14.2 miles away: half of years saw snow earlier, half later. Snow fell in 97% of those winters. The last 32°F night of spring typically comes 52 days after the last snow.

ZIP 37332 is 8 miles from Spring City, TN, which stands at 755 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 37381 (Spring City). The 2023 USDA Plant Hardiness Zone Map lists ZIP 37332 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.