Frost Dates for 37098 — Lyles, Tennessee

Half of springs at Centerville 4NE, TN see their last 32°F night by April 11; only one in ten is past it by March 25, and one in ten still has one after April 28. Planting tender crops after April 19 leaves a 30% risk of a frost on them, after April 23 20%, and after April 28 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 34% of the 144 Tennessee stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 27 in half of years, as early as October 14 one year in ten, and holds off past November 10 one year in ten. A hard freeze of 28°F follows 9 days later, around November 5; in spring the one-in-ten date for 28°F is April 16, 12 days before the 32°F one. The freeze-free season lasts 199 days in a typical year, shorter than at 64% of the 144 Tennessee stations; it reaches 221 days one year in ten and falls short of 177 one year in ten. On average 88 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 18. Severe cold of 16°F or below comes in 99% of winters, usually between December 15 and February 19.

July is the warmest month at Centerville 4NE, TN, averaging 86°F by day and 67°F at night; January is the coldest at 47°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 77% of years.

Warmth for growing adds up to 4,130 growing degree days a year (base 50°F), fewer than at 74% of the 144 Tennessee stations. 38% of them (1,567) have built up by the end of June, and July adds the most, 814.

The nearest other station, Centerville Water Pl, TN, 11 miles southwest of Lyles, has the same 50% last-frost date, a first frost 3 days earlier (October 24), a season 3 days shorter.

The first measurable snow (0.1 inch or more) in Lyles usually arrives around January 17, and the last of the season around February 16. Those are the middle dates across the winters of 1991–2020 at Centerville 4NE, TN, 7 miles away: half of years saw snow earlier, half later. Snow fell in 95% of those winters. The last 32°F night of spring typically comes 54 days after the last snow.

ZIP 37098 is 7 miles from Centerville 4NE, TN, which stands at 740 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37098 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.