Frost Dates for 37190 — Woodbury, Tennessee

Half of springs at Woodbury 1 WNW, TN see their last 32°F night by April 17; only one in ten is past it by April 3, and one in ten still has one after May 2. Planting tender crops after April 23 leaves a 30% risk of a frost on them, after April 27 20%, and after May 2 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 21 in half of years, as early as October 8 one year in ten, and holds off past November 3 one year in ten. A hard freeze of 28°F follows 8 days later, around October 29; in spring the one-in-ten date for 28°F is April 21, 11 days before the 32°F one. The freeze-free season lasts 184 days in a typical year, shorter than at 91% of the 144 Tennessee stations; it reaches 205 days one year in ten and falls short of 163 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 13 days longer, to about April 30, and return around October 12. Severe cold of 16°F or below comes every winter, usually between December 5 and February 23.

July is the warmest month at Woodbury 1 WNW, TN, averaging 90°F by day and 66°F at night; January is the coldest at 50°F and 27°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 12% of years.

Warmth for growing adds up to 4,417 growing degree days a year (base 50°F), fewer than at 55% of the 144 Tennessee stations. 38% of them (1,665) have built up by the end of June, and July adds the most, 856. Precipitation totals 57.6 inches a year, most in July (6.3") and least in October (3.3"); May to September bring 42% of it.

The nearest other station, Smithville 2 SE, TN, 17 miles northeast of Woodbury, has a last frost 1 day later (April 18), a first frost 1 day later (October 22), a season 3 days longer.

The first measurable snow (0.1 inch or more) in Woodbury usually arrives around January 7, and the last of the season around February 17. Those are the middle dates across the winters of 1991–2020 at Mc Minnville, TN, 18.2 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 59 days after the last snow.

ZIP 37190 is 3 miles from Woodbury 1 WNW, TN, which stands at 750 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37190 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.