Frost Dates for 37025 — Bon Aqua, Tennessee

Half of springs at Fairview Bowie Nat Ctr, TN see their last 32°F night by April 7; only one in ten is past it by March 20, and one in ten still has one after April 23. Planting tender crops after April 14 leaves a 30% risk of a frost on them, after April 19 20%, and after April 23 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 53% 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 18 one year in ten, and holds off past November 16 one year in ten. A hard freeze of 28°F follows 11 days later, around November 11; in spring the one-in-ten date for 28°F is April 14, 9 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, longer than at 67% of the 144 Tennessee stations; it reaches 230 days one year in ten and falls short of 186 one year in ten. On average 81 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 19, and return around October 21. Severe cold of 16°F or below comes in 99% of winters, usually between December 20 and February 14.

July is the warmest month at Fairview Bowie Nat Ctr, TN, averaging 89°F by day and 68°F at night; January is the coldest at 47°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 66% of years.

Warmth for growing adds up to 4,588 growing degree days a year (base 50°F), more than at 64% of the 144 Tennessee stations. 39% of them (1,772) have built up by the end of June, and July adds the most, 883. Precipitation totals 57.0 inches a year, most in May (5.8") and least in August (3.4"); May to September bring 40% of it.

The nearest other station, Centerville 4NE, TN, 11 miles southwest of Bon Aqua, has a last frost 4 days later (April 11), a first frost 4 days earlier (October 27), a season 10 days shorter.

The first measurable snow (0.1 inch or more) in Bon Aqua 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, 10.7 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 50 days after the last snow.

ZIP 37025 is 9 miles from Fairview Bowie Nat Ctr, TN, which stands at 860 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 37062 (Fairview). The 2023 USDA Plant Hardiness Zone Map lists ZIP 37025 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.