Frost Dates for 38344 — Huntingdon, Tennessee

Half of springs at Huntingdon Wtp, TN see their last 32°F night by April 2; only one in ten is past it by March 16, and one in ten still has one after April 18. Planting tender crops after April 9 leaves a 30% risk of a frost on them, after April 13 20%, and after April 18 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 19 one year in ten, and holds off past November 13 one year in ten. A hard freeze of 28°F follows 9 days later, around November 9; in spring the one-in-ten date for 28°F is April 7, 11 days before the 32°F one. The freeze-free season lasts 211 days in a typical year, longer than at 74% of the 144 Tennessee stations; it reaches 234 days one year in ten and falls short of 191 one year in ten. On average 84 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 15, and return around October 22. Severe cold of 16°F or below comes in 96% of winters, usually between December 28 and February 9.

July is the warmest month at Huntingdon Wtp, TN, averaging 89°F by day and 69°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 55% of years.

Warmth for growing adds up to 4,698 growing degree days a year (base 50°F), more than at 74% of the 144 Tennessee stations. 39% of them (1,831) have built up by the end of June, and July adds the most, 907. Precipitation totals 56.1 inches a year, most in May (5.9") and least in September (3.5"); May to September bring 40% of it.

The nearest other station, Milan Exp Stn, TN, 18 miles west of Huntingdon, has a last frost 2 days later (April 4), a first frost 3 days earlier (October 28), a season 5 days shorter.

The first measurable snow (0.1 inch or more) in Huntingdon usually arrives around January 20, and the last of the season around February 9. Those are the middle dates across the winters of 1991–2020 at Huntingdon Wtp, TN, 0.8 miles away: half of years saw snow earlier, half later. Snow fell in 89% of those winters. The last 32°F night of spring typically comes 52 days after the last snow.

ZIP 38344 is under a mile from Huntingdon Wtp, TN, which stands at 440 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 38201 (Mc Kenzie). The 2023 USDA Plant Hardiness Zone Map lists ZIP 38344 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.