Frost Dates for 37055 — Dickson, Tennessee

Half of springs at Dickson, TN see their last 32°F night by April 13; only one in ten is past it by March 27, and one in ten still has one after April 30. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 24 20%, and after April 30 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 25 in half of years, as early as October 12 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 9 days later, around November 3; in spring the one-in-ten date for 28°F is April 17, 13 days before the 32°F one. The freeze-free season lasts 195 days in a typical year, shorter than at 71% of the 144 Tennessee stations; it reaches 216 days one year in ten and falls short of 176 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 12 days longer, to about April 25, and return around October 17. Severe cold of 16°F or below comes every winter, usually between December 12 and February 20.

July is the warmest month at Dickson, TN, averaging 87°F by day and 67°F at night; January is the coldest at 48°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 79% of years.

Warmth for growing adds up to 4,316 growing degree days a year (base 50°F), fewer than at 65% of the 144 Tennessee stations. 38% of them (1,660) have built up by the end of June, and July adds the most, 832. Precipitation totals 54.0 inches a year, most in May (5.8") and least in August (3.5"); May to September bring 40% of it.

The nearest other station, Montgomery Bell Sp, TN, 7 miles east of Dickson and 180 feet lower, has a last frost 3 days later (April 16), a first frost 1 day later (October 26), a season 2 days shorter.

The first measurable snow (0.1 inch or more) in Dickson usually arrives around January 9, and the last of the season around January 23. Those are the middle dates across the winters of 1991–2020 at Dickson, TN, 0.9 miles away: half of years saw snow earlier, half later. Snow fell in 68% of those winters. The last 32°F night of spring typically comes 80 days after the last snow.

ZIP 37055 is under a mile from Dickson, TN, which stands at 780 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37055 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.