Frost Dates for 38135 — Bartlett, Tennessee

Half of springs at Memphis WFO, TN see their last 32°F night by March 29; only one in ten is past it by March 9, and one in ten still has one after April 13. Planting tender crops after April 4 leaves a 30% risk of a frost on them, after April 8 20%, and after April 13 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 November 5 in half of years, as early as October 25 one year in ten, and holds off past November 22 one year in ten. A hard freeze of 28°F follows 12 days later, around November 17; in spring the one-in-ten date for 28°F is April 2, 11 days before the 32°F one. The freeze-free season lasts 223 days in a typical year, longer than at 94% of the 144 Tennessee stations; it reaches 247 days one year in ten and falls short of 200 one year in ten. On average 68 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 11 days longer, to about April 9, and return around October 27. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 86%.

July is the warmest month at Memphis WFO, TN, averaging 91°F by day and 71°F at night; January is the coldest at 49°F and 30°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 41% of years.

Warmth for growing adds up to 5,202 growing degree days a year (base 50°F), more than at 97% of the 144 Tennessee stations. 39% of them (2,039) have built up by the end of June, and July adds the most, 966. Precipitation totals 57.2 inches a year, most in April (5.9") and least in August (3.4"); May to September bring 38% of it.

The nearest other station, Germantown 4SE, TN, 12 miles southeast of Bartlett, has a last frost 7 days earlier (March 22), a first frost 2 days later (November 7), a season 7 days longer.

The first measurable snow (0.1 inch or more) in Bartlett usually arrives around January 28, and the last of the season around February 7. Those are the middle dates across the winters of 1991–2020 at Germantown 4SE, TN, 12.4 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 38135 is 8 miles from Memphis WFO, TN, which stands at 310 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 13 other ZIP codes share the station; its figures are presented in full for 38016 (Cordova). The 2023 USDA Plant Hardiness Zone Map lists ZIP 38135 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.