Frost Dates for 75474 — Quinlan, Texas

Half of springs at Lake Tawakoni, TX see their last 32°F night by March 16; only one in ten is past it by February 26, and one in ten still has one after April 5. Planting tender crops after March 25 leaves a 30% risk of a frost on them, after March 30 20%, and after April 5 10%. The 20 days between the even-odds date and the one-in-ten date is narrower than at 51% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 14 in half of years, as early as October 29 one year in ten, and holds off past December 4 one year in ten. A hard freeze of 28°F follows 15 days later, around November 29; in spring the one-in-ten date for 28°F is March 21, 15 days before the 32°F one. The freeze-free season lasts 242 days in a typical year, shorter than at 58% of the 339 Texas stations; it reaches 270 days one year in ten and falls short of 216 one year in ten. On average 46 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 14 days longer, to about March 30, and return around November 3. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 49%.

August is the warmest month at Lake Tawakoni, TX, averaging 95°F by day and 72°F at night; January is the coldest at 55°F and 34°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 82% of years and April still brings one in 16% of years.

Warmth for growing adds up to 5,953 growing degree days a year (base 50°F), fewer than at 74% of the 351 Texas stations. 39% of them (2,327) have built up by the end of June, and August adds the most, 1,037. Precipitation totals 44.5 inches a year, most in October (5.1") and least in August (2.2"); May to September bring 37% of it.

The nearest other station, Wills Pt, TX, 14 miles south of Quinlan, has a last frost 5 days earlier (March 11), a first frost 7 days later (November 21), a season 10 days longer.

Measurable snow is rare here: only 0 of 16 winters from 1991 to 2020 recorded 0.1 inch or more at Lake Tawakoni, TX, 11.1 miles away, so there is no typical first-snow date to plan around.

ZIP 75474 is 11 miles from Lake Tawakoni, TX, which stands at 448 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 75474 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.