Frost Dates for 76209 — Denton, Texas

Half of springs at Denton 2 SE, TX see their last 32°F night by March 13; only one in ten is past it by February 24, and one in ten still has one after March 31. Planting tender crops after March 21 leaves a 30% risk of a frost on them, after March 26 20%, and after March 31 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 75% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 20 in half of years, as early as November 3 one year in ten, and holds off past December 8 one year in ten. A hard freeze of 28°F follows 11 days later, around December 1; in spring the one-in-ten date for 28°F is March 18, 13 days before the 32°F one. The freeze-free season lasts 251 days in a typical year, longer than at 53% of the 339 Texas stations; it reaches 278 days one year in ten and falls short of 226 one year in ten. On average 38 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 15 days longer, to about March 28, and return around November 10. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 44%.

July is the warmest month at Denton 2 SE, TX, averaging 96°F by day and 75°F at night; January is the coldest at 56°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 October the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 79% of years and April still brings one in 10% of years.

Warmth for growing adds up to 6,280 growing degree days a year (base 50°F), fewer than at 55% of the 351 Texas stations. 39% of them (2,463) have built up by the end of June, and July adds the most, 1,097. Precipitation totals 38.5 inches a year, most in May (4.9") and least in January (2.2"); May to September bring 42% of it.

The nearest other station, Denton Municipal Airport, TX, 5 miles west of Denton, has a last frost 11 days later (March 24), a first frost 13 days earlier (November 7), a season 24 days shorter.

Measurable snow is rare here: only 8 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Denton 2 SE, TX, 2.5 miles away, so there is no typical first-snow date to plan around.

ZIP 76209 is 3 miles from Denton 2 SE, TX, which stands at 630 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 6 other ZIP codes share the station; its figures are presented in full for 75068 (Little Elm). The 2023 USDA Plant Hardiness Zone Map lists ZIP 76209 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.