Frost Dates for 75686 — Pittsburg, Texas

Half of springs at Mt Pleasant, TX see their last 32°F night by March 24; only one in ten is past it by March 3, and one in ten still has one after April 13. Planting tender crops after April 1 leaves a 30% risk of a frost on them, after April 7 20%, and after April 13 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 7 in half of years, as early as October 25 one year in ten, and holds off past November 29 one year in ten. A hard freeze of 28°F follows 12 days later, around November 19; in spring the one-in-ten date for 28°F is March 31, 13 days before the 32°F one. The freeze-free season lasts 230 days in a typical year, shorter than at 76% of the 339 Texas stations; it reaches 257 days one year in ten and falls short of 203 one year in ten. On average 61 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 April 7, and return around October 30. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 60%.

August is the warmest month at Mt Pleasant, TX, averaging 94°F by day and 71°F at night; January is the coldest at 56°F and 32°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 88% of years and April still brings one in 32% of years.

Warmth for growing adds up to 5,718 growing degree days a year (base 50°F), fewer than at 84% of the 351 Texas stations. 39% of them (2,246) have built up by the end of June, and August adds the most, 1,003. Precipitation totals 48.7 inches a year, most in May (5.2") and least in August (2.7"); May to September bring 38% of it.

The nearest other station, Daingerfield 9 S, TX, 15 miles east of Pittsburg, has a last frost 16 days earlier (March 8), a first frost 15 days later (November 22), a season 29 days longer.

Measurable snow is rare here: only 6 of 23 winters from 1991 to 2020 recorded 0.1 inch or more at Pittsburg 5 SSE, TX, 3.9 miles away, so there is no typical first-snow date to plan around.

ZIP 75686 is 13 miles from Mt Pleasant, TX, which stands at 425 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 75455 (Mount Pleasant). The 2023 USDA Plant Hardiness Zone Map lists ZIP 75686 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.