Frost Dates for 78130 — New Braunfels, Texas

Half of springs at New Braunfels, TX see their last 32°F night by March 8; only one in ten is past it by February 17, and one in ten still has one after April 1. Planting tender crops after March 18 leaves a 30% risk of a frost on them, after March 24 20%, and after April 1 10%. The 24 days between the even-odds date and the one-in-ten date is wider than at 76% of the 339 Texas stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by November 18 in half of years, as early as November 2 one year in ten, and holds off past December 10 one year in ten. A hard freeze of 28°F follows 14 days later, around December 2; in spring the one-in-ten date for 28°F is March 17, 15 days before the 32°F one. The freeze-free season lasts 253 days in a typical year, longer than at 56% of the 339 Texas stations; it reaches 287 days one year in ten and falls short of 223 one year in ten. On average 32 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 17 days longer, to about March 25, and return around November 7. Nights of 24°F, cold enough to damage hardier plants, come in 91% of winters and 16°F in 21%.

August is the warmest month at New Braunfels, TX, averaging 95°F by day and 71°F at night; January is the coldest at 62°F and 37°F. A freezing night is all but certain in every month from January 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 64% of years and April still brings one in 11% of years.

Warmth for growing adds up to 6,606 growing degree days a year (base 50°F), more than at 59% of the 351 Texas stations. 42% of them (2,747) have built up by the end of June, and August adds the most, 1,021. Precipitation totals 33.7 inches a year, most in May (3.6") and least in February (1.9"); May to September bring 48% of it.

The nearest other station, Austin San Antonio, TX, 5 miles east of New Braunfels, has a last frost 7 days earlier (March 1), a first frost 8 days later (November 26), a season 20 days longer.

Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at New Braunfels, TX, 4.4 miles away, so there is no typical first-snow date to plan around.

ZIP 78130 is 4 miles from New Braunfels, TX, which stands at 720 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 78130 in zone 9a, the band where the coldest night of the year averaged 20 to 25°F (-6.7 to -3.9°C) over 1991–2020; a zone describes winter lows, not frost dates.