Frost Dates for 79323 — Denver City, Texas

Half of springs at Denver City, TX see their last 32°F night by April 7; only one in ten is past it by March 20, and one in ten still has one after April 23. Planting tender crops after April 13 leaves a 30% risk of a frost on them, after April 17 20%, and after April 23 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 91% of the 339 Texas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 4 in half of years, as early as October 19 one year in ten, and holds off past November 16 one year in ten. A hard freeze of 28°F follows 9 days later, around November 13; in spring the one-in-ten date for 28°F is April 12, 11 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, shorter than at 91% of the 339 Texas stations; it reaches 232 days one year in ten and falls short of 188 one year in ten. On average 88 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 12 days longer, to about April 19, and return around October 26. Severe cold of 16°F or below comes in 93% of winters, usually between December 21 and February 4.

July is the warmest month at Denver City, TX, averaging 93°F by day and 65°F at night; January is the coldest at 56°F and 27°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 70% of years.

Warmth for growing adds up to 4,844 growing degree days a year (base 50°F), fewer than at 93% of the 351 Texas stations. 40% of them (1,937) have built up by the end of June, and July adds the most, 899. Precipitation totals 19.1 inches a year, most in September (2.7") and least in January (0.7"); May to September bring 62% of it.

The nearest other station, Seminole, TX, 21 miles southeast of Denver City and 254 feet lower, has a last frost 5 days earlier (April 2), a first frost 2 days later (November 6), a season 10 days longer.

The first measurable snow (0.1 inch or more) in Denver City usually arrives around December 10, and the last of the season around January 28. Those are the middle dates across the winters of 1991–2020 at Denver City, TX, 1.8 miles away: half of years saw snow earlier, half later. Snow fell in 88% of those winters. The last 32°F night of spring typically comes 69 days after the last snow.

ZIP 79323 is 2 miles from Denver City, TX, which stands at 3,590 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 79323 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.