Frost Dates for 89027 — Mesquite, Nevada

Half of springs at Bunkerville, NV see their last 32°F night by March 16; only one in ten is past it by February 25, and one in ten still has one after April 5. Planting tender crops after March 27 leaves a 30% risk of a frost on them, after March 31 20%, and after April 5 10%. The 20 days between the even-odds date and the one-in-ten date is narrower than at 58% of the 38 Nevada stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 13 in half of years, as early as October 29 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 10 days later, around November 23; in spring the one-in-ten date for 28°F is March 19, 17 days before the 32°F one. The freeze-free season lasts 238 days in a typical year, longer than at 74% of the 38 Nevada stations; it reaches 265 days one year in ten and falls short of 216 one year in ten. On average 67 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 19 days longer, to about April 4, and return around November 2. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 40%.

July is the warmest month at Bunkerville, NV, averaging 106°F by day and 71°F at night; December is the coldest at 59°F and 29°F. A freezing night is all but certain in every month from November 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 80% of years and April still brings one in 18% of years.

Warmth for growing adds up to 6,175 growing degree days a year (base 50°F), more than at 82% of the 38 Nevada stations. 38% of them (2,348) have built up by the end of June, and July adds the most, 1,195. Precipitation totals 5.9 inches a year, most in February (0.9") and least in May (0.1"); May to September bring 27% of it.

The nearest other station, Beaver Dam, AZ, 11 miles northeast of Mesquite and 331 feet higher, has a last frost 9 days earlier (March 7), a first frost 6 days later (November 19), a season 13 days longer.

Measurable snow is rare here: only 6 of 25 winters from 1991 to 2020 recorded 0.1 inch or more at Lytle Rch, UT, 23.7 miles away, so there is no typical first-snow date to plan around.

ZIP 89027 is 2 miles from Bunkerville, NV, which stands at 1,600 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 89027 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.