Frost Dates for 84501 — Price, Utah

Half of springs at Price Carbon Co Airport, UT see their last 32°F night by May 3; only one in ten is past it by April 20, and one in ten still has one after May 21. Planting tender crops after May 10 leaves a 30% risk of a frost on them, after May 15 20%, and after May 21 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 47% of the 66 Utah stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 12 in half of years, as early as September 29 one year in ten, and holds off past October 25 one year in ten. A hard freeze of 28°F follows 10 days later, around October 22; in spring the one-in-ten date for 28°F is May 8, 13 days before the 32°F one. The freeze-free season lasts 160 days in a typical year, longer than at 56% of the 66 Utah stations; it reaches 178 days one year in ten and falls short of 138 one year in ten. On average 154 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 May 18, and return around October 2. Severe cold of 16°F or below comes every winter, usually between November 20 and March 1.

July is the warmest month at Price Carbon Co Airport, UT, averaging 90°F by day and 60°F at night; January is the coldest at 35°F and 16°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 61% of years.

Warmth for growing adds up to 2,814 growing degree days a year (base 50°F), fewer than at 52% of the 66 Utah stations. 30% of them (852) have built up by the end of June, and July adds the most, 772. Precipitation totals 8.6 inches a year, most in September (1.3") and least in November (0.4"); May to September bring 47% of it.

The nearest other station, Scofield Dam, UT, 23 miles northwest of Price and 1,709 feet higher, has a last frost 43 days later (June 15), a first frost 30 days earlier (September 12), a season 73 days shorter.

The first measurable snow (0.1 inch or more) in Price usually arrives around November 29, and the last of the season around March 18. Those are the middle dates across the winters of 1991–2020 at Wellington 3 E, UT, 5.8 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 46 days after the last snow.

ZIP 84501 is 3 miles from Price Carbon Co Airport, UT, which stands at 5,921 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 84501 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.