Frost Dates for 71744 — Hampton, Arkansas

Half of springs at Calion L&D, AR see their last 32°F night by March 18; only one in ten is past it by February 28, and one in ten still has one after April 6. Planting tender crops after March 27 leaves a 30% risk of a frost on them, after April 1 20%, and after April 6 10%. The 19 days between the even-odds date and the one-in-ten date is wider than at 80% of the 105 Arkansas 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 24 one year in ten, and holds off past November 27 one year in ten. A hard freeze of 28°F follows 14 days later, around November 21; in spring the one-in-ten date for 28°F is March 23, 14 days before the 32°F one. The freeze-free season lasts 235 days in a typical year, longer than at 75% of the 105 Arkansas stations; it reaches 260 days one year in ten and falls short of 209 one year in ten. On average 60 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 April 2, and return around October 30. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 50%.

July is the warmest month at Calion L&D, AR, averaging 93°F by day and 71°F at night; January is the coldest at 55°F and 32°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 83% of years and April still brings one in 22% of years.

Warmth for growing adds up to 5,579 growing degree days a year (base 50°F), more than at 83% of the 105 Arkansas stations. 40% of them (2,228) have built up by the end of June, and July adds the most, 986. Precipitation totals 50.7 inches a year, most in April (5.5") and least in September (3.1"); May to September bring 36% of it.

The nearest other station, Camden 1, AR, 20 miles west of Hampton, has a last frost 3 days later (March 21), a first frost 1 day earlier (November 6), a season 5 days shorter.

Measurable snow is rare here: only 10 of 28 winters from 1991 to 2020 recorded 0.1 inch or more at Calion L&D, AR, 14.9 miles away, so there is no typical first-snow date to plan around.

ZIP 71744 is 15 miles from Calion L&D, AR, which stands at 77 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 71744 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.