Frost Dates for 63877 — Steele, Missouri

Half of springs at Blytheville Municipal Airport, AR see their last 32°F night by March 24; only one in ten is past it by March 5, and one in ten still has one after April 10. Planting tender crops after April 1 leaves a 30% risk of a frost on them, after April 5 20%, and after April 10 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 66% of the 158 Missouri stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 6 in half of years, as early as October 23 one year in ten, and holds off past November 22 one year in ten. A hard freeze of 28°F follows 12 days later, around November 18; in spring the one-in-ten date for 28°F is March 30, 11 days before the 32°F one. The freeze-free season lasts 227 days in a typical year, longer than at 99% of the 158 Missouri stations; it reaches 252 days one year in ten and falls short of 205 one year in ten. On average 61 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 11 days longer, to about April 4, and return around October 26. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 88%.

July is the warmest month at Blytheville Municipal Airport, AR, averaging 91°F by day and 72°F at night; January is the coldest at 48°F and 31°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 30% of years.

Warmth for growing adds up to 5,221 growing degree days a year (base 50°F), the most of the 158 Missouri stations. 40% of them (2,098) have built up by the end of June, and July adds the most, 976. Precipitation totals 43.1 inches a year, most in April (4.9") and least in September (2.4"); May to September bring 38% of it.

The nearest other station, Blytheville, AR, 11 miles south of Steele, has a last frost 6 days earlier (March 18), a first frost 8 days later (November 14), a season 13 days longer.

The first measurable snow (0.1 inch or more) in Steele usually arrives around December 23, and the last of the season around February 9. Those are the middle dates across the winters of 1991–2020 at Portageville, MO, 24.5 miles away: half of years saw snow earlier, half later. Snow fell in 95% of those winters. The last 32°F night of spring typically comes 43 days after the last snow.

ZIP 63877 is 10 miles from Blytheville Municipal Airport, AR, which stands at 255 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 63877 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.