Frost Dates for 47462 — Springville, Indiana

Half of springs at Bedford 5 WNW, IN see their last 32°F night by April 10; only one in ten is past it by March 25, and one in ten still has one after April 30. Planting tender crops after April 18 leaves a 30% risk of a frost on them, after April 22 20%, and after April 30 10%. The 20 days between the even-odds date and the one-in-ten date is the widest of the 125 Indiana stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 30 in half of years, as early as October 16 one year in ten, and holds off past November 11 one year in ten. A hard freeze of 28°F follows 10 days later, around November 9; in spring the one-in-ten date for 28°F is April 15, 15 days before the 32°F one. The freeze-free season lasts 201 days in a typical year, longer than at 86% of the 125 Indiana stations; it reaches 223 days one year in ten and falls short of 177 one year in ten. On average 96 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 13 days longer, to about April 23, and return around October 19. Severe cold of 16°F or below comes every winter, usually between December 10 and February 25.

July is the warmest month at Bedford 5 WNW, IN, averaging 84°F by day and 66°F at night; January is the coldest at 39°F and 23°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 75% of years.

Warmth for growing adds up to 3,685 growing degree days a year (base 50°F), more than at 69% of the 125 Indiana stations. 37% of them (1,377) have built up by the end of June, and July adds the most, 764. Precipitation totals 48.7 inches a year, most in May (5.5") and least in February (3.0"); May to September bring 44% of it.

The nearest other station, Oolitic Purdue Ex Fm, IN, 7 miles southeast of Springville, has a last frost 10 days later (April 20), a first frost 10 days earlier (October 20), a season 20 days shorter.

The first measurable snow (0.1 inch or more) in Springville usually arrives around December 7, and the last of the season around March 7. Those are the middle dates across the winters of 1991–2020 at Oolitic Purdue Ex Fm, IN, 7.1 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 34 days after the last snow.

ZIP 47462 is 7 miles from Bedford 5 WNW, IN, which stands at 760 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 47462 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.