Frost Dates for 47562 — Odon, Indiana

Half of springs at Elnora, IN see their last 32°F night by April 9; only one in ten is past it by March 27, and one in ten still has one after April 25. Planting tender crops after April 16 leaves a 30% risk of a frost on them, after April 20 20%, and after April 25 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 35% of the 125 Indiana stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 25 in half of years, as early as October 12 one year in ten, and holds off past November 7 one year in ten. A hard freeze of 28°F follows 10 days later, around November 4; in spring the one-in-ten date for 28°F is April 15, 10 days before the 32°F one. The freeze-free season lasts 197 days in a typical year, longer than at 82% of the 125 Indiana stations; it reaches 218 days one year in ten and falls short of 177 one year in ten. On average 97 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 12 days longer, to about April 21, and return around October 15. Severe cold of 16°F or below comes every winter, usually between December 9 and February 28.

July is the warmest month at Elnora, IN, averaging 88°F by day and 66°F at night; January is the coldest at 40°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 80% of years.

Warmth for growing adds up to 4,106 growing degree days a year (base 50°F), more than at 88% of the 125 Indiana stations. 38% of them (1,581) have built up by the end of June, and July adds the most, 826. Precipitation totals 49.5 inches a year, most in May (5.7") and least in February (2.8"); May to September bring 46% of it.

The nearest other station, Crane Nsa, IN, 8 miles east of Odon and 250 feet higher, has the same 50% last-frost date, a first frost 6 days later (October 31), a season 5 days longer.

The first measurable snow (0.1 inch or more) in Odon usually arrives around December 19, and the last of the season around February 16. Those are the middle dates across the winters of 1991–2020 at Crane Nsa, IN, 8.4 miles away: half of years saw snow earlier, half later. Snow fell in 94% of those winters. The last 32°F night of spring typically comes 52 days after the last snow.

ZIP 47562 is 6 miles from Elnora, IN, which stands at 480 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 47562 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.