Frost Dates for 47610 — Chandler, Indiana

Half of springs at Boonville 1S, IN see their last 32°F night by April 12; only one in ten is past it by March 28, and one in ten still has one after April 28. Planting tender crops after April 18 leaves a 30% risk of a frost on them, after April 22 20%, and after April 28 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 5 one year in ten. A hard freeze of 28°F follows 9 days later, around November 3; in spring the one-in-ten date for 28°F is April 14, 14 days before the 32°F one. The freeze-free season lasts 196 days in a typical year, longer than at 80% of the 125 Indiana stations; it reaches 216 days one year in ten and falls short of 175 one year in ten. On average 90 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 23, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 8 and February 24.

July is the warmest month at Boonville 1S, IN, averaging 89°F by day and 68°F at night; January is the coldest at 42°F and 25°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 4,391 growing degree days a year (base 50°F), more than at 98% of the 125 Indiana stations. 39% of them (1,699) have built up by the end of June, and July adds the most, 876. Precipitation totals 51.1 inches a year, most in April (5.5") and least in August (3.2"); May to September bring 42% of it.

The nearest other station, Evansville Regional Airport, IN, 7 miles west of Chandler, has a last frost 8 days earlier (April 4), a first frost 4 days later (October 29), a season 10 days longer.

The first measurable snow (0.1 inch or more) in Chandler usually arrives around December 20, and the last of the season around February 23. Those are the middle dates across the winters of 1991–2020 at Boonville 1S, IN, 6.5 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 48 days after the last snow.

ZIP 47610 is 7 miles from Boonville 1S, IN, which stands at 400 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 47601 (Boonville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 47610 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.