Oolitic, IN 47436 Frost Dates
Frost dates for Oolitic, IN, ZIP 47436
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/20, about 181 frost-free days later.
Oolitic sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Oolitic has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Oolitic's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oolitic compares
Oolitic's growing season runs about 181 days, ranking 24,639 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 470 of 927.
Learn more
local microclimates explains what one yard in Oolitic can differ from the 47436 normal, and zone vs. frost date explains why Zone 6b and Oolitic's frost date answer different questions.