Clermont, IN 46278 Frost Dates
When can you plant in Clermont, IN?
Typically, the last spring freeze lands around 04/12, roughly 227 days out. The first fall frost typically arrives around 10/29, about 198 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Clermont, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Clermont before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Clermont's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clermont compares
Clermont's growing season runs about 198 days, ranking 18,456 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 123 of 927.
Learn more
local microclimates covers what one yard in Clermont can differ from the 46278 normal. zone vs. frost date covers why Zone 6a and Clermont's frost date answer different questions.