Anderson, IN 46016 Frost Dates
Frost dates for Anderson, IN, ZIP 46016
Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/23, about 186 frost-free days later.
The USDA Plant Hardiness Zone Map puts Anderson in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Anderson 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 Anderson's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Anderson compares
At roughly 186 frost-free days, Anderson places 22,703 of 40,283 ZIP codes in this dataset. Within IN, it ranks 322 of 927.
Learn more
the frost range explains how to read the range around Anderson's dates instead of trusting one, and local microclimates explains what one yard in Anderson can differ from the 46016 normal.