Dodgeville, WI 53535 Frost Dates
Frost dates for Dodgeville, WI, ZIP 53535
Around 05/03 is the usual last spring frost, about 248 days away. The first fall frost typically arrives around 10/07, about 157 frost-free days later.
Dodgeville sits in USDA Zone 5a (-20 to -15°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 5a around Dodgeville has about 6 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.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dodgeville compares
About 157 days separate Dodgeville's last and first frost, putting it 33,308 of 40,283 ZIP codes nationally. Within WI, it ranks 388 of 860.
Learn more
zone vs. frost date explains why Zone 5a and Dodgeville's frost date answer different questions, and the frost range explains how to read the range around Dodgeville's dates instead of trusting one.