Chaffee, MO 63740 Frost Dates
Frost dates for Chaffee, MO, ZIP 63740
The last spring frost here typically falls around 04/05, about 220 days from today. The first fall frost typically arrives around 10/25, about 201 frost-free days later.
Chaffee sits in USDA Zone 7a (0 to 5°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 7a around Chaffee 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.
How much risk comes with planting early here
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Chaffee compares
Chaffee's growing season runs about 201 days, ranking 17,517 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 368 of 1,129.
Learn more
zone vs. frost date explains why Zone 7a and Chaffee's frost date answer different questions, and the frost range explains how to read the range around Chaffee's dates instead of trusting one.