California, MO 65018 Frost Dates
Frost dates for California, MO, ZIP 65018
The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/25, about 195 frost-free days later.
California 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 California 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
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How California compares
California's growing season runs about 195 days, ranking 19,259 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 600 of 1,129.
Learn more
zone vs. frost date explains why Zone 6b and California's frost date answer different questions, and the frost range explains how to read the range around California's dates instead of trusting one.