Richmond, MO 64085 Frost Dates
Richmond, MO: when does the frost end?
The last spring frost here typically falls around 04/19, about 234 days from today. Fall's first freeze usually shows up around 10/18, roughly 180 days after the last spring frost.
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 Richmond, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Richmond's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Richmond's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Richmond against the rest of the dataset
At roughly 180 frost-free days, Richmond places 24,850 of 40,283 ZIP codes in this dataset. Within MO, it ranks 1,012 of 1,129.
Learn more
Before leaning on 64085's figures: local microclimates explains what one yard in Richmond can differ from the 64085 normal, while zone vs. frost date explains why Zone 6a and Richmond's frost date answer different questions.