FrostDateCheck

Liberty, MO 64167 Frost Dates

64167, near Liberty, MO: the frost window

Zone 6a

Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 10/20, roughly 183 days after the last spring frost.

Liberty sits in USDA Zone 6a (-10 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.

Stretching the season past the first frost

Liberty's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Liberty's last frost

04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 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.

Liberty against the rest of the dataset

Liberty's growing season runs about 183 days, ranking 23,767 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 955 of 1,129.

Learn more

Two guides worth reading on 64167: the frost range, on how to read the range around Liberty's dates instead of trusting one, and local microclimates, on what one yard in Liberty can differ from the 64167 normal.