Livingston, MT 59065 Frost Dates
59065, near Livingston, MT: the frost window
Typically, the last spring freeze lands around 05/19, roughly 264 days out. Fall's first freeze usually shows up around 09/25, roughly 125 days after the last spring frost.
Livingston 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.
Stretching the season past the first frost
Livingston's growing season runs out in roughly 4 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/11 and only about 1 year in 10 sees frost after that.
Livingston against the rest of the dataset
Livingston's growing season runs about 125 days, ranking 38,750 of 40,283 US ZIP codes measured here, longest to shortest. Within MT, it ranks 170 of 392.
Learn more
Two guides worth reading on 59065: the frost range, on how to read the range around Livingston's dates instead of trusting one, and local microclimates, on what one yard in Livingston can differ from the 59065 normal.