Livingston, MT 59082 Frost Dates
Frost dates for Livingston, MT, ZIP 59082
The last spring frost here typically falls around 05/19, about 264 days from today. The first fall frost typically arrives around 09/25, about 125 frost-free days later.
Zone 5a (-20 to -15°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 Livingston, not a forecast for this year.
What to do before the first frost
Zone 5a around Livingston has about 4 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.
Why 05/19 isn't a guarantee
05/19 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 06/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Livingston compares
About 125 days separate Livingston's last and first frost, putting it 38,751 of 40,283 ZIP codes nationally. Within MT, it ranks 171 of 392.
Learn more
the frost range explains how to read the range around Livingston's dates instead of trusting one, and local microclimates explains what one yard in Livingston can differ from the 59082 normal.