Frost dates in Golden Valley County, Montana

Autumn-colored mountain valley under cloudy peaks in Glacier National Park, Montana — Photo: TerryDOtt, CC BY 2.0, via Wikimedia Commons

The average last spring frost in Golden Valley County falls May 17 to May 22 and the average first fall frost Sep 15 to Sep 23, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Lavina, Ryegate. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
59046	Lavina	May 22	Sep 15	4b
59074	Ryegate	May 17	Sep 23	4b

Nearby counties

Wheatland County Musselshell County Yellowstone County Stillwater County Sweet Grass County Fergus County

All Montana counties · Download Montana frost dates (CSV)

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