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Interactive Montana First Frost Map

Interactive map of average annual First frost dates for the state of Montana

Average First Frost Aug. 1 - Aug. 10

Average First Frost Aug. 11 - Aug. 20

Average First Frost Aug. 21 - Aug. 31

Average First Frost Sep. 1 - Sep. 10

Average First Frost Sep. 11 - Sep. 20

Average First Frost Sep. 21 - Sep. 30

Average First Frost Oct. 1 - Oct. 10

Drought Conditions for Adjacent States

Idaho First Frost Map
North Dakota First Frost Map
South Dakota First Frost Map
Wyoming First Frost Map

Other Interactive Gardening Maps and Data for Montana

Montana Last Frost Date Map
Montana Drought Conditions Map
Interactive Map of Montana Ecoregions
Interactive Montana Plantmaps Hardiness Zone Map
Interactive Montana USDA Hardiness Zone Map
Interactive Map of Montana Heat Zones
Interactive Maps of Native Montana Trees and Plants

Zoom to Major Cities in Montana

Zoom to Billings First Frost

Billings First Frost: Sep. 21 - Sep. 30
Zoom to Butte First Frost

Zoom to Butte First Frost

Butte First Frost: Sep. 1 - Sep. 10
Zoom to Glendive First Frost

Zoom to Glendive First Frost

Glendive First Frost: Sep. 21 - Sep. 30
Zoom to Great Falls First Frost

Zoom to Great Falls First Frost

Great Falls First Frost: Sep. 21 - Sep. 30
Zoom to Helena First Frost

Zoom to Helena First Frost

Helena First Frost: Sep. 11 - Sep. 20
Zoom to Missoula First Frost

Zoom to Missoula First Frost

Missoula First Frost: Sep. 11 - Sep. 20