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Interactive Montana Last Frost Map

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

Average Last Frost May 1 - May 10

Average Last Frost May 11 - May 20

Average Last Frost May 21 - May 31

Average Last Frost Jun. 1 - Jun. 10

Average Last Frost Jun. 11 - Jun. 20

Average Last Frost Jun. 21 - Jun. 30

Average Last Frost Jul. 1 - Jul. 10

Average Last Frost Jul. 11 - Jul. 20

Average Last Frost Jul. 21 - Jul. 31

Drought Conditions for Adjacent States

Idaho Last Frost Map
North Dakota Last Frost Map
South Dakota Last Frost Map
Wyoming Last Frost Map

Other Interactive Gardening Maps and Data for Montana

Montana First 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 Last Frost

Billings Last Frost: May 11 - May 20
Zoom to Butte Last Frost

Zoom to Butte Last Frost

Butte Last Frost: Jun. 11 - Jun. 20
Zoom to Glendive Last Frost

Zoom to Glendive Last Frost

Glendive Last Frost: May 1 - May 10
Zoom to Great Falls Last Frost

Zoom to Great Falls Last Frost

Great Falls Last Frost: May 11 - May 20
Zoom to Helena Last Frost

Zoom to Helena Last Frost

Helena Last Frost: May 11 - May 20
Zoom to Missoula Last Frost

Zoom to Missoula Last Frost

Missoula Last Frost: May 21 - May 31