Average Temperatures for Montana in July

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Average temperatures for July at cities, towns, parks and lakes throughout Montana are listed below in degrees Fahrenheit and Celsius.

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1981 to 2010.

You can jump to a separate table for each region of the state: Northwestern, Southwestern, South - Central and Eastern Montana.

Northwestern Montana

Average July temperatures
High °F Low °F Place High °C Low °C
79 50 Cut Bank 26 10
75 45 East Glacier Park 24   7
84 53 Flathead Lake, Polson 29 12
77 46 Gibson Reservoir Dam 25   8
81 48 Kalispell 27   9
88 49 Libby 31   9
86 51 Missoula 30 11
79 40 Polebridge 26   5
81 50 Rogers Pass 27 10
83 44 Seeley Lake 28   7
80 49 West Glacier 27   9
80 50 Whitefish 27 10

Southwestern Montana

Average daily temperatures in July
High °F Low °F Place High °C Low °C
83 51 Bozeman 29 10
81 46 Butte 27   8
80 44 Deer Lodge 27   7
87 53 Gardiner 30 12
78 45 Hebgen Lake Dam 26   7
86 54 Helena 30 12
82 43 Sula 28   6
82 49 Virginia City 28   9
77 40 West Yellowstone 25   4

South - Central Montana

July temperatures: daily averages
High °F Low °F Place High °C Low °C
88 57 Bighorn Lake, Yellowtail Dam 31 14
87 59 Billings 30 15
75 39 Cooke City 24   4
75 51 Mystic Lake 24 11
80 49 Red Lodge 27 10

Eastern Montana

Average July temperatures
High °F Low °F Place High °C Low °C
87 56 Culbertson 30 13
85 53 Elwell Lake, Tiber Dam 30 11
89 58 Fort Peck Lake Dam 32 14
85 57 Glasgow 30 14
88 60 Glendive 31 15
83 51 Great Falls 29 11
85 54 Havre City 29 12
81 50 Lewistown 27 10
88 60 Miles City 31 15
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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