Average July Temperatures for Montana

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

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

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northwestern Montana

Average July temperatures
High °F	Low °F	Place	High °C	Low °C
80	50	Cut Bank	27	10
74	46	East Glacier Park	23	8
79	45	Gibson Reservoir Dam	26	7
82	48	Kalispell	28	9
89	49	Libby	32	10
85	52	Missoula	30	11
81	40	Polebridge	27	5
83	53	Polson	28	12
82	51	Rogers Pass	28	10
83	44	Seeley Lake	28	7
80	50	West Glacier	27	10
81	50	Whitefish	27	10

Southwestern Montana

Average daily temperatures in July
High °F	Low °F	Place	High °C	Low °C
83	49	Anaconda	28	9
82	52	Bozeman	28	11
81	46	Butte	27	8
79	44	Deer Lodge	26	7
83	48	Dillon	28	9
87	53	Gardiner	31	12
79	45	Hebgen Lake Dam	26	7
86	55	Helena	30	13
82	43	Sula	28	6
83	50	Virginia City	28	10
80	39	West Yellowstone	27	4

South - Central Montana

July temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
89	59	Bighorn Lake, Yellowtail Dam	32	15
87	59	Billings	31	15
74	39	Cooke City	23	4
75	50	Mystic Lake	24	10
81	50	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	12
89	59	Fort Peck Lake Dam	31	15
86	59	Glasgow	30	15
88	60	Glendive	31	16
84	51	Great Falls	29	11
86	54	Havre City	30	12
82	51	Lewistown	28	10
89	60	Miles City	32	15

Average Temperatures for Montana in July

Northwestern Montana

Southwestern Montana

South - Central Montana

Eastern Montana

Reference

More Montana Weather Information