Average Temperatures for Idaho in July





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

You can jump to a separate table for each region of the state: Eastern, Central, Southwestern and Northern Idaho.

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.

Eastern Idaho

Average July temperatures
High °F Low °F Place High °C Low °C
83 48 Driggs 28 9
87 49 Idaho Falls 30 10
77 43 Island Park 25 6
91 51 Malad City 33 11
91 59 Pocatello 33 15
89 54 Preston 32 12
83 50 Saint Anthony 29 10

Central Idaho

Average daily temperatures in July
High °F Low °F Place High °C Low °C
82 49 Craters of the Moon Monument 28 10
80 45 Ketchum 27 7
89 54 Lake Walcott, Minidoka Dam 32 12
86 48 Middle Fork Lodge 30 9
86 52 Salmon 30 11
84 52 St. Maries 29 11
80 34 Stanley, Sawtooth Recreation Area 27 1
87 55 Twin Falls 30 13

Southwestern Idaho

July temperatures: daily averages
High °F Low °F Place High °C Low °C
93 62 Boise 34 17
95 64 Brownlee Reservoir Dam 35 18
96 61 Bruneau 35 16
87 46 Idaho City 31 8
90 59 Lake Lowell, Deer Flat Dam 32 15
81 45 McCall 27 7
95 60 Mountain Home 35 15

Northern Idaho

Average July temperatures
High °F Low °F Place High °C Low °C
85 53 Bonners Ferry 29 12
83 57 Coeur d’Alene 28 14
83 43 Elk City 28 6
85 51 Kellogg 29 10
91 61 Lewiston 33 16
84 45 Moscow 29 7
81 49 Mullan 27 10
86 52 Porthill 30 11
83 46 Powell 28 8
90 52 Riggins 32 11
82 52 Sandpoint 28 11
81 51 Wallace 27 11
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Idaho Temperatures
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