Average Temperatures for Idaho in October

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Average temperatures for October at cities, towns, parks and lakes throughout Idaho 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: Eastern, Central, Southwestern and Northern Idaho.

Eastern Idaho

Average October temperatures
High °F Low °F Place High °C Low °C
55 29 Driggs 13 -2
60 31 Idaho Falls 15 -1
55 26 Island Park 13 -4
63 32 Malad City 17  0
62 37 Pocatello 16  3
62 33 Preston 17  1
59 28 Saint Anthony 15 -2

Central Idaho

Average daily temperatures in October
High °F Low °F Place High °C Low °C
58 32 Craters of the Moon Monument 14  0
58 26 Grouse 14 -3
57 28 Ketchum 14 -3
64 33 Lake Walcott, Minidoka Dam 18  1
61 29 Middle Fork Lodge 16 -2
58 31 Salmon 14 -1
56 20 Stanley, Sawtooth Recreation Area 13 -7
62 34 Twin Falls 17  1

Southwestern Idaho

October temperatures: daily averages
High °F Low °F Place High °C Low °C
65 41 Boise 18  5
66 45 Brownlee Reservoir Dam 19  7
70 39 Bruneau 21  4
62 27 Idaho City 17 -3
67 40 Lake Lowell, Deer Flat Dam 19  4
57 27 McCall 14 -3
66 36 Mountain Home 19  2

Northern Idaho

Average October temperatures
High °F Low °F Place High °C Low °C
58 38 Coeur d’Alene 14  4
59 27 Elk City 15 -3
57 34 Kellogg 14  1
63 41 Lewiston 17  5
61 36 Moscow 16  2
56 33 Porthill 14  1
55 29 Powell 13 -2
67 40 Riggins 19  5
57 33 Sandpoint 14  1
56 35 Wallace 13  2
Reference

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

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