Average Temperatures for Idaho in April

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Average temperatures for April 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 April temperatures
High °F Low °F Place High °C Low °C
51 27 Driggs 11 -3
58 32 Idaho Falls 14  0
51 25 Island Park 11 -4
60 32 Malad City 15  0
59 34 Pocatello 15  1
59 33 Preston 15  0
56 27 Saint Anthony 13 -3

Central Idaho

Average daily temperatures in April
High °F Low °F Place High °C Low °C
54 30 Craters of the Moon Monument 12 -1
52 26 Grouse 11 -3
53 27 Ketchum 12 -3
60 32 Lake Walcott, Minidoka Dam 16  0
58 29 Middle Fork Lodge 15 -2
58 32 Salmon 15  0
51 19 Stanley, Sawtooth Recreation Area 10 -7
59 34 Twin Falls 15  1

Southwestern Idaho

April temperatures: daily averages
High °F Low °F Place High °C Low °C
62 39 Boise 17  4
65 43 Brownlee Reservoir Dam 18  6
68 40 Bruneau 20  4
57 27 Idaho City 14 -3
65 40 Lake Lowell, Deer Flat Dam 18  4
51 27 McCall 11 -3
63 36 Mountain Home 17  2

Northern Idaho

Average April temperatures
High °F Low °F Place High °C Low °C
56 37 Coeur d’Alene 14  3
55 26 Elk City 13 -3
57 35 Kellogg 14  1
62 40 Lewiston 17  5
58 36 Moscow 15  2
59 34 Porthill 15  1
54 29 Powell 12 -2
66 39 Riggins 19  4
57 34 Sandpoint 14  1
54 35 Wallace 12  1
Reference

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

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