Average Temperatures for Idaho in March

Average temperatures for March 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 March temperatures
High °F Low °F Place High °C Low °C
44 20 Driggs 7 -7
47 25 Idaho Falls 8 -4
39 15 Island Park 4 -10
51 27 Malad City 10 -3
52 31 Pocatello 11 -1
50 27 Preston 10 -3
44 23 Saint Anthony 6 -5

Central Idaho

Average daily temperatures in March
High °F Low °F Place High °C Low °C
39 18 Craters of the Moon Monument 4 -8
43 19 Ketchum 6 -7
53 28 Lake Walcott, Minidoka Dam 12 -2
50 25 Middle Fork Lodge 10 -4
50 26 Salmon 10 -4
50 30 St. Maries 10 -1
43 9 Stanley, Sawtooth Recreation Area 6 -13
53 31 Twin Falls 11 -1

Southwestern Idaho

March temperatures: daily averages
High °F Low °F Place High °C Low °C
56 35 Boise 13 2
55 35 Brownlee Reservoir Dam 13 2
61 35 Bruneau 16 2
48 22 Idaho City 9 -6
58 34 Lake Lowell, Deer Flat Dam 15 1
43 21 McCall 6 -6
56 30 Mountain Home 13 -1

Northern Idaho

Average March temperatures
High °F Low °F Place High °C Low °C
48 30 Bonners Ferry 9 -1
48 31 Coeur d’Alene 9 -1
47 21 Elk City 8 -6
50 27 Kellogg 10 -3
55 36 Lewiston 13 2
50 28 Moscow 10 -2
46 27 Mullan 8 -3
50 28 Porthill 10 -2
46 24 Powell 8 -5
55 30 Riggins 13 -1
46 29 Sandpoint 8 -2
46 29 Wallace 8 -2
Reference

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

Idaho Temperatures
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