Average March Temperatures for Idaho

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

Average Temperatures for Idaho in March

Eastern Idaho

Central Idaho

Southwestern Idaho

Northern Idaho

Reference

More Idaho Weather Information