Idaho May Weather

Idaho weather averages and all-time records in the month of May from 1991–2020 based on data made available by the NOAA.

State:

Month:

Idaho Cities

May weather averages for various places in Idaho, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Boise	72.3	47.0	101	22	1.4	0.0
Bonners Ferry	69.5	42.9	95	17	1.7	0.0
Burley	69.2	42.7	97	19	1.6	n/a
Coeur d'Alene	65.6	44.2	98	21	2.2	n/a
Emmett	72.3	43.6	100	23	1.5	0.0
Hamer	69.7	36.9	93	14	1.3	0.0
Idaho Falls	67.6	38.8	94	17	1.5	n/a
Jerome	71.5	42.1	103	19	1.3	n/a
Kellogg	67.8	41.7	101	20	2.8	0.0
Ketchum	62.6	34.3	89	5	1.7	0.2
Lewiston	71.7	47.7	104	23	1.7	0.0
McCall	62.1	35.2	90	14	2.3	0.7
Moscow	67.4	40.8	94	19	2.6	0.2
Pierce	64.1	36.1	97	21	3.8	0.3
Pocatello	68.8	39.8	97	20	1.4	0.4
Preston	69.1	40.3	94	21	2.1	0.2
Rexburg	65.9	39.5	91	15	1.7	n/a
Salmon	68.9	40.0	96	19	1.3	0.1
Sandpoint	66.6	41.5	97	22	2.4	0.0
St. Maries	67.4	41.9	95	20	2.3	0.1
Twin Falls	69.1	43.1	100	22	1.5	n/a