Idaho May Weather

Idaho weather averages in the month of May from 1991–2020 based on data made available by the NOAA.
Statewide May Averages
High temperature 62.9 °F
Low temperature 37.4 °F
Precipitation 2.3 inches
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Idaho May Temperature by Year
Idaho Cities
May weather averages for various places in Idaho, from 1991–2020.
City Average (°F) Record (°F) Monthly (inches)
High Low High Low Precipitation Snow
Boise 72.3 47.0 99 22 1.4 0.0
Bonners Ferry 69.5 42.9 95 17 1.8 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 1.4 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 1.8 0.2
Lewiston 71.7 47.7 104 23 1.7 0.0
McCall 62.1 35.2 90 14 2.2 0.7
Moscow 67.4 40.8 94 19 2.6 0.2
Pierce 64.1 36.1 97 21 3.9 0.5
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 14 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