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Idaho climate
Climate normals for 16 cities in Idaho — find your city, or get the regional gist.
Across the 16 cities we cover in Idaho, annual averages run 40–53°F. Annual precipitation ranges 9.2–27.8 in across those cities. The region spans 4 Köppen zones (BSk · Csb · Dfb · Dsb).
Largest cities in Idaho
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Boise
Population 236k
Hot summers, cold winters
Avg
32°F in January, 77°F in July
Meridian
Population 91k
Hot summers, cold winters
Avg
32°F in January, 77°F in July
Nampa
Population 90k
Hot summers, cold winters
Avg
32°F in January, 77°F in July
Idaho Falls
Population 59k
Warm summers, cold winters
Avg
23°F in January, 71°F in July
Pocatello
Population 54k
Warm summers, cold winters
Avg
29°F in January, 75°F in July
Caldwell
Population 52k
Hot summers, cold winters
Avg
32°F in January, 77°F in July
Climate types in Idaho:BSk
Cold semi-aridCsb
Warm-summer MediterraneanDfb
Warm-summer humid continentalDsb
Mediterranean-influenced warm-summer humid continental
Find a city in Idaho
Search 16 cities by name.