Idaho climate

Historical climate data for 198 cities in Idaho — drawn from NOAA 1991-2020 normals at each city's primary weather station.

Warmest city
Georgetown
°F annual avg
Coldest city
Stanley
34.4°F annual avg
Wettest city
Stites
in/yr
Snowiest city
Placerville
116.7 in/yr
Frost-date data is available for 196 cities in Idaho — the average last spring frost, first fall frost, and growing-season length for each. Find your city →

Idaho climate rankings

Warmest cities

  1. Clifton — °F
  2. Horseshoe Bend — °F
  3. Clayton — °F
  4. Oxford — °F
  5. Victor — °F
  6. Hauser — °F
  7. Georgetown — °F
  8. State Line — °F
  9. Placerville — °F
  10. Spirit Lake — °F

Coldest cities

  1. Stanley — 34.4°F
  2. Leadore — 39.1°F
  3. Ketchum — 40.2°F
  4. Sun Valley — 40.2°F
  5. Bloomington — 41.0°F
  6. St. Charles — 41.0°F
  7. Paris — 41.1°F
  8. Montpelier — 41.1°F
  9. New Meadows — 41.4°F
  10. McCall — 41.5°F

Wettest cities

  1. Stites — in/yr
  2. Kooskia — in/yr
  3. Sugar City — in/yr
  4. Teton — in/yr
  5. Leadore — in/yr
  6. Mountain Home — in/yr
  7. Hope — 87.6 in/yr
  8. East Hope — 87.6 in/yr
  9. Clark Fork — 58.2 in/yr
  10. Island Park — 46.1 in/yr

Driest cities

  1. Grand View — 6.7 in/yr
  2. Challis — 6.9 in/yr
  3. Melba — 7.9 in/yr
  4. Moore — 8.8 in/yr
  5. Arco — 8.8 in/yr
  6. Butte City — 8.8 in/yr
  7. Twin Falls — 9.2 in/yr
  8. Salmon — 9.5 in/yr
  9. Malta — 9.6 in/yr
  10. Aberdeen — 9.6 in/yr

All Idaho cities

Weather stations in Idaho → National climate rankings →