1. Northern Idaho:
- Climate Type: Temperate Continental
- Characteristics: This region experiences cold, snowy winters and relatively cool summers. The average winter temperature ranges from 20 to 30°F, while the average summer temperature ranges from 65 to 75°F. Northern Idaho receives abundant precipitation, with annual totals exceeding 20 inches, mostly in the form of snowfall.
2. Southern Idaho:
- Climate Type: Semi-Arid Continental
- Characteristics: Southern Idaho experiences hot, dry summers and mild to cold winters. The average winter temperature ranges from 30 to 40°F, while the average summer temperature can exceed 90°F. The region receives limited precipitation, with annual totals ranging from 10 to 15 inches, primarily during the winter and spring seasons.
3. Central Idaho:
- Climate Type: Continental
- Characteristics: Central Idaho's climate is characterized by moderate temperatures and moderate precipitation. The average winter temperature ranges from 25 to 35°F, while the average summer temperature ranges from 70 to 80°F. The region receives an annual precipitation of around 15 to 20 inches, with snowfall in the winter and rain during the spring and summer months.
4. Eastern Idaho:
- Climate Type: Continental or Semi-Arid
- Characteristics: Eastern Idaho's climate varies depending on elevation. The lower elevations exhibit a semi-arid climate with hot summers and cold winters. The average winter temperature ranges from 20 to 30°F, while the average summer temperature exceeds 85°F. The higher elevations experience a continental climate with cooler summers and colder winters. Precipitation amounts are relatively low, ranging from 10 to 15 inches annually.
5. Western Idaho:
- Climate Type: Marine West Coast
- Characteristics: Western Idaho is influenced by the Pacific Ocean and experiences a marine west coast climate. This region has mild, wet winters and cool, dry summers. The average winter temperature ranges from 35 to 45°F, while the average summer temperature is around 70°F. Western Idaho receives abundant precipitation, with annual totals often exceeding 30 inches, primarily in the form of rainfall.
Overall, Idaho's climate is diverse and varies significantly across its different regions, with temperature and precipitation patterns influenced by elevation, proximity to the Pacific Ocean, and local topography.