Ketchum, ID experiences a four-season climate characterized by cold winters and mild summers. The area receives a significant amount of snowfall during winter months, making it a popular destination for winter sports enthusiasts. Summers in Ketchum are relatively short and warm, with average temperatures ranging from the 70s to low 80s Fahrenheit.
The climate in Ketchum is classified as a semi-arid climate with cold, snowy winters and warm, dry summers. The average annual temperature ranges from around 21°F (-6°C) in winter to 70°F (21°C) in summer. Ketchum receives an average of 84 inches (213 cm) of snowfall per year and has about 220 days of sunshine annually. The area is known for its relatively low humidity and clear blue skies.