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Aug 26, 2017 · The warm season lasts for 3.0 months, from June 13 to September 12, with an average daily high temperature above 70°F. The hottest month of the year in Ketchum is July, with an average high of 80°F and low of 47°F. The cold season lasts for 3.4 months, from November 18 to February 28, with an average daily high temperature below 37°F.
The area receives very little rainfall throughout the year, with just over 10 inches annually. The area is also known for its low humidity levels, making it a comfortable place to be all year long. Ketchum, Idaho gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year. Ketchum averages 102 inches of snow per year.
Weather in April. April, the same as March, is a wintry spring month in Ketchum, Idaho, with temperature in the range of an average high of 39.9°F and an average low of 23.4°F. April brings a slight rise in Ketchum's average high-temperature, moving from a wintry 32.2°F in March to a still icy 39.9°F. Weather in April ».
The best time of year to visit Ketchum in the United States of America. During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C. Other facts from our historical weather data: Does Ketchum have a dry season?
Jerome County Airport is 66 miles from City of Ketchum, so the actual climate in City of Ketchum can vary a bit. Based on weather reports collected during 1985–2015. Showing: All Year January February March April May June July August September October November December
average temperature by month Ketchum. On average, the month of July experiences the highest temperature with an average value of 17.9 °C | 64.2 °F. On average, the month of December is considered to be the coldest time of year with temperatures averaging at around -9.4 °C | 15.1 °F.
Ketchum, ID Weather. The most pleasant months of the year for Ketchum are August, July and June. In Ketchum, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Ketchum with an average high temperature of 81.8°, which ranks it as cooler than most places in Idaho.
