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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.
Weather in January. January, the same as December, in Ketchum, Idaho, is a freezing cold winter month, with temperature in the range of an average high of 26.8°F (-2.9°C) and an average low of 8.4°F (-13.1°C). The advent of January denotes an average high-temperature of a still subzero cold 26.8°F (-2.9°C), subtly different from December ...
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 month that sees the most relative humidity is December (34.70 %). The month with the lowest amount of relative humidity is August (34.70 %). The month with the highest amount of rainfall is April (12.07 days), whereas the one with the lowest precipitation level is July (5.00). Ketchum weather and climate for every month
Annual Weather Averages in Jerome County Airport. Jerome County Airport is 66 miles from Ketchum, so the actual climate in Ketchum can vary a bit. Based on weather reports collected during 1992–2021.
Monthly weather averages for Ketchum. Monthly recordings for day and night air temperature, precipitations, day length, wind strength.
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?
