Ketchum Weather Records

Ketchum, Idaho weather averages and records from 1937–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Ketchum, Idaho was 98 °F which occurred on July 13, 2002.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Ketchum, Idaho was -46 °F which occurred on February 2, 1950.
Lowest Temperatures: All-Time By Year
Ketchum Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 32.0 7.5 54 -42 2.1 27.0
February 35.7 10.9 56 -46 1.5 16.4
March 43.3 18.2 67 -28 1.8 10.5
April 52.7 26.4 79 -4 1.3 3.9
May 62.6 34.3 89 5 1.8 0.2
June 69.9 39.4 97 17 1.6 0.0
July 80.8 44.5 98 14 0.5 0.0
August 79.4 42.6 96 16 0.4 0.0
September 70.0 35.6 93 11 0.7 0.0
October 56.4 27.1 85 -3 1.5 1.9
November 41.7 16.8 69 -25 1.2 10.7
December 31.0 8.8 60 -37 2.8 29.6
Entire year 54.7 26.1 98 -46 17.6 104.1
More Ketchum Weather Records
1937–2022
Highest daily low 62 °F July 24, 2007
Lowest daily high -6 °F December 23, 1990
Greatest daily range
(Difference of high and low)
66 °F September 7, 1944
Difference in high temperature
over two conscutive days
31 °F Feb 3–4, 2007
Most daily precipitation 2.8 inches March 11, 1995
Most monthly precipitation 11.4 inches December 1964
Most yearly precipitation 28.0 inches 1983
Earliest freeze July 1 1993
Latest freeze June 30 1993
Earliest snow in season September 16 1965
Latest snow in season May 27 1998
Most daily snow 38.0 inches February 11, 1959
Most monthly snow 96.9 inches December 1964
Most yearly snow 230.3 inches 1952
Most days in a year ≥ 80 °F 79 1966
Most days in a year ≥ 90 °F 16 2003
Ketchum Weather Streaks
Most consecutive days...
With precipitation 13 days May 4–16, 1995
Without precipitation 75 days Oct 10 – Dec 23, 1959
With snow 11 days Feb 13–23, 1986
Freezing temperatures
High temperature ≤ 32 °F
30 days Jan 14 – Feb 12, 1949
High temperature ≥ 80 °F 44 days Jul 17 – Aug 29, 1969
High temperature ≥ 90 °F 9 days Jul 15–23, 1960
Facts About Ketchum Weather
Ketchum Weather by Year
More
Compare Ketchum to
Weather Station Details
Years Station Coordinates
1973–2022 Ketchum location
1937–1972 Sun Valley location