October weather in Ketchum, ID
The average temperature in Ketchum in October is 41.8°F (27.7°F–55.9°F). Average precipitation: 1.40 inches. Average snowfall is 1.6 inches.
October is a fall month in Ketchum, and is warmer than the annual average of 40.2°F. Daily temperatures swing about 28.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 46m. For travel, October is cool.
Avg High
55.9°F
Avg Low
27.7°F
Precipitation
1.40 in
Snow
1.6 in
October records in Ketchum
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 79.0°F (1992) | 16.0°F (2009) | 0.60 in (1983) |
| October 2 | 82.0°F (2010) | 19.9°F (2019) | 0.20 in (1998) |
| October 3 | 80.1°F (2010) | 18.0°F (1973) | 0.42 in (1989) |
| October 4 | 78.1°F (1980) | 17.1°F (1974) | 0.57 in (1992) |
| October 5 | 78.1°F (1980) | 17.1°F (1974) | 1.17 in (1994) |
| October 6 | 78.1°F (1980) | 12.0°F (1974) | 1.31 in (2011) |
| October 7 | 77.0°F (1980) | 16.0°F (2024) | 0.27 in (1975) |
| October 8 | 75.0°F (1979) | 12.9°F (2012) | 0.41 in (2000) |
| October 9 | 75.0°F (1988) | 10.0°F (1985) | 0.60 in (1983) |
| October 10 | 75.9°F (1996) | 9.0°F (1985) | 0.81 in (2006) |
| October 11 | 77.0°F (1996) | 10.0°F (1985) | 1.09 in (2000) |
| October 12 | 73.0°F (2024) | 14.0°F (2012) | 0.77 in (2021) |
| October 13 | 75.0°F (1991) | 15.1°F (1986) | 0.26 in (1975) |
| October 14 | 75.0°F (1991) | 15.1°F (1995) | 0.96 in (2009) |
| October 15 | 75.9°F (1991) | 15.1°F (1984) | 0.17 in (2009) |
| October 16 | 75.0°F (1991) | 12.0°F (1984) | 0.25 in (2012) |
| October 17 | 77.0°F (2015) | 6.1°F (1996) | 0.39 in (2011) |
| October 18 | 73.9°F (1973) | 12.0°F (1984) | 0.57 in (2004) |
| October 19 | 73.9°F (1974) | 10.9°F (1982) | 1.00 in (1979) |
| October 20 | 72.0°F (2023) | 8.1°F (1996) | 0.58 in (2004) |
| October 21 | 72.0°F (2003) | 6.1°F (1996) | 0.05 in (2011) |
| October 22 | 75.0°F (2003) | 12.0°F (1984) | 0.45 in (1979) |
| October 23 | 77.0°F (2003) | 10.9°F (1984) | 0.54 in (1985) |
| October 24 | 66.9°F (2003) | 10.9°F (2012) | 0.62 in (1989) |
| October 25 | 68.0°F (1999) | 10.9°F (2012) | 1.58 in (2010) |
| October 26 | 68.0°F (1992) | 14.0°F (2012) | 0.96 in (1991) |
| October 27 | 71.1°F (2005) | 12.9°F (2010) | 0.86 in (1991) |
| October 28 | 71.1°F (2003) | 7.0°F (1991) | 0.77 in (1975) |
| October 29 | 66.9°F (1987) | 6.1°F (1991) | 0.70 in (2000) |
| October 30 | 66.0°F (1987) | -2.0°F (1991) | 1.00 in (2002) |
| October 31 | 64.9°F (2012) | -2.0°F (1991) | 0.42 in (2001) |