March weather in Ketchum, ID
The average temperature in Ketchum in March is 30.6°F (18.7°F–42.6°F). Average precipitation: 1.76 inches. Average snowfall is 10.5 inches.
March is a spring month in Ketchum, and is cooler than the annual average of 40.2°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 42m. For travel, March is cold.
Avg High
42.6°F
Avg Low
18.7°F
Precipitation
1.76 in
Snow
10.5 in
March records in Ketchum
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 54.0°F (1986) | -6.0°F (1993) | 0.58 in (1974) |
| March 2 | 55.0°F (2025) | -9.9°F (1976) | 1.64 in (2018) |
| March 3 | 55.0°F (2025) | -9.9°F (1976) | 0.33 in (1998) |
| March 4 | 57.0°F (2022) | -8.0°F (1976) | 1.22 in (1991) |
| March 5 | 57.0°F (1987) | -11.9°F (1976) | 1.09 in (1991) |
| March 6 | 52.0°F (1979) | -9.9°F (1976) | 1.14 in (1987) |
| March 7 | 54.0°F (1986) | -6.0°F (2023) | 0.41 in (2013) |
| March 8 | 59.0°F (2015) | -11.9°F (2024) | 0.62 in (1986) |
| March 9 | 57.0°F (2026) | -7.1°F (2024) | 0.98 in (1989) |
| March 10 | 57.0°F (2015) | -0.9°F (1974) | 1.45 in (1995) |
| March 11 | 60.1°F (2015) | -2.9°F (2006) | 2.76 in (1995) |
| March 12 | 57.0°F (2005) | -2.9°F (2009) | 0.40 in (1974) |
| March 13 | 59.0°F (1992) | 0.0°F (2006) | 0.70 in (1991) |
| March 14 | 60.1°F (1992) | 6.1°F (2006) | 0.76 in (1983) |
| March 15 | 62.1°F (1992) | 5.0°F (1977) | 1.08 in (2023) |
| March 16 | 63.0°F (1994) | 3.0°F (1980) | 0.83 in (2011) |
| March 17 | 63.0°F (2007) | -0.9°F (1975) | 0.73 in (2012) |
| March 18 | 68.0°F (2026) | 0.0°F (2002) | 0.92 in (2012) |
| March 19 | 71.1°F (2026) | -2.0°F (2002) | 0.66 in (1975) |
| March 20 | 72.0°F (2026) | 1.9°F (1983) | 0.28 in (2025) |
| March 21 | 72.0°F (2026) | 3.0°F (1974) | 0.91 in (1995) |
| March 22 | 64.9°F (2004) | 3.9°F (1974) | 0.67 in (1975) |
| March 23 | 63.0°F (2004) | 3.9°F (1975) | 1.19 in (2018) |
| March 24 | 66.0°F (2004) | 3.9°F (1975) | 0.50 in (1998) |
| March 25 | 63.0°F (2026) | 9.0°F (1994) | 0.45 in (1989) |
| March 26 | 64.9°F (2026) | 5.0°F (1985) | 1.20 in (1993) |
| March 27 | 62.1°F (2025) | 3.0°F (1991) | 0.93 in (1985) |
| March 28 | 62.1°F (1986) | -5.1°F (1975) | 0.76 in (1974) |
| March 29 | 66.9°F (1986) | -6.0°F (1975) | 0.35 in (2006) |
| March 30 | 64.9°F (1986) | -0.9°F (1975) | 1.03 in (2010) |
| March 31 | 64.9°F (2004) | 5.0°F (2008) | 0.83 in (2012) |