December weather in Ketchum, OK
The average temperature in Ketchum in December is 40.5°F (30.2°F–50.8°F). Average precipitation: 2.53 inches. Average snowfall is 0.9 inches.
December is a winter month in Ketchum, and is cooler than the annual average of 59.8°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 31m. For travel, December is cool.
Avg High
50.8°F
Avg Low
30.2°F
Precipitation
2.53 in
Snow
0.9 in
December records in Ketchum
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (1931) | 12.0°F (1985) | 1.05 in (2006) |
| December 2 | 75.0°F (1931) | 8.1°F (1985) | 1.03 in (1993) |
| December 3 | 73.9°F (1931) | 10.9°F (1929) | 1.20 in (1990) |
| December 4 | 77.0°F (2021) | 15.1°F (2006) | 1.80 in (1973) |
| December 5 | 75.9°F (1998) | 15.1°F (2005) | 1.09 in (1999) |
| December 6 | 73.9°F (1931) | 1.0°F (1950) | 1.50 in (1935) |
| December 7 | 75.9°F (1966) | 7.0°F (1950) | 1.30 in (2004) |
| December 8 | 75.0°F (1991) | 5.0°F (1927) | 1.60 in (1980) |
| December 9 | 71.1°F (1993) | 8.1°F (1937) | 1.73 in (1946) |
| December 10 | 72.0°F (1929) | 8.1°F (1937) | 2.02 in (2022) |
| December 11 | 75.0°F (1929) | 10.0°F (1957) | 1.62 in (1960) |
| December 12 | 73.0°F (1929) | 1.9°F (1962) | 2.30 in (1923) |
| December 13 | 69.1°F (1995) | 7.0°F (1961) | 1.87 in (2015) |
| December 14 | 78.1°F (1948) | 1.0°F (1958) | 3.85 in (1992) |
| December 15 | 78.1°F (1948) | -2.9°F (1989) | 1.41 in (1987) |
| December 16 | 75.0°F (1924) | -2.0°F (1989) | 1.08 in (1928) |
| December 17 | 71.1°F (1933) | 1.0°F (1979) | 1.56 in (2001) |
| December 18 | 72.0°F (1941) | 3.0°F (2016) | 1.30 in (1990) |
| December 19 | 69.1°F (1931) | -2.9°F (1945) | 1.27 in (1995) |
| December 20 | 70.0°F (1979) | 3.9°F (1973) | 1.75 in (1987) |
| December 21 | 69.1°F (1931) | -4.0°F (1989) | 2.08 in (1984) |
| December 22 | 72.0°F (1933) | -9.0°F (1989) | 1.56 in (2023) |
| December 23 | 72.0°F (1982) | -11.0°F (1989) | 4.20 in (1932) |
| December 24 | 75.0°F (1955) | -4.0°F (1983) | 2.64 in (1965) |
| December 25 | 73.0°F (1955) | -5.1°F (1983) | 2.18 in (1942) |
| December 26 | 78.1°F (2025) | 0.0°F (1983) | 1.71 in (1987) |
| December 27 | 80.1°F (2025) | 7.0°F (1925) | 1.70 in (1954) |
| December 28 | 80.1°F (2025) | 1.9°F (1925) | 3.85 in (2015) |
| December 29 | 71.1°F (2021) | -8.0°F (1983) | 1.38 in (2009) |
| December 30 | 78.1°F (1951) | -7.1°F (1983) | 1.87 in (2006) |
| December 31 | 75.9°F (1951) | 0.0°F (1976) | 1.71 in (1947) |