December weather in Miles City, MT
The average temperature in Miles City in December is 22.4°F (11.7°F–33.1°F). Average precipitation: 0.22 inches.
December is a winter month in Miles City, and is cooler than the annual average of 46.2°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 24m. For travel, December is cold.
Avg High
33.1°F
Avg Low
11.7°F
Precipitation
0.22 in
Daylight
8h 24m
December records in Miles City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (2021) | -22.0°F (1985) | 0.33 in (2018) |
| December 2 | 63.0°F (1949) | -33.0°F (1985) | 0.37 in (1982) |
| December 3 | 60.1°F (1943) | -18.0°F (1937) | 0.44 in (1941) |
| December 4 | 66.9°F (1979) | -20.9°F (1972) | 0.11 in (1948) |
| December 5 | 69.1°F (1939) | -26.9°F (2013) | 0.14 in (1966) |
| December 6 | 68.0°F (1939) | -29.7°F (2013) | 0.48 in (1971) |
| December 7 | 59.0°F (2024) | -35.9°F (2013) | 0.27 in (1958) |
| December 8 | 66.9°F (2020) | -28.8°F (2013) | 0.19 in (1966) |
| December 9 | 66.0°F (1957) | -35.0°F (1977) | 0.12 in (1970) |
| December 10 | 61.0°F (1956) | -20.9°F (2000) | 0.15 in (2025) |
| December 11 | 61.0°F (2004) | -20.0°F (2000) | 0.27 in (1963) |
| December 12 | 60.1°F (2017) | -24.0°F (2000) | 0.38 in (1937) |
| December 13 | 54.0°F (1988) | -25.1°F (1985) | 0.33 in (1951) |
| December 14 | 55.9°F (1939) | -24.0°F (1963) | 0.11 in (1982) |
| December 15 | 66.0°F (1980) | -26.0°F (1945) | 0.44 in (2024) |
| December 16 | 61.0°F (1942) | -27.0°F (1964) | 0.10 in (1963) |
| December 17 | 64.0°F (1998) | -29.0°F (1964) | 0.22 in (1985) |
| December 18 | 62.1°F (1979) | -25.1°F (1983) | 0.34 in (1968) |
| December 19 | 60.1°F (2004) | -18.9°F (1990) | 0.28 in (1951) |
| December 20 | 57.0°F (1954) | -31.0°F (1951) | 0.16 in (1944) |
| December 21 | 55.0°F (1954) | -29.9°F (1990) | 0.23 in (1960) |
| December 22 | 60.1°F (1954) | -34.1°F (1990) | 0.25 in (1972) |
| December 23 | 51.1°F (1963) | -33.0°F (1983) | 0.34 in (1977) |
| December 24 | 54.0°F (1963) | -38.0°F (1983) | 0.35 in (2013) |
| December 25 | 53.1°F (1963) | -32.1°F (1983) | 0.16 in (1965) |
| December 26 | 54.0°F (1976) | -25.1°F (1951) | 0.28 in (1969) |
| December 27 | 55.0°F (1956) | -19.8°F (2021) | 0.34 in (2003) |
| December 28 | 60.1°F (2011) | -20.0°F (1946) | 0.24 in (1978) |
| December 29 | 60.1°F (1956) | -27.9°F (1990) | 0.29 in (1998) |
| December 30 | 53.1°F (1980) | -27.9°F (1968) | 0.23 in (1977) |
| December 31 | 57.0°F (1963) | -29.9°F (1978) | 0.19 in (1975) |