December weather in Geraldine, MT
The average temperature in Geraldine in December is 27.1°F (15.6°F–38.7°F). Average precipitation: 0.59 inches.
December is a winter month in Geraldine, and is cooler than the annual average of 46.9°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 14m. For travel, December is cold.
Avg High
38.7°F
Avg Low
15.6°F
Precipitation
0.59 in
Daylight
8h 14m
December records in Geraldine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (1951) | -23.1°F (1985) | 0.41 in (1978) |
| December 2 | 64.9°F (1959) | -29.0°F (1985) | 0.58 in (1977) |
| December 3 | 64.9°F (1987) | -18.0°F (1972) | 0.11 in (1959) |
| December 4 | 66.9°F (1988) | -26.0°F (1972) | 0.31 in (1978) |
| December 5 | 59.0°F (1981) | -20.0°F (1956) | 0.22 in (1989) |
| December 6 | 63.0°F (1987) | -27.9°F (1972) | 0.33 in (1977) |
| December 7 | 59.0°F (1970) | -27.9°F (1956) | 0.49 in (1958) |
| December 8 | 64.0°F (1990) | -38.0°F (1972) | 0.16 in (1983) |
| December 9 | 68.0°F (1979) | -31.0°F (1972) | 0.20 in (1963) |
| December 10 | 62.1°F (1993) | -16.1°F (1963) | 0.27 in (1995) |
| December 11 | 63.0°F (1993) | -23.1°F (1963) | 0.12 in (1984) |
| December 12 | 55.9°F (1952) | -20.9°F (2000) | 0.29 in (1951) |
| December 13 | 66.0°F (1998) | -24.0°F (1963) | 0.35 in (1951) |
| December 14 | 63.0°F (1969) | -14.1°F (1951) | 0.62 in (1989) |
| December 15 | 66.9°F (1962) | -24.0°F (1964) | 0.26 in (1951) |
| December 16 | 63.0°F (1976) | -29.9°F (1979) | 0.22 in (1951) |
| December 17 | 66.9°F (1976) | -27.0°F (1964) | 0.35 in (1967) |
| December 18 | 63.0°F (1979) | -29.0°F (1955) | 0.36 in (1951) |
| December 19 | 63.0°F (2004) | -26.0°F (1983) | 0.25 in (1960) |
| December 20 | 61.0°F (1954) | -24.0°F (1990) | 0.21 in (1989) |
| December 21 | 60.1°F (1954) | -36.0°F (1989) | 0.47 in (1966) |
| December 22 | 61.0°F (1954) | -36.0°F (1989) | 0.67 in (1951) |
| December 23 | 59.0°F (1999) | -26.0°F (2004) | 0.47 in (1984) |
| December 24 | 60.1°F (1963) | -41.1°F (1983) | 0.21 in (1967) |
| December 25 | 64.9°F (2005) | -35.0°F (1983) | 0.27 in (1950) |
| December 26 | 60.1°F (1956) | -27.9°F (1996) | 0.23 in (1968) |
| December 27 | 64.0°F (1999) | -22.0°F (1965) | 0.68 in (2003) |
| December 28 | 64.9°F (1999) | -29.0°F (1968) | 0.24 in (1953) |
| December 29 | 69.1°F (1956) | -41.1°F (1968) | 0.49 in (1996) |
| December 30 | 62.1°F (1956) | -27.9°F (1968) | 0.41 in (1977) |
| December 31 | 60.1°F (1963) | -27.9°F (1992) | 0.63 in (1950) |