Big Sandy, Wednesday, 7 October, 17:47
Overcast. Feels like 69°. High 72°, low 45°.
In December, Big Sandy, MT averages a high of 31.1° and a low of 15.6°. About 0.9 inches of precipitation fall over the month (6 wet days). The record high is 65.7° (2021) and the record low -45.6° (1983). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 35.2° | 19.4° | 15% | 65.7° (2021) | -20.4° (1985) |
| 2 | 34.7° | 19.6° | 30% | 58.1° (2021) | -27.4° (1985) |
| 3 | 35.6° | 19° | 17% | 55.6° (1987) | -17° (1972) |
| 4 | 35.1° | 18.9° | 12% | 55.4° (1987) | -29.9° (1972) |
| 5 | 32.4° | 17.4° | 22% | 59.7° (2023) | -19.1° (1972) |
| 6 | 32° | 16.5° | 20% | 58.8° (1987) | -22° (1972) |
| 7 | 31.5° | 16.7° | 15% | 50.9° (1970) | -24.9° (1972) |
| 8 | 32.2° | 16° | 15% | 55.2° (1990) | -30.6° (1972) |
| 9 | 33.8° | 17.6° | 18% | 55.4° (1979) | -36.4° (1977) |
| 10 | 34.7° | 18.7° | 23% | 52° (2014) | -20.4° (1961) |
| 11 | 34.3° | 18.7° | 22% | 54.3° (2004) | -24.9° (1961) |
| 12 | 33.3° | 19.4° | 32% | 52.9° (2014) | -21.1° (1961) |
| 13 | 32.5° | 17.8° | 17% | 55.8° (1998) | -9.4° (2008) |
| 14 | 32.7° | 18° | 27% | 50.7° (2002) | -26.3° (2008) |
| 15 | 33.1° | 16.7° | 20% | 55.9° (1962) | -32.8° (2008) |
| 16 | 33.3° | 16.9° | 13% | 58.3° (1980) | -38.6° (1964) |
| 17 | 32.9° | 17.1° | 20% | 54.5° (1976) | -33.7° (1964) |
| 18 | 30.7° | 14° | 18% | 50.9° (1988) | -21.3° (1983) |
| 19 | 29.3° | 15.1° | 18% | 53.4° (2004) | -22.4° (1961) |
| 20 | 30° | 14.5° | 17% | 51.1° (1994) | -27.2° (2022) |
| 21 | 29.1° | 14.9° | 23% | 50.9° (1974) | -31.2° (1989) |
| 22 | 28.2° | 12.9° | 25% | 48.2° (2023) | -35.5° (1989) |
| 23 | 27.9° | 10.9° | 27% | 46.4° (2024) | -34.4° (2022) |
| 24 | 29.3° | 13.1° | 17% | 50.5° (2005) | -45.6° (1983) |
| 25 | 29.7° | 14.2° | 13% | 52.3° (2005) | -36.9° (1983) |
| 26 | 29.3° | 15.3° | 17% | 54° (1980) | -24.3° (2017) |
| 27 | 29.3° | 14.2° | 20% | 57.6° (1980) | -25.2° (2017) |
| 28 | 27.3° | 11.8° | 25% | 53.2° (2011) | -31° (1968) |
| 29 | 25° | 9.9° | 33% | 50.2° (1980) | -44.3° (1968) |
| 30 | 25.7° | 9.1° | 25% | 50° (1980) | -38.2° (1968) |
| 31 | 24.8° | 9.7° | 20% | 52.2° (1963) | -32.6° (1978) |