December weather in Melstone, MT
The average temperature in Melstone in December is 26.0°F (16.2°F–35.7°F). Average precipitation: 0.53 inches. Average snowfall is 8.0 inches.
December is a winter month in Melstone, and is cooler than the annual average of 47.2°F. Daily temperatures swing about 19.5°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 23m. For travel, December is cold.
Avg High
35.7°F
Avg Low
16.2°F
Precipitation
0.53 in
Snow
8.0 in
December records in Melstone
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (2021) | -25.1°F (1985) | 0.20 in (1982) |
| December 2 | 66.0°F (1959) | -27.9°F (1985) | 0.50 in (2025) |
| December 3 | 64.0°F (1941) | -15.0°F (1972) | 0.50 in (1933) |
| December 4 | 69.1°F (1979) | -18.0°F (1972) | 0.50 in (1978) |
| December 5 | 71.1°F (1939) | -27.9°F (1972) | 0.37 in (1989) |
| December 6 | 66.9°F (1939) | -27.0°F (1972) | 0.35 in (1977) |
| December 7 | 62.1°F (2024) | -32.1°F (2013) | 0.48 in (1958) |
| December 8 | 64.9°F (1957) | -32.1°F (1972) | 0.40 in (1929) |
| December 9 | 69.1°F (1957) | -29.0°F (1932) | 0.26 in (2000) |
| December 10 | 64.9°F (1939) | -15.0°F (1932) | 0.24 in (1933) |
| December 11 | 64.0°F (2004) | -29.0°F (1932) | 0.20 in (1984) |
| December 12 | 68.0°F (2017) | -26.0°F (1922) | 0.88 in (1937) |
| December 13 | 64.0°F (1960) | -25.1°F (1963) | 0.55 in (2025) |
| December 14 | 64.0°F (1952) | -20.0°F (1945) | 0.37 in (1989) |
| December 15 | 69.1°F (1980) | -32.1°F (1945) | 0.42 in (1989) |
| December 16 | 68.0°F (1942) | -27.0°F (1964) | 0.20 in (1946) |
| December 17 | 64.0°F (1980) | -32.1°F (1964) | 0.18 in (1929) |
| December 18 | 66.9°F (1931) | -29.9°F (1983) | 0.28 in (1973) |
| December 19 | 63.0°F (2004) | -22.0°F (1929) | 0.31 in (1951) |
| December 20 | 64.0°F (1941) | -26.0°F (1951) | 0.40 in (1934) |
| December 21 | 62.1°F (2024) | -34.1°F (1989) | 0.50 in (1966) |
| December 22 | 64.9°F (1957) | -34.1°F (1989) | 0.25 in (2021) |
| December 23 | 62.1°F (1957) | -31.0°F (2022) | 1.03 in (1955) |
| December 24 | 60.1°F (1960) | -43.1°F (1983) | 0.31 in (2013) |
| December 25 | 63.0°F (1947) | -33.0°F (1983) | 0.22 in (1988) |
| December 26 | 61.0°F (1947) | -27.0°F (1996) | 0.80 in (2003) |
| December 27 | 68.0°F (1980) | -27.9°F (1916) | 0.75 in (2003) |
| December 28 | 62.1°F (1999) | -29.0°F (1916) | 0.22 in (2006) |
| December 29 | 66.0°F (1956) | -32.1°F (1968) | 0.39 in (2010) |
| December 30 | 62.1°F (1980) | -38.0°F (1968) | 0.39 in (1977) |
| December 31 | 59.0°F (1963) | -27.0°F (2021) | 0.19 in (2013) |