October weather in Hamilton, MT
The average temperature in Hamilton in October is 43.9°F (30.9°F–56.8°F). Average precipitation: 0.94 inches.
October is a fall month in Hamilton, and is cooler than the annual average of 44.8°F. Daily temperatures swing about 25.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 39m. For travel, October is cool.
Avg High
56.8°F
Avg Low
30.9°F
Precipitation
0.94 in
Daylight
10h 39m
October records in Hamilton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (1901) | 21.0°F (1954) | 0.72 in (2000) |
| October 2 | 86.0°F (1901) | 24.1°F (1954) | 0.92 in (1946) |
| October 3 | 84.9°F (1963) | 19.9°F (1895) | 0.55 in (1916) |
| October 4 | 84.0°F (1993) | 21.9°F (1973) | 0.63 in (2016) |
| October 5 | 84.9°F (1958) | 21.9°F (1981) | 0.63 in (2010) |
| October 6 | 84.9°F (1942) | 15.1°F (1974) | 0.76 in (2011) |
| October 7 | 82.0°F (1987) | 19.9°F (1974) | 1.07 in (1975) |
| October 8 | 82.9°F (1965) | 19.0°F (1985) | 0.50 in (1901) |
| October 9 | 81.0°F (1921) | 12.0°F (1985) | 0.35 in (2018) |
| October 10 | 81.0°F (2015) | 16.0°F (2009) | 0.66 in (1962) |
| October 11 | 82.0°F (2015) | 15.1°F (2009) | 1.19 in (1911) |
| October 12 | 80.1°F (1900) | 9.0°F (2009) | 0.67 in (1962) |
| October 13 | 78.1°F (1901) | 9.0°F (2009) | 0.66 in (1934) |
| October 14 | 80.1°F (1901) | 10.9°F (1895) | 0.73 in (2020) |
| October 15 | 84.0°F (1991) | 10.0°F (1895) | 0.93 in (1938) |
| October 16 | 84.0°F (1901) | 15.1°F (1895) | 0.95 in (1934) |
| October 17 | 86.0°F (1901) | 10.0°F (1895) | 0.57 in (1988) |
| October 18 | 87.1°F (1901) | 10.0°F (1895) | 0.16 in (2004) |
| October 19 | 89.1°F (1901) | 10.0°F (1899) | 0.48 in (1979) |
| October 20 | 80.1°F (1901) | 15.1°F (1982) | 0.37 in (1933) |
| October 21 | 84.0°F (1901) | 16.0°F (1984) | 1.10 in (1975) |
| October 22 | 80.1°F (1901) | 16.0°F (1984) | 0.48 in (1957) |
| October 23 | 87.1°F (1901) | 17.1°F (2020) | 1.05 in (1967) |
| October 24 | 89.1°F (1901) | 15.1°F (2002) | 0.24 in (1951) |
| October 25 | 86.0°F (1901) | -5.1°F (2020) | 0.64 in (1946) |
| October 26 | 84.0°F (1901) | -2.9°F (2020) | 0.49 in (1975) |
| October 27 | 80.1°F (1901) | 8.1°F (2020) | 0.45 in (1956) |
| October 28 | 82.0°F (1901) | 6.1°F (1971) | 0.52 in (1967) |
| October 29 | 84.0°F (1901) | 1.0°F (2019) | 0.17 in (1933) |
| October 30 | 79.0°F (1901) | -2.0°F (2019) | 0.96 in (1997) |
| October 31 | 75.9°F (1901) | -0.9°F (1935) | 0.65 in (1973) |