October weather in St. Ignatius, MT
The average temperature in St. Ignatius in October is 47.0°F (34.6°F–59.3°F). Average precipitation: 1.28 inches.
October is a fall month in St. Ignatius, and is cooler than the annual average of 47.7°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 35m. For travel, October is cool.
Avg High
59.3°F
Avg Low
34.6°F
Precipitation
1.28 in
Daylight
10h 35m
October records in St. Ignatius
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 82.0°F (1963) | 19.0°F (2021) | 0.94 in (2000) |
| October 2 | 80.1°F (1913) | 26.1°F (1898) | 1.96 in (1946) |
| October 3 | 81.0°F (2022) | 23.0°F (1950) | 0.64 in (1957) |
| October 4 | 82.9°F (1970) | 21.9°F (1973) | 1.20 in (1914) |
| October 5 | 81.0°F (1958) | 23.0°F (1981) | 1.39 in (1914) |
| October 6 | 84.9°F (1942) | 19.9°F (1974) | 0.56 in (1970) |
| October 7 | 87.1°F (1980) | 21.0°F (1898) | 1.22 in (1993) |
| October 8 | 82.0°F (1980) | 18.0°F (1985) | 0.81 in (2010) |
| October 9 | 79.0°F (1980) | 16.0°F (1985) | 0.75 in (1983) |
| October 10 | 77.0°F (1989) | 14.0°F (2009) | 0.42 in (1970) |
| October 11 | 82.0°F (1897) | 12.9°F (2009) | 0.60 in (1984) |
| October 12 | 81.0°F (2021) | 9.0°F (2009) | 0.55 in (1962) |
| October 13 | 78.1°F (1976) | 16.0°F (1928) | 0.42 in (1972) |
| October 14 | 77.0°F (1958) | 9.0°F (2009) | 0.37 in (2001) |
| October 15 | 82.9°F (1991) | 19.9°F (1913) | 0.41 in (1980) |
| October 16 | 82.0°F (1991) | 19.0°F (1946) | 0.60 in (2006) |
| October 17 | 77.0°F (1961) | 17.1°F (1948) | 0.39 in (1933) |
| October 18 | 81.0°F (1936) | 17.1°F (1976) | 0.87 in (1916) |
| October 19 | 79.0°F (1940) | 16.0°F (1976) | 0.52 in (1979) |
| October 20 | 78.1°F (1940) | 18.0°F (1976) | 0.65 in (1961) |
| October 21 | 82.0°F (2003) | 16.0°F (1984) | 0.52 in (1975) |
| October 22 | 75.0°F (1969) | 18.0°F (1981) | 0.80 in (1957) |
| October 23 | 75.0°F (1939) | 18.0°F (1991) | 0.39 in (1898) |
| October 24 | 77.0°F (2007) | 12.0°F (1919) | 0.74 in (2022) |
| October 25 | 79.0°F (1924) | 3.0°F (1919) | 1.50 in (2021) |
| October 26 | 75.9°F (2021) | 14.0°F (2002) | 0.47 in (1984) |
| October 27 | 73.0°F (1935) | 15.1°F (1925) | 0.79 in (1917) |
| October 28 | 73.0°F (1937) | 0.0°F (1971) | 0.47 in (1925) |
| October 29 | 72.0°F (1937) | 0.0°F (1971) | 0.56 in (1996) |
| October 30 | 66.9°F (1999) | 3.0°F (1991) | 0.26 in (1933) |
| October 31 | 71.1°F (1988) | -7.1°F (1935) | 0.45 in (1990) |