October weather in Terry, MT
The average temperature in Terry in October is 45.9°F (32.7°F–59.1°F). Average precipitation: 0.92 inches. Average snowfall is 0.2 inches.
October is a fall month in Terry, and is warmer than the annual average of 45.3°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 37m. For travel, October is cool.
Avg High
59.1°F
Avg Low
32.7°F
Precipitation
0.92 in
Snow
0.2 in
October records in Terry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.9°F (1989) | 18.0°F (1985) | 0.73 in (1977) |
| October 2 | 93.9°F (1953) | 19.0°F (1985) | 2.10 in (1971) |
| October 3 | 93.0°F (1997) | 19.0°F (1999) | 0.72 in (1971) |
| October 4 | 89.1°F (1987) | 21.9°F (1988) | 0.38 in (1998) |
| October 5 | 93.9°F (1963) | 19.0°F (1976) | 0.85 in (2005) |
| October 6 | 90.0°F (2021) | 10.0°F (1952) | 0.45 in (2009) |
| October 7 | 89.1°F (1975) | 12.0°F (1990) | 0.82 in (1977) |
| October 8 | 90.0°F (1975) | 19.0°F (1990) | 1.48 in (1993) |
| October 9 | 87.1°F (1980) | 19.0°F (1985) | 1.59 in (2021) |
| October 10 | 89.1°F (1955) | 16.0°F (1987) | 0.44 in (2010) |
| October 11 | 91.9°F (1955) | 18.0°F (1977) | 0.75 in (1998) |
| October 12 | 87.1°F (1995) | 16.0°F (1986) | 0.61 in (1981) |
| October 13 | 84.9°F (1958) | 16.0°F (2006) | 0.79 in (2021) |
| October 14 | 84.9°F (1964) | 17.1°F (1978) | 0.94 in (2008) |
| October 15 | 84.9°F (1964) | 16.0°F (1966) | 0.51 in (1962) |
| October 16 | 84.9°F (1961) | 10.9°F (1989) | 1.27 in (1980) |
| October 17 | 86.0°F (1991) | 10.9°F (1969) | 1.13 in (2025) |
| October 18 | 86.0°F (2003) | 12.0°F (1969) | 0.48 in (1949) |
| October 19 | 82.0°F (1955) | 8.1°F (1960) | 0.56 in (1971) |
| October 20 | 82.9°F (2003) | 5.0°F (1987) | 0.25 in (2025) |
| October 21 | 80.1°F (1974) | 18.0°F (1982) | 0.94 in (1953) |
| October 22 | 86.0°F (2003) | 9.0°F (2002) | 0.67 in (1953) |
| October 23 | 77.0°F (1983) | 5.0°F (2020) | 0.19 in (2012) |
| October 24 | 79.0°F (1992) | 7.0°F (2020) | 0.20 in (2004) |
| October 25 | 82.9°F (2007) | 9.0°F (2020) | 0.26 in (2023) |
| October 26 | 80.1°F (2017) | 1.0°F (2020) | 0.56 in (1996) |
| October 27 | 78.1°F (1960) | 1.9°F (2023) | 0.48 in (1989) |
| October 28 | 80.1°F (1983) | 1.9°F (1988) | 0.05 in (1967) |
| October 29 | 78.1°F (1968) | 3.9°F (1991) | 0.67 in (2003) |
| October 30 | 75.9°F (1968) | -9.0°F (1991) | 0.10 in (2004) |
| October 31 | 79.0°F (1950) | -2.9°F (1991) | 0.80 in (2023) |