October weather in Ennis, MT
The average temperature in Ennis in October is 43.3°F (29.0°F–57.6°F). Average precipitation: 1.14 inches. Average snowfall is 2.2 inches.
October is a fall month in Ennis, and is warmer than the annual average of 42.7°F. Daily temperatures swing about 28.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 41m. For travel, October is cool.
Avg High
57.6°F
Avg Low
29.0°F
Precipitation
1.14 in
Snow
2.2 in
October records in Ennis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (1992) | 17.1°F (1950) | 0.47 in (2000) |
| October 2 | 84.9°F (1992) | 18.0°F (1950) | 0.47 in (2005) |
| October 3 | 86.0°F (2010) | 19.9°F (1999) | 0.62 in (1976) |
| October 4 | 90.0°F (2010) | 18.0°F (1932) | 0.70 in (1992) |
| October 5 | 82.9°F (2024) | 16.0°F (2012) | 1.16 in (2018) |
| October 6 | 82.0°F (2021) | 12.0°F (2012) | 0.60 in (1918) |
| October 7 | 81.0°F (2020) | 14.0°F (2000) | 1.07 in (2006) |
| October 8 | 84.0°F (1921) | 14.0°F (1985) | 0.59 in (1975) |
| October 9 | 82.9°F (1922) | 1.9°F (1985) | 1.49 in (1938) |
| October 10 | 82.9°F (1996) | 10.9°F (2009) | 0.31 in (1930) |
| October 11 | 81.0°F (1991) | 12.0°F (2009) | 0.54 in (2021) |
| October 12 | 82.9°F (1950) | 8.1°F (2009) | 0.86 in (2025) |
| October 13 | 80.1°F (1950) | 8.1°F (1969) | 0.45 in (1966) |
| October 14 | 80.1°F (1958) | 10.0°F (1969) | 0.56 in (1968) |
| October 15 | 82.0°F (2024) | 12.0°F (1930) | 2.12 in (1935) |
| October 16 | 81.0°F (2024) | 6.1°F (1930) | 0.79 in (2006) |
| October 17 | 78.1°F (1974) | 1.0°F (1930) | 0.71 in (2006) |
| October 18 | 81.0°F (2015) | 12.9°F (1949) | 0.52 in (2007) |
| October 19 | 78.1°F (1974) | 12.0°F (1949) | 0.35 in (1956) |
| October 20 | 84.9°F (1927) | 12.9°F (1984) | 0.58 in (2015) |
| October 21 | 82.9°F (1921) | 10.9°F (1984) | 0.85 in (1953) |
| October 22 | 82.9°F (2003) | 12.9°F (2008) | 0.59 in (1975) |
| October 23 | 78.1°F (2003) | 5.0°F (2020) | 1.24 in (2022) |
| October 24 | 75.0°F (1933) | 8.1°F (1919) | 0.53 in (1951) |
| October 25 | 75.0°F (2005) | -8.0°F (1919) | 0.44 in (1930) |
| October 26 | 73.9°F (1922) | -11.0°F (2020) | 0.80 in (2021) |
| October 27 | 75.0°F (1937) | -4.0°F (1919) | 0.86 in (1991) |
| October 28 | 73.9°F (1987) | 5.0°F (2019) | 0.38 in (1961) |
| October 29 | 77.0°F (2008) | -8.0°F (1991) | 0.99 in (2004) |
| October 30 | 73.0°F (1962) | -11.9°F (1991) | 0.67 in (1933) |
| October 31 | 71.1°F (1965) | -8.0°F (1935) | 0.61 in (2016) |