October weather in Shelby, MT
The average temperature in Shelby in October is 42.6°F (29.0°F–56.2°F). Average precipitation: 0.74 inches. Average snowfall is 1.4 inches.
October is a fall month in Shelby, and is warmer than the annual average of 42.2°F. Daily temperatures swing about 27.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 32m. For travel, October is cool.
Avg High
56.2°F
Avg Low
29.0°F
Precipitation
0.74 in
Snow
1.4 in
October records in Shelby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (2011) | 8.1°F (2019) | 0.48 in (2014) |
| October 2 | 82.9°F (2008) | 12.9°F (2019) | 0.32 in (2014) |
| October 3 | 84.0°F (2010) | 16.0°F (2019) | 0.97 in (2017) |
| October 4 | 82.0°F (2011) | 12.9°F (2017) | 0.58 in (2005) |
| October 5 | 82.9°F (2021) | 7.0°F (2000) | 0.63 in (2025) |
| October 6 | 82.9°F (2021) | 18.0°F (1952) | 1.35 in (2011) |
| October 7 | 80.1°F (1952) | 10.0°F (2000) | 0.13 in (2011) |
| October 8 | 81.0°F (1952) | 15.1°F (2000) | 0.39 in (2011) |
| October 9 | 80.1°F (2024) | 14.0°F (2009) | 0.14 in (2019) |
| October 10 | 82.0°F (2015) | 5.0°F (2009) | 0.57 in (2016) |
| October 11 | 80.1°F (2015) | 10.0°F (2019) | 0.18 in (2016) |
| October 12 | 72.0°F (1950) | 5.0°F (2016) | 0.28 in (1992) |
| October 13 | 75.9°F (1953) | 7.0°F (2016) | 0.32 in (2020) |
| October 14 | 79.0°F (1953) | 16.0°F (2021) | 0.70 in (2004) |
| October 15 | 81.0°F (2024) | 15.1°F (2008) | 0.07 in (2003) |
| October 16 | 79.0°F (1954) | 14.0°F (1951) | 0.13 in (2004) |
| October 17 | 79.0°F (1954) | 15.1°F (1951) | 0.21 in (2006) |
| October 18 | 82.0°F (2003) | 12.9°F (1951) | 0.18 in (1997) |
| October 19 | 78.1°F (1954) | 19.0°F (2020) | 0.30 in (2020) |
| October 20 | 80.1°F (2023) | 17.1°F (2001) | 0.21 in (1996) |
| October 21 | 79.0°F (2014) | 8.1°F (1951) | 0.10 in (1951) |
| October 22 | 73.0°F (1998) | -2.0°F (1951) | 0.22 in (2014) |
| October 23 | 77.0°F (1999) | 0.0°F (1951) | 0.67 in (2022) |
| October 24 | 75.0°F (2005) | 7.0°F (2012) | 0.45 in (2020) |
| October 25 | 75.0°F (1950) | -11.9°F (2020) | 0.33 in (2023) |
| October 26 | 73.0°F (2003) | -2.9°F (2020) | 0.30 in (1999) |
| October 27 | 73.9°F (1953) | 3.9°F (2020) | 0.14 in (2009) |
| October 28 | 77.0°F (1953) | 3.0°F (2023) | 0.38 in (2005) |
| October 29 | 75.0°F (2017) | 3.9°F (2023) | 0.35 in (1951) |
| October 30 | 68.0°F (2008) | -2.0°F (2002) | 0.14 in (2021) |
| October 31 | 66.0°F (2016) | -7.1°F (2003) | 0.74 in (2016) |