October weather in Grass Range, MT
The average temperature in Grass Range in October is 46.1°F (33.4°F–58.9°F). Average precipitation: 1.25 inches. Average snowfall is 3.4 inches.
October is a fall month in Grass Range, and is warmer than the annual average of 45.5°F. Daily temperatures swing about 25.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 36m. For travel, October is cool.
Avg High
58.9°F
Avg Low
33.4°F
Precipitation
1.25 in
Snow
3.4 in
October records in Grass Range
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (1992) | 14.0°F (1950) | 0.66 in (2022) |
| October 2 | 89.1°F (1963) | 15.1°F (1950) | 0.46 in (1966) |
| October 3 | 90.0°F (1987) | 18.0°F (1968) | 2.57 in (2016) |
| October 4 | 88.0°F (1970) | 24.1°F (1950) | 1.95 in (2016) |
| October 5 | 89.1°F (1980) | 10.9°F (1952) | 0.70 in (2009) |
| October 6 | 86.0°F (1960) | 9.0°F (1952) | 1.19 in (2007) |
| October 7 | 89.1°F (1980) | 14.0°F (2000) | 1.46 in (2011) |
| October 8 | 88.0°F (1980) | 10.9°F (1985) | 0.50 in (1993) |
| October 9 | 86.0°F (1971) | 15.1°F (1993) | 0.50 in (2019) |
| October 10 | 88.0°F (1953) | 10.0°F (2019) | 0.40 in (1970) |
| October 11 | 89.1°F (1934) | 12.0°F (2009) | 0.57 in (2006) |
| October 12 | 88.0°F (1934) | 15.1°F (2009) | 1.20 in (1981) |
| October 13 | 84.9°F (1964) | 12.9°F (1969) | 1.00 in (1975) |
| October 14 | 86.0°F (1958) | 15.1°F (1969) | 0.19 in (1968) |
| October 15 | 87.1°F (1961) | 14.0°F (1976) | 0.93 in (1983) |
| October 16 | 84.0°F (1961) | 10.9°F (1969) | 0.88 in (1980) |
| October 17 | 84.0°F (1958) | 10.0°F (1948) | 1.01 in (1938) |
| October 18 | 84.9°F (1958) | 16.0°F (1951) | 0.43 in (1983) |
| October 19 | 84.0°F (2003) | 16.0°F (1960) | 1.06 in (2009) |
| October 20 | 80.1°F (1940) | 19.0°F (1982) | 0.56 in (1958) |
| October 21 | 82.9°F (1992) | 16.0°F (1981) | 0.56 in (1953) |
| October 22 | 82.9°F (1915) | 7.0°F (1936) | 1.10 in (2022) |
| October 23 | 84.0°F (1948) | 10.0°F (1957) | 0.69 in (1954) |
| October 24 | 82.0°F (2007) | 14.0°F (1942) | 0.47 in (1954) |
| October 25 | 81.0°F (1990) | 0.0°F (1984) | 1.14 in (1945) |
| October 26 | 82.9°F (1960) | 7.0°F (1951) | 0.80 in (1946) |
| October 27 | 80.1°F (1944) | 1.9°F (2023) | 0.78 in (1940) |
| October 28 | 81.0°F (1968) | 0.0°F (2023) | 0.64 in (1961) |
| October 29 | 86.0°F (1968) | -9.0°F (1991) | 0.45 in (2003) |
| October 30 | 77.0°F (1950) | -7.1°F (1991) | 0.93 in (1943) |
| October 31 | 81.0°F (1987) | -5.1°F (1935) | 1.10 in (1974) |