October weather in Circle, MT
The average temperature in Circle in October is 46.0°F (33.1°F–58.8°F). Average precipitation: 0.93 inches.
October is a fall month in Circle, and is warmer than the annual average of 45.1°F. Daily temperatures swing about 25.7°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 10h 35m. For travel, October is cool.
Avg High
58.8°F
Avg Low
33.1°F
Precipitation
0.93 in
Daylight
10h 35m
October records in Circle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (1992) | 15.1°F (2004) | 0.70 in (1977) |
| October 2 | 93.9°F (1997) | 23.0°F (2002) | 1.11 in (1971) |
| October 3 | 90.0°F (1963) | 15.1°F (1999) | 0.90 in (2023) |
| October 4 | 91.9°F (1963) | 21.0°F (1964) | 0.43 in (1998) |
| October 5 | 89.1°F (2021) | 16.0°F (1976) | 0.91 in (1998) |
| October 6 | 87.1°F (2021) | 10.9°F (1974) | 0.48 in (1970) |
| October 7 | 87.1°F (2003) | 10.9°F (1990) | 1.25 in (1993) |
| October 8 | 84.9°F (1980) | 19.9°F (1964) | 0.63 in (1997) |
| October 9 | 87.1°F (1980) | 9.0°F (1985) | 0.64 in (1982) |
| October 10 | 90.0°F (2015) | 9.0°F (1985) | 0.30 in (2003) |
| October 11 | 86.0°F (1995) | 15.1°F (1977) | 0.91 in (1998) |
| October 12 | 84.0°F (1984) | 12.0°F (2009) | 1.06 in (1981) |
| October 13 | 84.9°F (1964) | 12.9°F (2006) | 0.35 in (2021) |
| October 14 | 82.9°F (1964) | 12.9°F (1992) | 0.69 in (1975) |
| October 15 | 81.0°F (1991) | 12.9°F (2006) | 0.10 in (1998) |
| October 16 | 84.0°F (1991) | 10.0°F (1976) | 0.70 in (1998) |
| October 17 | 84.0°F (2003) | 16.0°F (1969) | 0.34 in (2006) |
| October 18 | 84.0°F (2003) | 15.1°F (1991) | 0.45 in (1971) |
| October 19 | 86.0°F (2003) | 8.1°F (2020) | 1.27 in (1971) |
| October 20 | 81.0°F (2017) | 10.0°F (1987) | 0.53 in (2020) |
| October 21 | 84.0°F (2003) | 10.0°F (1976) | 0.30 in (1966) |
| October 22 | 79.0°F (2024) | -4.0°F (2002) | 0.60 in (1980) |
| October 23 | 75.9°F (1973) | 1.9°F (2020) | 0.49 in (2022) |
| October 24 | 79.0°F (2007) | 12.0°F (2020) | 0.32 in (2022) |
| October 25 | 80.1°F (2017) | 6.1°F (2020) | 0.74 in (2023) |
| October 26 | 75.9°F (1966) | 0.0°F (2020) | 0.64 in (1989) |
| October 27 | 80.1°F (1990) | 3.0°F (2023) | 0.36 in (2010) |
| October 28 | 78.1°F (1983) | -2.9°F (2023) | 0.11 in (1970) |
| October 29 | 75.9°F (2021) | 1.9°F (1991) | 0.65 in (2003) |
| October 30 | 77.0°F (1990) | -9.0°F (1991) | 0.25 in (2006) |
| October 31 | 77.0°F (1999) | -2.9°F (2023) | 0.58 in (1974) |