October weather in Chinook, MT

The average temperature in Chinook in October is 42.7°F (28.5°F–56.9°F). Average precipitation: 0.88 inches.

October is a fall month in Chinook, and is warmer than the annual average of 42.4°F. Daily temperatures swing about 28.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 32m. For travel, October is cool.

Avg High
56.9°F
Avg Low
28.5°F
Precipitation
0.88 in
Daylight
10h 32m

October records in Chinook

Date Record High Record Low Record Precip
October 1 90.0°F (1992) 5.0°F (1909) 0.35 in (1919)
October 2 88.0°F (1943) 18.0°F (2004) 0.67 in (1973)
October 3 88.0°F (1917) 12.0°F (1999) 1.00 in (2017)
October 4 88.0°F (1947) 14.0°F (1999) 1.30 in (2016)
October 5 89.1°F (1905) 3.9°F (1916) 1.15 in (2016)
October 6 87.1°F (2021) 10.9°F (1952) 0.47 in (1959)
October 7 88.0°F (1980) 14.0°F (2000) 0.60 in (1959)
October 8 87.1°F (1910) 12.0°F (1932) 0.60 in (2016)
October 9 86.0°F (1942) -0.9°F (1985) 0.58 in (1912)
October 10 87.1°F (1934) 15.1°F (1919) 0.41 in (1969)
October 11 88.0°F (1991) 12.0°F (1959) 0.42 in (1995)
October 12 84.0°F (1991) 5.0°F (1909) 1.01 in (1981)
October 13 84.9°F (1964) 9.0°F (2016) 0.43 in (1975)
October 14 84.9°F (1964) 8.1°F (2016) 0.20 in (1935)
October 15 87.1°F (1910) 10.9°F (1930) 0.72 in (1962)
October 16 86.0°F (1961) 8.1°F (1930) 0.51 in (1995)
October 17 84.9°F (1927) 9.0°F (1930) 0.98 in (1918)
October 18 86.0°F (1927) 3.9°F (1905) 0.67 in (1920)
October 19 82.9°F (2003) -8.0°F (1905) 0.38 in (1979)
October 20 81.0°F (2003) 1.9°F (1905) 0.96 in (1958)
October 21 81.0°F (1927) 6.1°F (1905) 0.59 in (1995)
October 22 82.9°F (2003) 8.1°F (1905) 1.10 in (1980)
October 23 81.0°F (1915) -7.1°F (2020) 0.70 in (2022)
October 24 79.0°F (1992) -7.1°F (2020) 0.26 in (1911)
October 25 82.0°F (1990) -9.0°F (1919) 0.28 in (1934)
October 26 78.1°F (1966) -9.9°F (2020) 0.43 in (1984)
October 27 77.0°F (1937) -9.9°F (2020) 0.91 in (1991)
October 28 82.0°F (1937) -11.0°F (1925) 0.32 in (2009)
October 29 81.0°F (1921) -24.0°F (1991) 0.54 in (2003)
October 30 78.1°F (1915) -20.0°F (1991) 0.40 in (1943)
October 31 78.1°F (1915) -2.0°F (1984) 0.80 in (1945)

Other months in Chinook