October weather in Alton, MO

The average temperature in Alton in October is 56.5°F (42.8°F–70.2°F). Average precipitation: 3.77 inches.

October is a fall month in Alton, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 27.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 11h 2m. For travel, October is a comfortable month to visit.

Avg High
70.2°F
Avg Low
42.8°F
Precipitation
3.77 in
Daylight
11h 2m

October records in Alton

Date Record High Record Low Record Precip
October 1 96.1°F (1998) 35.1°F (1974) 1.87 in (1962)
October 2 93.0°F (2023) 34.0°F (1975) 0.33 in (2021)
October 3 91.9°F (1969) 28.0°F (1981) 2.00 in (1954)
October 4 89.1°F (2000) 28.0°F (1981) 1.14 in (1983)
October 5 90.0°F (2000) 28.9°F (1979) 2.27 in (1959)
October 6 93.0°F (1981) 28.9°F (1980) 2.40 in (1998)
October 7 91.0°F (1963) 30.0°F (1964) 1.50 in (1951)
October 8 93.9°F (1979) 25.0°F (2000) 1.45 in (1970)
October 9 91.0°F (1980) 27.0°F (2000) 1.64 in (1970)
October 10 91.9°F (1963) 26.1°F (1979) 2.34 in (2003)
October 11 93.0°F (1963) 27.0°F (2000) 1.68 in (1978)
October 12 89.1°F (1975) 27.0°F (2000) 1.67 in (2004)
October 13 86.0°F (1963) 27.0°F (1977) 2.51 in (1973)
October 14 89.1°F (1963) 24.1°F (1979) 2.08 in (1970)
October 15 88.0°F (1963) 25.0°F (1969) 1.25 in (1974)
October 16 84.9°F (1963) 30.0°F (1966) 2.92 in (2006)
October 17 88.0°F (2011) 26.1°F (1978) 2.55 in (1999)
October 18 87.1°F (1965) 23.0°F (1976) 2.48 in (1967)
October 19 88.0°F (1963) 28.0°F (1972) 2.32 in (1994)
October 20 87.1°F (1963) 27.0°F (1966) 1.06 in (2020)
October 21 91.9°F (1979) 25.0°F (1976) 0.90 in (1950)
October 22 87.1°F (1963) 21.9°F (1982) 0.92 in (1957)
October 23 84.0°F (1963) 21.9°F (1982) 1.37 in (1957)
October 24 84.0°F (2000) 16.0°F (1981) 2.80 in (1951)
October 25 84.0°F (2000) 16.0°F (1981) 0.94 in (1975)
October 26 84.9°F (1963) 23.0°F (1982) 0.86 in (1956)
October 27 84.0°F (1963) 25.0°F (1978) 1.98 in (1970)
October 28 82.9°F (1971) 21.0°F (1969) 1.22 in (1980)
October 29 84.9°F (2024) 19.9°F (1976) 2.70 in (2020)
October 30 82.0°F (2024) 19.0°F (1980) 3.72 in (2009)
October 31 82.9°F (1968) 19.0°F (1980) 2.81 in (1941)

Other months in Alton