October weather in Flat Rock, IL
The average temperature in Flat Rock in October is 57.0°F (45.6°F–68.4°F). Average precipitation: 3.73 inches.
October is a fall month in Flat Rock, and is warmer than the annual average of 55.1°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 57m. For travel, October is a comfortable month to visit.
Avg High
68.4°F
Avg Low
45.6°F
Precipitation
3.73 in
Snow
0.1 in
October records in Flat Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (1919) | 28.9°F (1895) | 1.28 in (1905) |
| October 2 | 95.0°F (1953) | 28.0°F (1895) | 1.80 in (1894) |
| October 3 | 93.0°F (1953) | 28.9°F (2004) | 2.00 in (1937) |
| October 4 | 91.9°F (1951) | 30.0°F (1901) | 3.00 in (1910) |
| October 5 | 93.0°F (1897) | 30.0°F (1968) | 2.66 in (2000) |
| October 6 | 91.9°F (1941) | 28.9°F (1935) | 1.62 in (1998) |
| October 7 | 91.9°F (1963) | 25.0°F (1935) | 1.75 in (1998) |
| October 8 | 93.0°F (1939) | 26.1°F (1952) | 1.39 in (2009) |
| October 9 | 93.0°F (1939) | 25.0°F (2000) | 1.89 in (2009) |
| October 10 | 89.1°F (1962) | 25.0°F (1964) | 1.75 in (2017) |
| October 11 | 91.9°F (1962) | 24.1°F (1906) | 1.61 in (1969) |
| October 12 | 89.1°F (1989) | 28.0°F (1905) | 2.15 in (1901) |
| October 13 | 90.0°F (1928) | 21.9°F (1909) | 1.48 in (2001) |
| October 14 | 91.9°F (1989) | 27.0°F (1979) | 1.52 in (2001) |
| October 15 | 90.0°F (1963) | 24.1°F (1937) | 2.20 in (1914) |
| October 16 | 88.0°F (1897) | 25.0°F (2004) | 2.48 in (1928) |
| October 17 | 89.1°F (1950) | 30.0°F (1943) | 2.05 in (1980) |
| October 18 | 89.1°F (1938) | 21.9°F (1948) | 3.45 in (1905) |
| October 19 | 88.0°F (1953) | 27.0°F (1999) | 1.75 in (1905) |
| October 20 | 90.0°F (1894) | 19.9°F (1930) | 2.85 in (1983) |
| October 21 | 90.0°F (1953) | 16.0°F (1952) | 1.18 in (1949) |
| October 22 | 91.9°F (1894) | 19.9°F (1930) | 2.02 in (1935) |
| October 23 | 88.0°F (1963) | 21.9°F (1895) | 2.46 in (1951) |
| October 24 | 84.9°F (1963) | 21.0°F (1981) | 1.60 in (2001) |
| October 25 | 87.1°F (1940) | 23.0°F (1999) | 1.41 in (1977) |
| October 26 | 88.0°F (1940) | 19.0°F (1962) | 2.25 in (1919) |
| October 27 | 88.0°F (1927) | 24.1°F (1903) | 2.63 in (1919) |
| October 28 | 87.1°F (1927) | 21.0°F (1976) | 1.01 in (1899) |
| October 29 | 84.9°F (1927) | 18.0°F (1925) | 2.05 in (1917) |
| October 30 | 88.0°F (1950) | 21.0°F (1925) | 1.05 in (1942) |
| October 31 | 87.1°F (1950) | 19.9°F (1923) | 1.91 in (1969) |