October weather in Fairfield, IL
The average temperature in Fairfield in October is 58.8°F (47.0°F–70.5°F). Average precipitation: 3.73 inches.
October is a fall month in Fairfield, and is warmer than the annual average of 57.1°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 58m. For travel, October is a comfortable month to visit.
Avg High
70.5°F
Avg Low
47.0°F
Precipitation
3.73 in
Daylight
10h 58m
October records in Fairfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 95.0°F (2019) | 32.0°F (1899) | 1.85 in (1961) |
| October 2 | 95.0°F (2019) | 30.0°F (1985) | 1.84 in (2014) |
| October 3 | 93.9°F (1922) | 28.9°F (1974) | 1.65 in (1971) |
| October 4 | 95.0°F (1922) | 28.9°F (1987) | 3.85 in (1910) |
| October 5 | 95.0°F (1938) | 28.9°F (1901) | 1.79 in (1910) |
| October 6 | 93.9°F (2018) | 30.0°F (1980) | 1.62 in (1998) |
| October 7 | 96.1°F (2007) | 28.0°F (1952) | 1.23 in (1951) |
| October 8 | 96.1°F (1939) | 28.0°F (1952) | 2.76 in (2009) |
| October 9 | 93.0°F (1939) | 27.0°F (2000) | 1.87 in (1914) |
| October 10 | 93.0°F (2010) | 27.0°F (2000) | 2.70 in (2017) |
| October 11 | 93.0°F (1963) | 28.0°F (1917) | 2.31 in (2001) |
| October 12 | 90.0°F (1963) | 26.1°F (1988) | 2.20 in (1901) |
| October 13 | 91.9°F (1940) | 21.0°F (1909) | 3.39 in (2001) |
| October 14 | 91.9°F (1899) | 25.0°F (1979) | 1.70 in (1941) |
| October 15 | 91.0°F (1897) | 26.1°F (1937) | 1.00 in (1974) |
| October 16 | 90.0°F (1947) | 26.1°F (1991) | 2.00 in (1928) |
| October 17 | 89.1°F (1938) | 25.0°F (1943) | 2.12 in (1980) |
| October 18 | 90.0°F (1908) | 24.1°F (1948) | 4.17 in (1905) |
| October 19 | 89.1°F (1908) | 23.0°F (1992) | 2.60 in (1985) |
| October 20 | 91.0°F (1947) | 25.0°F (1930) | 3.13 in (1983) |
| October 21 | 89.1°F (1947) | 19.0°F (1952) | 1.95 in (1983) |
| October 22 | 91.9°F (1947) | 19.9°F (1952) | 2.02 in (1936) |
| October 23 | 89.1°F (1947) | 26.1°F (1942) | 2.43 in (1951) |
| October 24 | 87.1°F (1934) | 19.0°F (1981) | 1.46 in (1943) |
| October 25 | 90.0°F (1940) | 26.1°F (2013) | 1.32 in (2002) |
| October 26 | 90.0°F (1940) | 19.9°F (1942) | 3.19 in (1991) |
| October 27 | 88.0°F (1927) | 26.1°F (1914) | 6.48 in (1919) |
| October 28 | 88.0°F (1900) | 21.0°F (1976) | 1.10 in (1955) |
| October 29 | 82.9°F (1901) | 19.0°F (1952) | 2.00 in (1926) |
| October 30 | 88.0°F (1950) | 19.9°F (1925) | 1.30 in (1932) |
| October 31 | 88.0°F (1933) | 19.9°F (1923) | 2.20 in (2013) |