October weather in Mason, IL
The average temperature in Mason in October is 56.4°F (44.1°F–68.8°F). Average precipitation: 3.49 inches.
October is a fall month in Mason, and is warmer than the annual average of 54.4°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 57m. For travel, October is a comfortable month to visit.
Avg High
68.8°F
Avg Low
44.1°F
Precipitation
3.49 in
Daylight
10h 57m
October records in Mason
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.9°F (2019) | 28.9°F (1917) | 2.32 in (1927) |
| October 2 | 95.0°F (2019) | 28.0°F (1958) | 0.80 in (1973) |
| October 3 | 95.0°F (1922) | 26.1°F (1952) | 1.92 in (2014) |
| October 4 | 95.0°F (1922) | 28.9°F (1935) | 1.48 in (1990) |
| October 5 | 93.0°F (1922) | 28.0°F (1980) | 2.77 in (2000) |
| October 6 | 91.9°F (2007) | 28.0°F (1935) | 1.78 in (1940) |
| October 7 | 91.9°F (1963) | 21.0°F (1952) | 1.72 in (1982) |
| October 8 | 93.0°F (2007) | 23.0°F (1952) | 1.27 in (1999) |
| October 9 | 93.0°F (2007) | 26.1°F (1915) | 4.45 in (2009) |
| October 10 | 89.1°F (1962) | 26.1°F (1925) | 1.96 in (2017) |
| October 11 | 91.0°F (1962) | 28.0°F (1964) | 3.99 in (1949) |
| October 12 | 90.0°F (1962) | 27.0°F (2006) | 2.00 in (1927) |
| October 13 | 87.1°F (1899) | 27.0°F (1980) | 2.25 in (1931) |
| October 14 | 90.0°F (1899) | 19.9°F (1893) | 2.44 in (2001) |
| October 15 | 89.1°F (1897) | 24.1°F (1979) | 0.56 in (1966) |
| October 16 | 88.0°F (1897) | 16.0°F (1893) | 1.83 in (1948) |
| October 17 | 87.1°F (1950) | 19.0°F (1893) | 1.63 in (2006) |
| October 18 | 88.0°F (1953) | 23.0°F (1948) | 2.05 in (1923) |
| October 19 | 87.1°F (1953) | 23.0°F (1893) | 1.94 in (2004) |
| October 20 | 88.0°F (1953) | 19.9°F (1930) | 2.98 in (2016) |
| October 21 | 87.1°F (1920) | 18.0°F (1952) | 2.00 in (1983) |
| October 22 | 88.0°F (1953) | 19.0°F (1952) | 1.35 in (1983) |
| October 23 | 84.9°F (1939) | 21.9°F (1976) | 2.34 in (1957) |
| October 24 | 84.0°F (1921) | 19.9°F (1981) | 1.87 in (2008) |
| October 25 | 86.0°F (1927) | 21.0°F (1981) | 2.05 in (1920) |
| October 26 | 84.9°F (1963) | 18.0°F (1942) | 2.80 in (1919) |
| October 27 | 84.0°F (1927) | 21.9°F (1925) | 2.70 in (1919) |
| October 28 | 86.0°F (1922) | 19.9°F (1976) | 1.26 in (2015) |
| October 29 | 84.0°F (1927) | 15.1°F (1952) | 1.73 in (1917) |
| October 30 | 86.0°F (1950) | 19.9°F (1925) | 1.83 in (1942) |
| October 31 | 84.9°F (1933) | 19.0°F (1923) | 1.38 in (1941) |