October weather in Monmouth, IL
The average temperature in Monmouth in October is 53.5°F (42.2°F–64.8°F). Average precipitation: 3.01 inches. Average snowfall is 0.2 inches.
October is a fall month in Monmouth, and is warmer than the annual average of 50.6°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 53m. For travel, October is a comfortable month to visit.
Avg High
64.8°F
Avg Low
42.2°F
Precipitation
3.01 in
Snow
0.2 in
October records in Monmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.0°F (1897) | 32.0°F (1908) | 4.14 in (1927) |
| October 2 | 91.9°F (1897) | 25.0°F (1974) | 1.31 in (1941) |
| October 3 | 93.0°F (2006) | 28.0°F (1974) | 2.87 in (1941) |
| October 4 | 93.0°F (2006) | 26.1°F (1901) | 2.36 in (1991) |
| October 5 | 89.1°F (1922) | 26.1°F (1901) | 2.60 in (1998) |
| October 6 | 91.0°F (1963) | 24.1°F (1935) | 4.03 in (1941) |
| October 7 | 91.0°F (1939) | 27.0°F (1952) | 1.90 in (1930) |
| October 8 | 88.0°F (2007) | 26.1°F (1896) | 1.29 in (2004) |
| October 9 | 86.0°F (1938) | 23.0°F (1895) | 2.07 in (1941) |
| October 10 | 87.1°F (1928) | 23.0°F (1964) | 1.27 in (1969) |
| October 11 | 88.0°F (1928) | 25.0°F (1906) | 2.48 in (1969) |
| October 12 | 84.9°F (1956) | 26.1°F (1905) | 1.34 in (1966) |
| October 13 | 90.0°F (1899) | 18.0°F (1917) | 1.48 in (1969) |
| October 14 | 88.0°F (1897) | 23.0°F (1937) | 2.54 in (2017) |
| October 15 | 88.0°F (1897) | 26.1°F (1937) | 1.20 in (2014) |
| October 16 | 88.0°F (1910) | 28.0°F (1976) | 0.80 in (1913) |
| October 17 | 88.0°F (2016) | 26.1°F (1943) | 1.82 in (1998) |
| October 18 | 89.1°F (2016) | 19.0°F (1948) | 1.84 in (1984) |
| October 19 | 86.0°F (1950) | 17.1°F (1972) | 1.06 in (2025) |
| October 20 | 84.9°F (1953) | 21.0°F (1930) | 2.94 in (1962) |
| October 21 | 84.9°F (1947) | 19.9°F (1930) | 1.79 in (1943) |
| October 22 | 84.0°F (1899) | 21.9°F (1976) | 1.11 in (1979) |
| October 23 | 84.0°F (1963) | 18.0°F (1895) | 2.20 in (2004) |
| October 24 | 82.0°F (1927) | 19.9°F (1981) | 1.03 in (1918) |
| October 25 | 82.0°F (1910) | 24.1°F (1933) | 2.44 in (2021) |
| October 26 | 88.0°F (1963) | 18.0°F (1942) | 0.88 in (2010) |
| October 27 | 86.0°F (1927) | 19.9°F (1898) | 1.70 in (1918) |
| October 28 | 84.0°F (1922) | 9.0°F (1925) | 0.85 in (2015) |
| October 29 | 84.0°F (1927) | 10.9°F (1925) | 0.90 in (1955) |
| October 30 | 86.0°F (1950) | 7.0°F (1925) | 1.15 in (2009) |
| October 31 | 84.9°F (1950) | 14.0°F (1925) | 3.35 in (1960) |