July weather in Monmouth, IL
The average temperature in Monmouth in July is 73.8°F (63.6°F–84.1°F). Average precipitation: 3.96 inches.
July is a summer month in Monmouth, and is warmer than the annual average of 50.6°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 40m. For travel, July is a comfortable month to visit.
Avg High
84.1°F
Avg Low
63.6°F
Precipitation
3.96 in
Daylight
14h 40m
July records in Monmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.0°F (1931) | 45.0°F (1902) | 2.27 in (2014) |
| July 2 | 100.9°F (1911) | 45.0°F (1904) | 3.04 in (1901) |
| July 3 | 106.0°F (1911) | 46.0°F (1968) | 3.55 in (1932) |
| July 4 | 106.0°F (1936) | 46.9°F (1967) | 4.12 in (1956) |
| July 5 | 105.1°F (1911) | 45.0°F (1972) | 2.02 in (1948) |
| July 6 | 104.0°F (1936) | 46.9°F (1979) | 2.41 in (1920) |
| July 7 | 102.9°F (1936) | 45.0°F (1894) | 4.81 in (1982) |
| July 8 | 102.0°F (1936) | 45.0°F (1896) | 4.36 in (1956) |
| July 9 | 102.0°F (1936) | 48.9°F (1896) | 1.49 in (1917) |
| July 10 | 102.9°F (1936) | 48.9°F (1975) | 2.24 in (1990) |
| July 11 | 106.0°F (1936) | 45.0°F (1898) | 3.10 in (2015) |
| July 12 | 108.0°F (1936) | 48.9°F (1898) | 2.80 in (2025) |
| July 13 | 109.0°F (1936) | 48.0°F (1940) | 2.30 in (1963) |
| July 14 | 108.0°F (1936) | 46.0°F (1975) | 2.78 in (1965) |
| July 15 | 109.9°F (1936) | 48.0°F (1930) | 6.53 in (1929) |
| July 16 | 102.9°F (1913) | 51.1°F (2014) | 3.60 in (2015) |
| July 17 | 102.0°F (1913) | 43.0°F (1896) | 3.35 in (1950) |
| July 18 | 100.9°F (1930) | 50.0°F (1924) | 4.03 in (1982) |
| July 19 | 102.0°F (1934) | 50.0°F (1909) | 1.38 in (1896) |
| July 20 | 102.0°F (1901) | 48.9°F (2009) | 1.24 in (1990) |
| July 21 | 106.0°F (1901) | 46.0°F (1894) | 3.67 in (1961) |
| July 22 | 107.1°F (1901) | 43.0°F (1894) | 3.00 in (1951) |
| July 23 | 106.0°F (1901) | 46.0°F (1894) | 3.28 in (1993) |
| July 24 | 107.1°F (1901) | 48.0°F (1904) | 3.40 in (1993) |
| July 25 | 107.1°F (2005) | 51.1°F (1905) | 1.87 in (1948) |
| July 26 | 105.1°F (1894) | 46.0°F (1911) | 2.41 in (1960) |
| July 27 | 106.0°F (1930) | 48.9°F (1962) | 2.98 in (1976) |
| July 28 | 102.9°F (1916) | 50.0°F (1925) | 1.53 in (1999) |
| July 29 | 105.1°F (1913) | 50.0°F (1981) | 1.83 in (1901) |
| July 30 | 106.0°F (1913) | 46.9°F (1899) | 1.22 in (1915) |
| July 31 | 104.0°F (1988) | 46.0°F (1895) | 3.78 in (1904) |