July weather in Maryville, IL
The average temperature in Maryville in July is °F (°F–°F). Average precipitation: 4.76 inches.
July is a summer month in Maryville, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 14h 27m.
Avg High
°F
Avg Low
°F
Precipitation
4.76 in
Daylight
14h 27m
July records in Maryville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 82.0°F (1987) | 68.0°F (1987) | 3.78 in (1996) |
| July 2 | 88.0°F (1987) | 68.0°F (1987) | 1.85 in (2023) |
| July 3 | 93.0°F (1987) | 78.1°F (1987) | 2.00 in (1916) |
| July 4 | 93.9°F (1987) | 69.1°F (1987) | 2.23 in (1956) |
| July 5 | 82.9°F (1987) | 68.0°F (1987) | 2.89 in (2009) |
| July 6 | 88.0°F (1987) | 66.0°F (1987) | 1.51 in (1987) |
| July 7 | 90.0°F (1987) | 62.1°F (1987) | 2.56 in (1965) |
| July 8 | 90.0°F (1987) | 68.0°F (1987) | 1.51 in (1998) |
| July 9 | 93.0°F (1987) | 70.0°F (1987) | 3.44 in (1942) |
| July 10 | 93.0°F (1987) | 72.0°F (1987) | 2.57 in (2024) |
| July 11 | 95.0°F (1987) | 75.0°F (1987) | 1.92 in (2000) |
| July 12 | 88.0°F (1987) | 75.0°F (1987) | 2.51 in (1935) |
| July 13 | 75.0°F (1987) | 64.0°F (1987) | 2.13 in (1952) |
| July 14 | 77.0°F (1987) | 57.0°F (1987) | 6.00 in (1912) |
| July 15 | 84.9°F (1987) | 59.0°F (1987) | 3.16 in (2018) |
| July 16 | 91.0°F (1987) | 63.0°F (1987) | 4.39 in (1939) |
| July 17 | 93.0°F (1987) | 71.1°F (1987) | 3.59 in (1938) |
| July 18 | 93.0°F (1987) | 73.0°F (1987) | 1.33 in (1958) |
| July 19 | 96.1°F (1987) | 75.0°F (1987) | 2.69 in (2000) |
| July 20 | 95.0°F (1987) | 75.0°F (1987) | 3.75 in (2016) |
| July 21 | 93.9°F (1987) | 68.0°F (1987) | 2.90 in (2025) |
| July 22 | 95.0°F (1987) | 70.0°F (1987) | 3.15 in (1932) |
| July 23 | 93.9°F (1987) | 73.0°F (1987) | 2.11 in (2017) |
| July 24 | 91.0°F (1987) | 72.0°F (1987) | 1.98 in (1951) |
| July 25 | 95.0°F (1987) | 75.9°F (1987) | 1.14 in (2010) |
| July 26 | 99.0°F (1987) | 75.0°F (1987) | 2.98 in (1948) |
| July 27 | 98.1°F (1987) | 70.0°F (1987) | 2.05 in (2022) |
| July 28 | 97.0°F (1987) | 69.1°F (1987) | 1.75 in (1979) |
| July 29 | 96.1°F (1987) | 72.0°F (1987) | 2.63 in (1998) |
| July 30 | 93.0°F (1987) | 73.9°F (1987) | 2.43 in (2023) |
| July 31 | 95.0°F (1987) | 72.0°F (1987) | 1.37 in (1928) |