July weather in Maryland Heights, MO
The average temperature in Maryland Heights in July is 79.0°F (69.2°F–88.8°F). Average precipitation: 3.85 inches.
July is a summer month in Maryland Heights, and is warmer than the annual average of 56.3°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 27m. For travel, July is hot.
Avg High
88.8°F
Avg Low
69.2°F
Precipitation
3.85 in
Daylight
14h 27m
July records in Maryland Heights
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.9°F (2012) | 54.0°F (1995) | 1.37 in (2003) |
| July 2 | 105.1°F (1980) | 54.0°F (1995) | 1.55 in (2023) |
| July 3 | 98.1°F (2012) | 55.0°F (2001) | 2.20 in (1980) |
| July 4 | 98.1°F (1990) | 55.0°F (1992) | 2.02 in (2024) |
| July 5 | 102.0°F (2012) | 53.1°F (1996) | 1.40 in (2007) |
| July 6 | 102.9°F (2012) | 55.0°F (1997) | 2.40 in (2004) |
| July 7 | 106.0°F (2012) | 52.0°F (1983) | 3.93 in (1987) |
| July 8 | 104.0°F (2012) | 55.0°F (1983) | 0.89 in (2011) |
| July 9 | 100.9°F (1980) | 55.0°F (1994) | 1.59 in (2010) |
| July 10 | 100.9°F (1980) | 50.0°F (1996) | 3.82 in (1991) |
| July 11 | 98.1°F (1980) | 55.0°F (1996) | 1.41 in (1977) |
| July 12 | 100.9°F (1980) | 55.0°F (1975) | 1.23 in (2005) |
| July 13 | 102.0°F (1980) | 52.0°F (1975) | 1.58 in (2009) |
| July 14 | 100.0°F (1995) | 54.0°F (1992) | 0.80 in (2016) |
| July 15 | 102.0°F (1980) | 55.0°F (1996) | 2.07 in (1978) |
| July 16 | 106.0°F (1980) | 55.0°F (2014) | 1.03 in (1981) |
| July 17 | 102.9°F (1980) | 55.9°F (1976) | 1.89 in (2024) |
| July 18 | 100.9°F (1988) | 55.0°F (1976) | 2.44 in (2020) |
| July 19 | 104.0°F (2012) | 55.0°F (1984) | 2.10 in (2003) |
| July 20 | 105.1°F (1980) | 55.9°F (2009) | 1.78 in (1981) |
| July 21 | 102.9°F (1980) | 57.9°F (1992) | 2.55 in (1994) |
| July 22 | 100.9°F (1983) | 59.0°F (1988) | 3.25 in (2019) |
| July 23 | 102.0°F (1983) | 59.0°F (2000) | 1.40 in (1981) |
| July 24 | 104.0°F (2012) | 59.0°F (1990) | 0.58 in (1981) |
| July 25 | 104.0°F (2012) | 55.0°F (1991) | 2.40 in (2016) |
| July 26 | 105.1°F (2012) | 54.0°F (1991) | 7.15 in (2022) |
| July 27 | 100.0°F (1976) | 53.1°F (1991) | 2.44 in (1981) |
| July 28 | 99.0°F (2023) | 52.0°F (1994) | 1.02 in (2000) |
| July 29 | 100.9°F (1983) | 53.1°F (1994) | 1.88 in (2022) |
| July 30 | 100.9°F (1999) | 53.1°F (1991) | 2.30 in (2004) |
| July 31 | 100.9°F (1980) | 54.0°F (1996) | 2.11 in (1976) |