July weather in Grain Valley, MO
The average temperature in Grain Valley in July is 79.0°F (69.7°F–88.3°F). Average precipitation: 4.57 inches.
July is a summer month in Grain Valley, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 29m. For travel, July is hot.
Avg High
88.3°F
Avg Low
69.7°F
Precipitation
4.57 in
Daylight
14h 29m
July records in Grain Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 98.1°F (2012) | 59.0°F (2009) | 1.24 in (2020) |
| July 2 | 96.1°F (2012) | 57.0°F (2014) | 2.68 in (2016) |
| July 3 | 98.1°F (2012) | 53.1°F (2014) | 1.03 in (2016) |
| July 4 | 100.0°F (2012) | 59.0°F (2015) | 3.53 in (2019) |
| July 5 | 100.0°F (2012) | 62.1°F (2005) | 0.43 in (2023) |
| July 6 | 102.9°F (2012) | 61.0°F (2006) | 2.10 in (2004) |
| July 7 | 106.0°F (2012) | 57.9°F (2004) | 0.74 in (2015) |
| July 8 | 96.1°F (2002) | 61.0°F (2015) | 0.99 in (2023) |
| July 9 | 96.1°F (2013) | 59.0°F (2015) | 0.69 in (2003) |
| July 10 | 99.0°F (2011) | 60.1°F (2023) | 0.66 in (2021) |
| July 11 | 99.0°F (2011) | 59.0°F (2007) | 1.46 in (2010) |
| July 12 | 100.0°F (2011) | 62.1°F (2008) | 1.45 in (2016) |
| July 13 | 98.1°F (2018) | 57.9°F (2008) | 1.28 in (2006) |
| July 14 | 98.1°F (2012) | 61.0°F (2002) | 0.23 in (2018) |
| July 15 | 100.0°F (2022) | 54.0°F (2014) | 1.64 in (2020) |
| July 16 | 96.1°F (2003) | 54.0°F (2014) | 3.07 in (2004) |
| July 17 | 100.0°F (2012) | 55.9°F (2009) | 1.49 in (2025) |
| July 18 | 104.0°F (2012) | 53.1°F (2009) | 0.38 in (2015) |
| July 19 | 104.0°F (2012) | 57.0°F (2009) | 0.22 in (2005) |
| July 20 | 100.0°F (2006) | 63.0°F (2014) | 1.58 in (2010) |
| July 21 | 100.0°F (2011) | 60.1°F (2009) | 3.66 in (2019) |
| July 22 | 102.0°F (2005) | 59.0°F (2009) | 1.68 in (2017) |
| July 23 | 104.0°F (2012) | 59.0°F (2003) | 0.05 in (2007) |
| July 24 | 102.0°F (2012) | 55.0°F (2004) | 2.94 in (2004) |
| July 25 | 105.1°F (2012) | 59.0°F (2004) | 1.84 in (2025) |
| July 26 | 100.0°F (2011) | 55.9°F (2004) | 1.60 in (2017) |
| July 27 | 102.0°F (2011) | 55.9°F (2013) | 3.48 in (2017) |
| July 28 | 102.0°F (2011) | 55.9°F (2013) | 0.74 in (2002) |
| July 29 | 107.1°F (2012) | 57.9°F (2014) | 1.93 in (2020) |
| July 30 | 100.0°F (2006) | 60.1°F (2009) | 2.86 in (2008) |
| July 31 | 100.0°F (2012) | 57.0°F (2009) | 1.09 in (2020) |