August weather in Boonville, MO
The average temperature in Boonville in August is 76.6°F (66.2°F–86.9°F). Average precipitation: 4.05 inches.
August is a summer month in Boonville, and is warmer than the annual average of 54.6°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Daylight averages about 13h 32m. For travel, August is a comfortable month to visit.
Avg High
86.9°F
Avg Low
66.2°F
Precipitation
4.05 in
Daylight
13h 32m
August records in Boonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (2012) | 60.1°F (2017) | 3.26 in (2016) |
| August 2 | 102.9°F (2011) | 61.0°F (2018) | 0.90 in (2023) |
| August 3 | 107.1°F (2011) | 59.0°F (2025) | 1.13 in (2020) |
| August 4 | 97.0°F (2010) | 55.0°F (2017) | 0.71 in (2023) |
| August 5 | 95.0°F (2016) | 52.0°F (2017) | 0.44 in (2023) |
| August 6 | 99.0°F (2018) | 54.0°F (2017) | 1.55 in (2013) |
| August 7 | 97.0°F (2018) | 61.0°F (2012) | 2.57 in (2014) |
| August 8 | 102.0°F (2012) | 57.9°F (2017) | 0.92 in (2014) |
| August 9 | 93.9°F (2010) | 57.9°F (2017) | 0.40 in (2020) |
| August 10 | 96.1°F (2010) | 57.9°F (2017) | 0.12 in (2023) |
| August 11 | 99.0°F (2010) | 54.0°F (2012) | 0.96 in (2020) |
| August 12 | 97.0°F (2010) | 57.9°F (2012) | 0.58 in (2010) |
| August 13 | 97.0°F (2010) | 55.9°F (2014) | 1.09 in (2024) |
| August 14 | 99.0°F (2010) | 57.0°F (2012) | 2.62 in (2023) |
| August 15 | 91.9°F (2010) | 55.0°F (2012) | 1.67 in (2024) |
| August 16 | 97.0°F (2025) | 57.0°F (2013) | 1.36 in (2022) |
| August 17 | 98.1°F (2025) | 53.1°F (2013) | 2.22 in (2011) |
| August 18 | 95.0°F (2025) | 50.0°F (2012) | 0.21 in (2019) |
| August 19 | 98.1°F (2025) | 50.0°F (2012) | 1.78 in (2011) |
| August 20 | 95.0°F (2023) | 52.0°F (2012) | 0.54 in (2016) |
| August 21 | 98.1°F (2023) | 55.0°F (2012) | 3.16 in (2010) |
| August 22 | 95.0°F (2014) | 55.9°F (2016) | 0.38 in (2019) |
| August 23 | 98.1°F (2023) | 55.9°F (2016) | 0.12 in (2015) |
| August 24 | 98.1°F (2014) | 57.0°F (2024) | 0.29 in (2018) |
| August 25 | 100.0°F (2023) | 52.0°F (2015) | 0.73 in (2024) |
| August 26 | 100.9°F (2023) | 52.0°F (2015) | 5.27 in (2019) |
| August 27 | 98.1°F (2024) | 52.0°F (2025) | 2.10 in (2016) |
| August 28 | 97.0°F (2024) | 54.0°F (2025) | 0.15 in (2020) |
| August 29 | 96.1°F (2018) | 55.9°F (2017) | 0.07 in (2018) |
| August 30 | 95.0°F (2012) | 57.0°F (2017) | 1.21 in (2019) |
| August 31 | 99.0°F (2013) | 57.9°F (2017) | 1.62 in (2019) |