August weather in Collinsville, AL
The average temperature in Collinsville in August is 75.9°F (65.7°F–86.0°F). Average precipitation: 3.93 inches.
August is a summer month in Collinsville, and is warmer than the annual average of 59°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 17m. For travel, August is a comfortable month to visit.
Avg High
86.0°F
Avg Low
65.7°F
Precipitation
3.93 in
Daylight
13h 17m
August records in Collinsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.4°F (2010) | 58.6°F (2015) | 0.87 in (2018) |
| August 2 | 95.2°F (2006) | 59.4°F (2023) | 0.42 in (2025) |
| August 3 | 97.0°F (2006) | 60.1°F (2015) | 0.17 in (2019) |
| August 4 | 97.2°F (2006) | 59.5°F (2014) | 2.04 in (2011) |
| August 5 | 97.2°F (2006) | 55.4°F (2014) | 0.46 in (2015) |
| August 6 | 94.1°F (2006) | 59.7°F (2014) | 2.15 in (2015) |
| August 7 | 98.1°F (2006) | 62.4°F (2009) | 2.10 in (2013) |
| August 8 | 98.6°F (2006) | 60.8°F (2008) | 1.50 in (2013) |
| August 9 | 97.9°F (2006) | 55.9°F (2008) | 2.78 in (2012) |
| August 10 | 95.5°F (2007) | 55.6°F (2008) | 0.60 in (2015) |
| August 11 | 96.6°F (2010) | 59.5°F (2012) | 0.80 in (2023) |
| August 12 | 97.2°F (2010) | 53.8°F (2012) | 0.46 in (2025) |
| August 13 | 99.9°F (2007) | 54.9°F (2012) | 0.89 in (2023) |
| August 14 | 97.5°F (2007) | 51.1°F (2014) | 0.39 in (2012) |
| August 15 | 99.9°F (2007) | 56.1°F (2014) | 0.85 in (2021) |
| August 16 | 100.0°F (2007) | 57.4°F (2014) | 1.12 in (2021) |
| August 17 | 99.1°F (2007) | 54.9°F (2008) | 0.89 in (2024) |
| August 18 | 94.8°F (2007) | 59.4°F (2020) | 0.50 in (2015) |
| August 19 | 93.2°F (2019) | 59.7°F (2023) | 1.17 in (2015) |
| August 20 | 95.5°F (2006) | 56.7°F (2012) | 3.38 in (2019) |
| August 21 | 96.8°F (2007) | 54.0°F (2024) | 0.83 in (2021) |
| August 22 | 99.9°F (2007) | 54.9°F (2012) | 0.70 in (2006) |
| August 23 | 98.8°F (2007) | 55.4°F (2009) | 0.40 in (2015) |
| August 24 | 95.7°F (2007) | 54.5°F (2009) | 1.33 in (2008) |
| August 25 | 93.2°F (2007) | 55.6°F (2017) | 2.59 in (2008) |
| August 26 | 93.7°F (2011) | 52.2°F (2015) | 3.51 in (2008) |
| August 27 | 91.0°F (2007) | 48.2°F (2025) | 0.73 in (2021) |
| August 28 | 92.3°F (2024) | 54.1°F (2025) | 0.59 in (2020) |
| August 29 | 92.8°F (2024) | 51.3°F (2025) | 1.08 in (2007) |
| August 30 | 91.9°F (2024) | 54.0°F (2019) | 1.05 in (2021) |
| August 31 | 92.3°F (2016) | 55.6°F (2025) | 2.16 in (2021) |