August weather in St. Martinville, LA
The average temperature in St. Martinville in August is 81.3°F (72.6°F–90.1°F). Average precipitation: 6.92 inches.
August is a summer month in St. Martinville, and is warmer than the annual average of 67.8°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 5m. For travel, August is a wet month.
Avg High
90.1°F
Avg Low
72.6°F
Precipitation
6.92 in
Daylight
13h 5m
August records in St. Martinville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (2010) | 68.2°F (2015) | 1.36 in (2004) |
| August 2 | 99.9°F (2010) | 67.5°F (2015) | 0.81 in (2021) |
| August 3 | 98.2°F (2023) | 67.1°F (2020) | 2.98 in (2022) |
| August 4 | 98.4°F (2023) | 69.1°F (2021) | 1.54 in (2005) |
| August 5 | 98.1°F (2023) | 66.7°F (2021) | 1.24 in (2010) |
| August 6 | 98.6°F (2023) | 67.6°F (2004) | 1.19 in (2017) |
| August 7 | 98.6°F (2023) | 63.9°F (2004) | 2.39 in (2017) |
| August 8 | 98.6°F (2023) | 69.3°F (2018) | 0.28 in (2016) |
| August 9 | 96.6°F (2010) | 69.8°F (2008) | 1.02 in (2022) |
| August 10 | 99.3°F (2015) | 69.3°F (2005) | 2.18 in (2022) |
| August 11 | 99.7°F (2007) | 69.6°F (2004) | 2.75 in (2012) |
| August 12 | 99.5°F (2023) | 63.0°F (2004) | 10.91 in (2016) |
| August 13 | 98.8°F (2023) | 57.7°F (2004) | 2.98 in (2008) |
| August 14 | 100.8°F (2023) | 57.7°F (2004) | 1.49 in (2017) |
| August 15 | 99.9°F (2023) | 57.6°F (2004) | 0.89 in (2024) |
| August 16 | 97.2°F (2006) | 59.9°F (2004) | 2.18 in (2016) |
| August 17 | 98.1°F (2023) | 61.3°F (2004) | 1.11 in (2007) |
| August 18 | 100.2°F (2023) | 65.1°F (2004) | 1.02 in (2012) |
| August 19 | 100.2°F (2023) | 68.2°F (2013) | 1.62 in (2022) |
| August 20 | 100.9°F (2023) | 65.8°F (2020) | 2.93 in (2013) |
| August 21 | 98.1°F (2023) | 65.7°F (2020) | 1.56 in (2019) |
| August 22 | 99.5°F (2023) | 68.2°F (2020) | 0.27 in (2016) |
| August 23 | 101.8°F (2023) | 65.3°F (2009) | 1.32 in (2022) |
| August 24 | 102.0°F (2023) | 62.2°F (2009) | 2.95 in (2008) |
| August 25 | 98.2°F (2023) | 63.5°F (2009) | 0.84 in (2020) |
| August 26 | 102.4°F (2023) | 61.3°F (2015) | 1.46 in (2013) |
| August 27 | 104.9°F (2023) | 61.5°F (2015) | 3.67 in (2020) |
| August 28 | 96.4°F (2011) | 60.1°F (2015) | 3.28 in (2017) |
| August 29 | 95.7°F (2011) | 64.0°F (2015) | 2.59 in (2017) |
| August 30 | 97.5°F (2011) | 66.4°F (2015) | 2.32 in (2014) |
| August 31 | 96.1°F (2011) | 65.1°F (2023) | 1.12 in (2024) |