August weather in Grand Coteau, LA
The average temperature in Grand Coteau in August is 82.1°F (72.3°F–92.0°F). Average precipitation: 4.36 inches.
August is a summer month in Grand Coteau, and is warmer than the annual average of 68.3°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 6m. For travel, August is hot.
Avg High
92.0°F
Avg Low
72.3°F
Precipitation
4.36 in
Daylight
13h 6m
August records in Grand Coteau
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1998) | 51.1°F (2011) | 3.05 in (1940) |
| August 2 | 102.0°F (1899) | 63.0°F (1936) | 4.61 in (1963) |
| August 3 | 99.0°F (1924) | 64.0°F (1936) | 4.05 in (1909) |
| August 4 | 100.0°F (1924) | 63.0°F (1973) | 3.65 in (1939) |
| August 5 | 102.0°F (1964) | 63.0°F (1912) | 2.70 in (1988) |
| August 6 | 100.0°F (1913) | 64.0°F (1912) | 2.80 in (1918) |
| August 7 | 100.0°F (1899) | 63.0°F (1947) | 2.50 in (1920) |
| August 8 | 102.0°F (1935) | 61.0°F (1990) | 8.03 in (1940) |
| August 9 | 107.1°F (1935) | 57.9°F (1990) | 16.07 in (1940) |
| August 10 | 102.0°F (1962) | 59.0°F (1989) | 1.30 in (1923) |
| August 11 | 102.0°F (1962) | 60.1°F (1989) | 2.70 in (1986) |
| August 12 | 100.9°F (1962) | 57.9°F (1967) | 2.07 in (1926) |
| August 13 | 100.9°F (1951) | 57.9°F (2004) | 4.08 in (1995) |
| August 14 | 104.0°F (1999) | 59.0°F (2004) | 3.14 in (1998) |
| August 15 | 102.9°F (1951) | 50.0°F (2004) | 11.24 in (2016) |
| August 16 | 102.0°F (1951) | 60.1°F (1992) | 2.40 in (2008) |
| August 17 | 100.0°F (1918) | 60.1°F (1992) | 2.23 in (1914) |
| August 18 | 100.9°F (1909) | 63.0°F (1992) | 2.01 in (1970) |
| August 19 | 102.0°F (1999) | 64.9°F (1941) | 1.85 in (2011) |
| August 20 | 102.9°F (2023) | 61.0°F (1940) | 2.10 in (1915) |
| August 21 | 102.9°F (2023) | 62.1°F (1927) | 1.93 in (1988) |
| August 22 | 102.9°F (1921) | 59.0°F (1961) | 4.02 in (1953) |
| August 23 | 102.0°F (1921) | 57.9°F (1956) | 3.43 in (1984) |
| August 24 | 104.0°F (2023) | 60.1°F (1956) | 1.36 in (1958) |
| August 25 | 104.0°F (2023) | 61.0°F (1917) | 2.12 in (2011) |
| August 26 | 102.0°F (1999) | 59.0°F (2015) | 3.64 in (1992) |
| August 27 | 105.1°F (2023) | 59.0°F (2015) | 6.23 in (2020) |
| August 28 | 100.9°F (1998) | 59.0°F (2015) | 2.65 in (2020) |
| August 29 | 100.9°F (1998) | 57.9°F (1906) | 5.30 in (1978) |
| August 30 | 105.1°F (2000) | 59.0°F (1906) | 7.00 in (2014) |
| August 31 | 106.0°F (2000) | 63.0°F (1915) | 2.77 in (2007) |