October weather in Mermentau, LA
The average temperature in Mermentau in October is 69.5°F (58.7°F–80.4°F). Average precipitation: 4.73 inches.
October is a fall month in Mermentau, and is warmer than the annual average of 67.8°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 15m. For travel, October is a comfortable month to visit.
Avg High
80.4°F
Avg Low
58.7°F
Precipitation
4.73 in
Daylight
11h 15m
October records in Mermentau
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 96.1°F (1954) | 39.0°F (1920) | 1.91 in (2021) |
| October 2 | 98.1°F (1915) | 42.1°F (1984) | 3.80 in (1907) |
| October 3 | 95.0°F (1898) | 46.9°F (1961) | 1.68 in (1964) |
| October 4 | 93.9°F (1911) | 42.1°F (1961) | 4.59 in (1949) |
| October 5 | 96.1°F (1928) | 43.0°F (1961) | 2.20 in (1906) |
| October 6 | 96.1°F (1913) | 37.9°F (1932) | 1.59 in (2023) |
| October 7 | 93.0°F (1897) | 39.9°F (1952) | 4.04 in (1969) |
| October 8 | 96.1°F (1916) | 30.9°F (1952) | 1.77 in (1908) |
| October 9 | 97.0°F (1916) | 36.0°F (1952) | 1.86 in (1934) |
| October 10 | 91.9°F (1959) | 37.0°F (1917) | 8.77 in (2020) |
| October 11 | 91.9°F (1927) | 37.0°F (1917) | 2.32 in (1977) |
| October 12 | 93.9°F (1904) | 41.0°F (1905) | 2.56 in (1973) |
| October 13 | 96.1°F (1916) | 39.9°F (1977) | 3.52 in (1993) |
| October 14 | 95.0°F (1916) | 39.9°F (1907) | 2.80 in (2001) |
| October 15 | 95.0°F (1915) | 42.1°F (1901) | 2.45 in (1984) |
| October 16 | 95.0°F (1947) | 42.1°F (1961) | 3.61 in (2006) |
| October 17 | 93.9°F (1915) | 39.9°F (1940) | 5.93 in (2006) |
| October 18 | 91.9°F (1915) | 37.0°F (1948) | 1.56 in (1966) |
| October 19 | 93.0°F (1947) | 36.0°F (1948) | 2.70 in (1902) |
| October 20 | 93.0°F (1919) | 30.9°F (1989) | 0.81 in (1984) |
| October 21 | 90.0°F (1899) | 33.1°F (1989) | 1.91 in (1993) |
| October 22 | 91.0°F (1934) | 35.1°F (1976) | 1.30 in (2006) |
| October 23 | 91.9°F (1919) | 32.0°F (1912) | 2.28 in (1972) |
| October 24 | 91.0°F (1919) | 30.0°F (1917) | 2.44 in (1991) |
| October 25 | 95.0°F (1919) | 32.0°F (1917) | 4.23 in (1996) |
| October 26 | 93.9°F (1919) | 37.0°F (1898) | 4.50 in (2015) |
| October 27 | 91.9°F (1927) | 33.1°F (1957) | 2.65 in (2006) |
| October 28 | 91.0°F (1927) | 32.0°F (1914) | 5.95 in (1985) |
| October 29 | 91.9°F (1916) | 28.9°F (1952) | 6.00 in (1974) |
| October 30 | 93.0°F (1916) | 30.0°F (1910) | 5.52 in (1967) |
| October 31 | 90.0°F (1916) | 27.0°F (1917) | 3.42 in (1969) |