May weather in Harahan, LA
The average temperature in Harahan in May is 78.6°F (69.3°F–87.9°F). Average precipitation: 5.39 inches.
May is a spring month in Harahan, and is warmer than the annual average of 71.8°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 30m. For travel, May is a wet month.
Avg High
87.9°F
Avg Low
69.3°F
Precipitation
5.39 in
Daylight
13h 30m
May records in Harahan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1943) | 46.0°F (1908) | 4.51 in (1937) |
| May 2 | 91.9°F (1943) | 50.0°F (1908) | 3.12 in (1923) |
| May 3 | 91.9°F (2002) | 48.0°F (1921) | 9.31 in (1978) |
| May 4 | 93.0°F (1952) | 46.0°F (1921) | 5.52 in (2007) |
| May 5 | 93.9°F (2002) | 46.9°F (1921) | 2.58 in (2021) |
| May 6 | 93.0°F (1952) | 50.0°F (1898) | 3.52 in (1908) |
| May 7 | 93.0°F (2002) | 51.1°F (1958) | 2.97 in (1960) |
| May 8 | 93.9°F (1941) | 50.0°F (1911) | 10.94 in (1995) |
| May 9 | 93.9°F (1941) | 46.9°F (1928) | 7.45 in (1994) |
| May 10 | 93.0°F (2009) | 46.9°F (1923) | 5.09 in (2021) |
| May 11 | 93.0°F (2003) | 48.0°F (1906) | 5.96 in (1912) |
| May 12 | 97.0°F (1916) | 48.0°F (1924) | 3.71 in (2019) |
| May 13 | 93.9°F (2000) | 46.9°F (1960) | 4.90 in (1990) |
| May 14 | 97.0°F (2018) | 52.0°F (1960) | 2.05 in (2024) |
| May 15 | 97.0°F (2018) | 48.0°F (1917) | 5.42 in (2004) |
| May 16 | 95.0°F (2018) | 50.0°F (1917) | 3.69 in (1980) |
| May 17 | 97.0°F (2018) | 51.1°F (1912) | 7.08 in (1932) |
| May 18 | 95.0°F (1941) | 50.0°F (1917) | 4.03 in (1932) |
| May 19 | 93.9°F (1998) | 48.9°F (1894) | 3.92 in (1923) |
| May 20 | 93.9°F (1962) | 55.9°F (1904) | 3.45 in (1955) |
| May 21 | 95.0°F (2005) | 53.1°F (1919) | 3.10 in (1928) |
| May 22 | 95.0°F (1918) | 51.1°F (1919) | 6.78 in (1916) |
| May 23 | 98.1°F (1896) | 55.0°F (1919) | 2.32 in (1907) |
| May 24 | 98.1°F (1941) | 53.1°F (1931) | 2.16 in (1973) |
| May 25 | 97.0°F (1937) | 52.0°F (1931) | 2.93 in (1895) |
| May 26 | 96.1°F (1911) | 55.0°F (1979) | 2.95 in (2022) |
| May 27 | 98.1°F (1953) | 54.0°F (1961) | 6.10 in (1929) |
| May 28 | 96.1°F (1916) | 57.0°F (1925) | 1.38 in (1939) |
| May 29 | 97.0°F (1911) | 60.1°F (1913) | 2.02 in (1975) |
| May 30 | 97.0°F (1911) | 57.9°F (1984) | 3.69 in (2025) |
| May 31 | 99.0°F (1911) | 57.0°F (1984) | 5.15 in (1959) |