May weather in St. Joseph, LA
The average temperature in St. Joseph in May is 73.4°F (61.8°F–85.0°F). Average precipitation: 4.37 inches.
May is a spring month in St. Joseph, and is warmer than the annual average of 65.5°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 38m. For travel, May is a comfortable month to visit.
Avg High
85.0°F
Avg Low
61.8°F
Precipitation
4.37 in
Daylight
13h 38m
May records in St. Joseph
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1987) | 33.1°F (1925) | 3.95 in (1954) |
| May 2 | 91.9°F (2002) | 32.0°F (1925) | 4.02 in (1950) |
| May 3 | 93.9°F (2002) | 39.0°F (1929) | 2.66 in (1994) |
| May 4 | 91.9°F (1943) | 39.0°F (1921) | 2.81 in (1953) |
| May 5 | 91.9°F (2003) | 41.0°F (1921) | 1.85 in (1908) |
| May 6 | 93.9°F (1914) | 41.0°F (1925) | 5.40 in (1935) |
| May 7 | 93.0°F (1952) | 43.0°F (1992) | 3.80 in (1978) |
| May 8 | 93.0°F (2002) | 37.9°F (1917) | 2.64 in (1975) |
| May 9 | 95.0°F (2003) | 37.0°F (1917) | 1.24 in (2014) |
| May 10 | 95.0°F (2003) | 41.0°F (1923) | 3.65 in (1925) |
| May 11 | 93.0°F (1916) | 44.1°F (1909) | 1.62 in (1954) |
| May 12 | 93.9°F (1916) | 42.1°F (1924) | 2.47 in (1971) |
| May 13 | 93.9°F (2005) | 39.9°F (1931) | 7.37 in (1990) |
| May 14 | 96.1°F (1925) | 42.1°F (1931) | 3.18 in (2014) |
| May 15 | 95.0°F (1925) | 39.9°F (1917) | 3.35 in (1942) |
| May 16 | 93.0°F (1925) | 43.0°F (1917) | 3.12 in (1980) |
| May 17 | 93.0°F (1911) | 44.1°F (2011) | 6.60 in (1953) |
| May 18 | 93.9°F (1988) | 44.1°F (2007) | 2.20 in (2002) |
| May 19 | 93.0°F (2000) | 43.0°F (1894) | 3.39 in (1930) |
| May 20 | 93.0°F (2006) | 46.9°F (1925) | 4.00 in (1983) |
| May 21 | 95.0°F (2005) | 46.0°F (1954) | 2.97 in (1916) |
| May 22 | 95.0°F (2022) | 46.0°F (1929) | 2.45 in (1983) |
| May 23 | 96.1°F (1918) | 48.9°F (2008) | 1.98 in (2017) |
| May 24 | 97.0°F (1918) | 46.0°F (1931) | 2.24 in (1919) |
| May 25 | 97.0°F (2005) | 50.0°F (1967) | 1.26 in (1969) |
| May 26 | 97.0°F (1911) | 41.0°F (1925) | 6.65 in (1909) |
| May 27 | 97.0°F (1911) | 42.1°F (1925) | 3.85 in (2025) |
| May 28 | 100.0°F (1911) | 41.0°F (1961) | 2.70 in (1986) |
| May 29 | 100.9°F (1911) | 48.0°F (1934) | 3.62 in (1996) |
| May 30 | 98.1°F (1911) | 48.9°F (1984) | 3.16 in (1941) |
| May 31 | 100.0°F (1911) | 46.9°F (1894) | 1.98 in (1994) |