April weather in Slidell, LA
The average temperature in Slidell in April is 66.9°F (57.7°F–76.1°F). Average precipitation: 5.47 inches.
April is a spring month in Slidell, and is cooler than the annual average of 67.6°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 44m. For travel, April is a wet month.
Avg High
76.1°F
Avg Low
57.7°F
Precipitation
5.47 in
Daylight
12h 44m
April records in Slidell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 84.0°F (1974) | 35.1°F (1987) | 2.40 in (1960) |
| April 2 | 88.0°F (2023) | 37.9°F (1961) | 4.80 in (1988) |
| April 3 | 84.0°F (1963) | 32.0°F (1971) | 2.96 in (2017) |
| April 4 | 86.0°F (1956) | 32.0°F (1987) | 1.58 in (1957) |
| April 5 | 84.9°F (1956) | 32.0°F (1987) | 3.80 in (2008) |
| April 6 | 84.0°F (1965) | 37.0°F (1971) | 1.59 in (1983) |
| April 7 | 86.0°F (2022) | 34.0°F (1971) | 7.26 in (1983) |
| April 8 | 86.0°F (1965) | 35.1°F (1971) | 2.47 in (2003) |
| April 9 | 86.0°F (1965) | 34.0°F (2000) | 3.22 in (2002) |
| April 10 | 90.0°F (2021) | 37.9°F (2003) | 2.25 in (2021) |
| April 11 | 88.0°F (1963) | 33.1°F (1973) | 5.27 in (2024) |
| April 12 | 88.0°F (1965) | 37.0°F (1989) | 2.59 in (2005) |
| April 13 | 88.0°F (1966) | 42.1°F (1961) | 6.38 in (1980) |
| April 14 | 88.0°F (1972) | 42.1°F (2004) | 3.88 in (1991) |
| April 15 | 89.1°F (1972) | 35.1°F (2008) | 5.67 in (1996) |
| April 16 | 90.0°F (1981) | 39.0°F (1983) | 1.23 in (1994) |
| April 17 | 88.0°F (1970) | 41.0°F (1962) | 2.78 in (1973) |
| April 18 | 89.1°F (2006) | 37.0°F (1997) | 4.42 in (1973) |
| April 19 | 88.0°F (1965) | 41.0°F (2001) | 1.70 in (1966) |
| April 20 | 90.0°F (1987) | 39.9°F (2013) | 1.79 in (2020) |
| April 21 | 90.0°F (1987) | 45.0°F (1956) | 3.38 in (1977) |
| April 22 | 89.1°F (1970) | 41.0°F (1993) | 2.39 in (1983) |
| April 23 | 89.1°F (1967) | 43.0°F (1998) | 3.81 in (1979) |
| April 24 | 88.0°F (1958) | 43.0°F (2012) | 2.61 in (1982) |
| April 25 | 89.1°F (1967) | 44.1°F (1968) | 2.08 in (1991) |
| April 26 | 87.1°F (1967) | 46.0°F (1977) | 3.45 in (1964) |
| April 27 | 88.0°F (1964) | 46.0°F (1992) | 1.10 in (1966) |
| April 28 | 91.9°F (1987) | 43.0°F (1992) | 1.16 in (2015) |
| April 29 | 89.1°F (1985) | 46.0°F (1973) | 4.18 in (1991) |
| April 30 | 89.1°F (1985) | 48.0°F (1996) | 1.22 in (2023) |