July weather in Slidell, LA
The average temperature in Slidell in July is 81.7°F (73.8°F–89.6°F). Average precipitation: 7.68 inches.
July is a summer month in Slidell, and is warmer than the annual average of 67.6°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 13h 47m. For travel, July is a wet month.
Avg High
89.6°F
Avg Low
73.8°F
Precipitation
7.68 in
Daylight
13h 47m
July records in Slidell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 97.0°F (1982) | 66.0°F (1985) | 4.38 in (2003) |
| July 2 | 97.0°F (1969) | 64.9°F (1971) | 3.30 in (2000) |
| July 3 | 100.0°F (1969) | 68.0°F (1961) | 1.42 in (1957) |
| July 4 | 99.0°F (1969) | 66.9°F (1974) | 3.56 in (1991) |
| July 5 | 98.1°F (2009) | 66.9°F (1968) | 2.04 in (1981) |
| July 6 | 98.1°F (1960) | 64.9°F (2014) | 6.29 in (2005) |
| July 7 | 98.1°F (1960) | 63.0°F (1972) | 2.95 in (2009) |
| July 8 | 98.1°F (1969) | 66.0°F (1972) | 2.76 in (1993) |
| July 9 | 100.0°F (1969) | 63.0°F (1972) | 3.69 in (1961) |
| July 10 | 99.0°F (1957) | 66.9°F (1972) | 1.65 in (1959) |
| July 11 | 98.1°F (1962) | 66.9°F (1983) | 4.21 in (1960) |
| July 12 | 97.0°F (1960) | 64.9°F (1957) | 2.67 in (2013) |
| July 13 | 97.0°F (1974) | 66.9°F (1972) | 3.17 in (1993) |
| July 14 | 96.1°F (1962) | 64.9°F (1990) | 1.41 in (1992) |
| July 15 | 96.1°F (1980) | 59.0°F (1967) | 2.87 in (2019) |
| July 16 | 102.0°F (1980) | 57.0°F (1967) | 2.51 in (1991) |
| July 17 | 100.0°F (1980) | 63.0°F (1967) | 1.99 in (1969) |
| July 18 | 99.0°F (1980) | 66.0°F (1967) | 4.55 in (1969) |
| July 19 | 98.1°F (1980) | 66.0°F (1974) | 2.00 in (2014) |
| July 20 | 98.1°F (1973) | 66.9°F (2009) | 2.12 in (2012) |
| July 21 | 99.0°F (2000) | 66.9°F (1984) | 7.55 in (1958) |
| July 22 | 98.1°F (1960) | 70.0°F (1956) | 1.60 in (1964) |
| July 23 | 99.0°F (1981) | 66.9°F (1958) | 2.31 in (2019) |
| July 24 | 99.0°F (1981) | 69.1°F (1956) | 2.18 in (2011) |
| July 25 | 97.0°F (1981) | 66.9°F (2000) | 2.23 in (1979) |
| July 26 | 97.0°F (1962) | 70.0°F (1976) | 2.05 in (2001) |
| July 27 | 97.0°F (1960) | 69.1°F (1987) | 3.00 in (1988) |
| July 28 | 99.0°F (1960) | 68.0°F (1994) | 2.30 in (2020) |
| July 29 | 102.0°F (1986) | 66.0°F (1994) | 2.58 in (2005) |
| July 30 | 100.9°F (1986) | 64.9°F (1994) | 4.19 in (1972) |
| July 31 | 99.0°F (1986) | 66.0°F (1972) | 2.32 in (2019) |