Slidell August Weather

Averages and records for weather in Slidell, Louisiana in the month of August.
Typical Slidell August Weather
1991–2020
Average daily high 90.3 °F
Average daily low 73.5 °F
Average monthly precipitation 7.6 inches
Average monthly snow none
Daily chance of precipitation 44.8%
Daily chance of snow 0%
Slidell August Weather Records
1956–2024
Highest temperature 103 °F August 2, 1970
Lowest temperature 58 °F August 14, 2004
Highest daily low 84 °F August 12, 2023
Lowest daily high 75 °F August 25, 2008
Hottest average high temperature 96.5 °F 2023
Coldest average high temperature 87.8 °F 1975
Most daily precipitation 10.0 inches August 30, 2021
Most monthly precipitation 18.4 inches 2021
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 90.2 73.8 98 68
August 2 90.3 73.8 103 63
August 3 90.3 73.8 97 66
August 4 90.3 73.8 98 66
August 5 90.3 73.8 98 65
August 6 90.3 73.8 97 66
August 7 90.4 73.8 98 67
August 8 90.4 73.8 98 64
August 9 90.4 73.7 98 59
August 10 90.4 73.7 98 59
August 11 90.4 73.7 98 58
August 12 90.4 73.7 99 59
August 13 90.4 73.6 99 61
August 14 90.4 73.6 97 58
August 15 90.3 73.5 97 59
August 16 90.3 73.5 98 62
August 17 90.3 73.5 97 63
August 18 90.3 73.4 98 66
August 19 90.2 73.4 97 62
August 20 90.1 73.4 99 60
August 21 90.1 73.3 100 65
August 22 90.0 73.2 99 60
August 23 89.9 73.1 101 58
August 24 89.8 73.0 100 62
August 25 89.7 72.9 97 62
August 26 89.6 72.8 97 61
August 27 89.6 72.7 100 61
August 28 89.5 72.6 101 62
August 29 89.5 72.5 97 61
August 30 89.4 72.4 97 61
August 31 89.3 72.3 99 62
Weather Station Details
Years Station Coordinates
1956–2024 Slidell location