Weather Averages Slidell, LA

Weather Reports

Enter Location or Click Browse
Weather Averages for
Slidell, LA


Latitude: 30°15'N, Longitude: 89°46'W, Elevation: 10.0 ft, Distance: 1.63 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 67 50 53 60 67 74 79 81 81 77 68 60 53
Average high temperature
over 30 years
°F 77 60 63 70 78 84 89 91 90 87 80 71 63
Average low temperature
over 30 years
°F 56 39 42 49 57 64 69 72 71 67 56 48 42
Average precipitation
over 30 years
in 59.6 5.3 5.5 5.5 4.3 4.8 4.5 6.2 5.8 5.1 3.0 4.2 5.5
Heating degree days
over 30 years
days 1674 477 342 181 41 - - - - - 50 195 388
Cooling degree days
over 30 years
days 2527 18 12 32 122 285 444 521 502 378 149 45 19