Slidell, LA Weather & Climate Normals
Slidell's real weather, in one number
Slidell, LA scores 52/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Slidell's hottest and coldest months
Slidell's hottest month is Jul, averaging 82°F; its coldest is Jan, averaging 51°F, a 30.6°F swing across the year, a middling gap by national standards.
Slidell's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 61°F | 42°F | 5.92in | 0in |
| Feb | 64°F | 45°F | 4.39in | 0in |
| Mar | 70°F | 52°F | 5.26in | 0.1in |
| Apr | 76°F | 58°F | 5.47in | 0in |
| May | 83°F | 66°F | 5.84in | 0in |
| Jun | 88°F | 72°F | 5.75in | 0in |
| Jul | 90°F | 74°F | 7.68in | 0in |
| Aug | 90°F | 74°F | 7.57in | 0in |
| Sep | 87°F | 70°F | 4.95in | 0in |
| Oct | 79°F | 59°F | 4.17in | 0in |
| Nov | 70°F | 49°F | 4.22in | 0in |
| Dec | 63°F | 44°F | 4.95in | 0in |
Mar, Apr, May, Oct, and Nov are the best time to see Slidell at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Slidell
Slidell averages 66.17in of precipitation a year across roughly 117 days with measurable rain or snow, and 0.1in of snow a year.
Where Slidell ranks
Slidell ranks 1250 of 4876 US cities in this dataset for comfort score, and 27 of 59 within LA. About 28,440 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Slidell, LA US, 1.8 miles from Slidell, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure