Slidell, Louisiana Climate
United States
Pop. 27,942 Elev. 5 m / 16 ft
TZ: America/Chicago (UTC-5) ·
Slidell sees warm summers peaking at 88°F (31°C) in July, and cool winters that bottom out around 43°F (6°C) in January. Humidity pushes the summer feels-like temperature to around 107°F (42°C). Precipitation occurs on roughly 61 days per year (44.5 in / 1129 mm total), with snow on 1 days and 5 in (123 mm) of annual accumulation. The city averages 162 sunny days per year and around 44 thunderstorm days. Ocean water temperatures reach 89°F (32°C) in summer.
| Temperature | 88°F (31°C) high | 43°F (6°C) low |
| Feels like | 107°F (41°C) high | 42°F (5°C) low |
| Rain | 61 days | 44.5 in (1129 mm) /yr |
| Snow | 1 days | 4.8 in (123 mm) /yr |
| Sky | 162 sunny | 44 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Jun, Aug, Sep, Nov, Dec
Sky & Air by Month
Cloud cover (%)
55
Jan 58
Feb 44
Mar 43
Apr 58
May 60
Jun 49
Jul 54
Aug 32
Sep 32
Oct 33
Nov 52
Dec Humidity (%)
71
Jan 79
Feb 71
Mar 77
Apr 79
May 79
Jun 79
Jul 79
Aug 75
Sep 74
Oct 77
Nov 81
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 35 mi Louis Armstrong New Orleans International Airport (MSY)
Ski resort 382 mi Cloudmont Ski Hill
National park 129 mi Natchez National Historical Park
Hospital 1 mi Slidell Memorial Hospital
Hiking trail 15 mi Cane Bayou Hiking Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 56°F 13°C | 43°F 6°C | 2.7 in 69 mm | 4.8 in123 mm | 11 |
| February | 65°F 19°C | 53°F 12°C | 5.6 in 143 mm | — | 8 |
| March | 71°F 22°C | 59°F 15°C | 4.4 in 112 mm | — | 16 |
| April | 77°F 25°C | 67°F 20°C | 3.0 in 76 mm | — | 15 |
| May | 81°F 27°C | 73°F 23°C | 7.6 in 194 mm | — | 6 |
| June | 86°F 30°C | 78°F 26°C | 3.5 in 88 mm | — | 7 |
| July | 88°F 31°C | 80°F 27°C | 4.6 in 117 mm | — | 15 |
| August | 87°F 31°C | 78°F 26°C | 4.4 in 112 mm | — | 9 |
| September | 85°F 30°C | 75°F 24°C | 0.9 in 24 mm | — | 23 |
| October | 79°F 26°C | 68°F 20°C | 5.0 in 127 mm | — | 21 |
| November | 70°F 21°C | 57°F 14°C | 0.4 in 9 mm | — | 18 |
| December | 63°F 17°C | 51°F 10°C | 2.3 in 59 mm | — | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 8 | 5 |
| March | 16 | 4 |
| April | 15 | 2 |
| May | 6 | 7 |
| June | 7 | 8 |
| July | 15 | 5 |
| August | 9 | 8 |
| September | 23 | 1 |
| October | 21 | 3 |
| November | 18 | 0 |
| December | 13 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 61°F 16°C | 49°F 9°C |
| February | 63°F 17°C | 60°F 15°C |
| March | 71°F 22°C | 65°F 18°C |
| April | 80°F 26°C | 73°F 23°C |
| May | 84°F 29°C | 78°F 26°C |
| June | 87°F 31°C | 84°F 29°C |
| July | 89°F 32°C | 86°F 30°C |
| August | 89°F 31°C | 85°F 30°C |
| September | 86°F 30°C | 81°F 27°C |
| October | 82°F 28°C | 74°F 23°C |
| November | 70°F 21°C | 64°F 18°C |
| December | 65°F 18°C | 57°F 14°C |