Slidell, LA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Slidell now
Loading the National Weather Service forecast…
Slidell weather by the hour
Slidell weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Slidell.
This week in Slidell
Sunrise, sunset and moon in Slidell
What is the weather usually like in Slidell?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 90°F average high
- Januarycoldest month · 42°F average low
- 66.2 inprecipitation per year · 1,681 mm
- 0.1 insnowfall per year · 0 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Slidell: April–May and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SLIDELL, LA US (USC00168539), adjusted for the elevation of Slidell.
Slidell weather month by month
Sunrise and sunset in Slidell through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:54 AM | 5:22 PM | 10 h 27 min |
| February | 6:37 AM | 5:48 PM | 11 h 11 min |
| March | 7:07 AM | 7:08 PM | 12 h 1 min |
| April | 6:30 AM | 7:27 PM | 12 h 57 min |
| May | 6:03 AM | 7:47 PM | 13 h 43 min |
| June | 5:55 AM | 8:03 PM | 14 h 8 min |
| July | 6:06 AM | 8:03 PM | 13 h 57 min |
| August | 6:25 AM | 7:42 PM | 13 h 16 min |
| September | 6:42 AM | 7:05 PM | 12 h 23 min |
| October | 7:00 AM | 6:29 PM | 11 h 29 min |
| November | 6:23 AM | 5:03 PM | 10 h 40 min |
| December | 6:46 AM | 5:01 PM | 10 h 14 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Slidell?
Slidell has a humid subtropical climate. The warmest month is August, with an average high of 90°F (32°C), and the coldest is January, with average lows of 42°F (5°C).
It gets about 66.2 inches (1,681 mm) of precipitation a year. The wettest month is July and the driest is October.
The best time to visit Slidell is April–May and October–November. At 3 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Slidell
Weather in towns near Slidell
Questions about the weather in Slidell
What is the hottest month in Slidell?
August, with an average high of 90°F (32°C).
What is the coldest month in Slidell?
January, with an average low of 42°F (5°C).
How much does it rain in Slidell?
About 66.2 inches (1,681 mm) a year; the wettest month is July.
Does it snow in Slidell?
Rarely: less than an inch in an average year.
When is the best time to visit Slidell?
April–May and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Slidell have?
Humid subtropical (Köppen Cfa).
What is the weather like in Slidell in November?
Highs average 70°F and lows 49°F, with about 4.2 inches of precipitation.
What time is sunrise in Slidell?
Around 6:23 AM in mid-November, and sunset around 5:03 PM. Today’s exact times are shown above.
Where does this Slidell weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Slidell.
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