Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Slidell, Louisiana, United States Average Monthly Weather
Weather score55Mixed annual avg
Best months: May, June, September
Across the year, average daytime temperatures are around 25°C, sunshine averages 7.2h per day, and rainfall totals about 1570mm. Sea temperatures average 22°C across the year.
Annual weather
Annual averages
Temp
25°C
Rain
1570mm
Annual total
Sun
7.2h
Sea
22°C
Weather score
55
Mixed avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 110mm, so some wet days are possible.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Slidell, Louisiana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November21°C average high
November is on the cooler side of Slidell's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
November110mm average rain
November sits near Slidell's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune and October to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November5.9 hours average sun
November is below Slidell's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November19°C average sea
November is below Slidell's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
November44 weather score
November sits close to Slidell's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
