Hot
Average highs reach 32°C, so days can feel very 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
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 157mm, so some wet days are possible.
Some sun
Sunshine averages 7.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Slidell, Louisiana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August is one of Slidell's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August157mm average rain
August is one of Slidell's wettest months, so rain is likely to be a major planning factor.
Driest monthsJune and October to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.9 hours average sun
August is brighter than Slidell's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is one of Slidell's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August67 weather score
August scores above Slidell's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
