Average Monthly Sunshine in Slidell (LA)

The graphs on this page shows the average number of hours per month and per day that Slidell receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Slidell varies greatly throughout the year. The sunniest month, May, reaches an impressive 279 hours, while January, the darkest month, offers only 152 hours. The total annual amount of sun is 2651 hours.

Daily hours of sunshine

For those who appreciate different seasons, the city serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 9.3 hours of sunshine daily, and embrace the darker days in January, offering only 5.1 hours of daily sunlight.

Slidell’s total hours of sunshine compared to other major cities

Slidell enjoys an average of 2651 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

August, Slidell’s wettest month, receives 197 mm of rainfall and has a maximum daytime temperature of 33°C. During the driest month November you can expect a temperature of 21°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Precipitation page.