Average Monthly Sunshine in Gretna (LA)

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

Monthly hours of sunshine

Seasonal sunshine in Gretna varies. It peaks at 279 hours in May and drops to 152 hours in January. The total annual amount of sun is 2651 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 5.1 hours of sunlight per day.

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

Gretna 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, Dublin, Ireland, receives only about 1440 hours of sunshine per year, known for its frequently overcast and rainy skies.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

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

Other climate information

July, Gretna’s wettest month, receives 209 mm of rainfall and has a maximum daytime temperature of 33°C. During the driest month November you can expect a temperature of 22°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.