São Luis Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in São Luis, Alentejo, Portugal. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Seasonal sunshine in São Luis varies. It peaks at 371 hours in July and drops to 156 hours in December. The total annual amount of sun is 2956 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in São Luis. While July receives considerable daily sunshine with up to 12.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.2 hours of sunlight per day.

São Luis enjoys an average of 2956 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

December, São Luis’s wettest month, receives 5.1 mm (0.2 in) of rainfall and has a maximum daytime temperature of 17°C (63°F). During the driest month July you can expect a temperature of 29°C (84°F).

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