São Luís 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 Luís, Maranhão, Brazil. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in São Luís varies. It peaks at 260 hours in August and drops to 107 hours in March. The total annual amount of sun is 2355 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in São Luís. While August receives considerable daily sunshine with up to 8.7 hours, March marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

São Luís enjoys an average of 2355 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, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

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.

March, São Luís’s wettest month, receives 34 mm (1.3 in) of rainfall and has a maximum daytime temperature of 29°C (84°F). During the driest month September you can expect a temperature of 31°C (88°F).

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