São Luís Weather in March

March in São Luís brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in São Luís in March

As part of the rainy season, São Luís sees around 31 days of rain in March, with an average of 434 mm (17 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in São Luís in March

In March, São Luís sees high temperatures, with highs of 29°C (84°F). Nights drop to around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in São Luís in March

You can expect a moderate amount of sunlight, with approximately 107 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit São Luís. Our weather planner can help you explore destinations with more pleasant weather conditions.