São Luís

What is the climate like in São Luís?

The best time to visit São Luís is typically July – November, with trip comfort peaking in September (8.2/10). São Luís is warmest in August, when daily highs average 85°F (29°C), and coolest in March, when lows fall to about 78°F (25°C). The wettest month is typically March and the driest is September; the year sees roughly 90 in (2279 mm) of precipitation.

• Best time to visitJuly – November — comfort peaks in September (8.2/10)
• Warmest monthAugust — average high 85°F (29°C)
• Coolest monthMarch — average low 78°F (25°C)
• Wettest monthMarch (19 in (473 mm))
• Driest monthSeptember (0.7 in (17 mm))
• Annual precipitation90 in (2279 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSao Luiz, 0 km away (1974-1993)