São Luís weather
At 7:45 PM local time it was clear and 27°C (81°F). Light rain for 3 of the next 24 hours (under 1 mm/h, 0.9 mm total) — cloudy, but fine to be out. Best months for weather: Jul–Dec. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for São Luís, Maranhão, Brazil.
Current conditions
- Clouds
- 2%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 3 of the next 24 hours (under 1 mm/h, 0.9 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jul–DecOff season Feb–May
About São Luís weather
Is it raining in São Luís right now?
No. It’s clear and 27° right now. Light rain for 3 of the next 24 hours (under 1 mm/h, 0.9 mm total) — cloudy, but fine to be out.
What’s the weather like in São Luís this week?
Over the next 7 days, expect highs of 33–34° and lows of 25–27°. Rain is likely on 1 of 7 days (Monday). The driest day looks like Saturday.
Has it been raining in São Luís lately?
In the past 7 days, São Luís had 5 rainy days and 21.3 mm of rain in total.
What should I pack for São Luís?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
São Luís weather by month
When is the best time to visit São Luís?
Based on weather alone, the best time to visit São Luís is Jul–Dec, according to NASA's 2001–2025 climate averages. Feb–May tends to be the least pleasant. Average highs run from 28°C (82°F) in April to 32°C (89°F) in September.
What is the rainiest month in São Luís?
April is the wettest month, with about 357 mm (14.1 in) of rain on average. October is the driest, with about 15 mm (0.6 in).
What is the hottest month in São Luís?
September is the warmest, with average highs of 32°C (89°F) and lows of 25°C (76°F). April is the coolest, with highs of 28°C (82°F) and lows of 25°C (77°F).
Does São Luís have a rainy season?
Yes. Jan–May is the rainy season (150 mm or more a month), while Aug–Dec is usually dry (under 60 mm).
São Luís weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months