Maranhão weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Maranhão, Brazil. Like most weather services, we show Maranhão at one spot: São Luís, its largest city. At 6:30 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.
Current conditions
- Clouds
- 0%
- 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.
Maranhão weather by month
When is the best time to visit Maranhão?
Based on weather alone, the best time to visit Maranhão 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 Maranhão?
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 Maranhão?
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 Maranhão 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).
How warm is the sea in Maranhão?
The sea is warmest in May at about 31°C (87°F) and coolest in October at about 29°C (84°F). It is warm enough for swimming all year.
Maranhão weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for São Luís), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Maranhão
Weather can differ a lot within Maranhão: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| São Luís | Jul–Dec | Jan–May | 28–32°C | 1,717 mm |
| Imperatriz | Jun–Jul | Dec–Apr | 29–37°C | 1,314 mm |
| São José de Ribamar | Jul–Dec | Jan–May | 29–32°C | 1,513 mm |
| Timon | Jun–Aug | Jan–Apr | 29–37°C | 1,277 mm |
| Caxias | Jun–Aug | Jan–Apr | 29–37°C | 1,277 mm |
| Paço do Lumiar | Jul–Dec | Jan–May | 28–32°C | 1,717 mm |
| Codó | Jun–Aug | Jan–Apr | 29–37°C | 1,381 mm |
| Açailândia | Jun–Aug | Jan–Apr | 28–36°C | 1,393 mm |
| Bacabal | Jun–Aug | Jan–May | 29–38°C | 1,512 mm |
| Balsas | May–Aug | Dec–Mar | 29–37°C | 1,207 mm |
| Barra do Corda | Jun–Aug | Jan–Apr | 29–37°C | 1,096 mm |
| Santa Inês | Jun–Sep | Jan–May | 28–36°C | 1,624 mm |
Cities and towns in Maranhão
- São Luís
- Imperatriz
- São José de Ribamar
- Timon
- Caxias
- Paço do Lumiar
- Codó
- Açailândia
- Bacabal
- Balsas
- Barra do Corda
- Santa Inês
- Pinheiro
- Chapadinha
- Grajaú
- Itapecuru Mirim
- Barreirinhas
- Coroatá
- Tutóia
- Santa Luzia
- Vargem Grande
- Buriticupu
- Viana
- Coelho Neto
- São Bento
- Presidente Dutra
- Lago da Pedra
- Rosário
- Santa Helena
- Tuntum
- Amarante do Maranhão
- Colinas
- Zé Doca
- Araioses
- São Mateus do Maranhão
- Turiaçu
- Pedreiras
- Santa Rita
- Brejo
- Parnarama
- São Domingos do Maranhão
- Matões
- Urbano Santos
- Estreito
- Bom Jardim
- Vitória do Mearim
- Penalva
- Alto Alegre do Pindaré
- Turilândia
- Cururupu
- Vitorino Freire
- Pindaré-Mirim
- Raposa
- Buriti
- Arari
- Timbiras
- Humberto de Campos
- Bom Jesus das Selvas
- Monção
- Icatu
- São Bernardo
- São João dos Patos
- Santa Quitéria do Maranhão
- Arame
- Anajatuba
- João Lisboa
- Pedro do Rosário
- Santa Luzia do Paruá
- Carutapera
- Carolina
- Porto Franco
- Alto Alegre do Maranhão
- Miranda do Norte
- Aldeias Altas
- Governador Nunes Freire
- Dom Pedro
- Santa Luzia
- Itinga do Maranhão
- Trizidela do Vale
- Buriti Bravo
- São Vicente Ferrer
- Cantanhede
- Matinha
- Pio XII
- Maracaçumé
- Bequimão
- Mirador
- São João Batista
- Peritoró
- Paulo Ramos
- Riachão
- Cândido Mendes
- Palmeirândia
- Barão de Grajaú
- São Raimundo das Mangabeiras
- Pastos Bons
- São Benedito do Rio Preto
- Bacuri
- Morros
- Alcântara
- Governador Edison Lobão
- Esperantinópolis
- Paraibano
- São Luís Gonzaga do Maranhão
- Olho d’Água das Cunhãs
- Formosa da Serra Negra
- Pirapemas
- Estreito
- Apicum-Açu
- Presidente Sarney
- Matões do Norte
- Passagem Franca
- Poção de Pedras
- Mata Roma
- Jenipapo dos Vieiras
- Sítio Novo
- Paulino Neves
- Bacabeira
- São João do Soter
- Maranhãozinho
- Cajari
- Centro Novo do Maranhão
- Fortuna
- Primeira Cruz