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Maranhao

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Maranhao Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Maranhao year round climate

  • Spring (March to May): Average 25.9–27°C, hot and humid climate, with the most rainfall in March. Sun protection and rain gear are necessary. Common activities: Visiting historical sites, exploring natural attractions. Recommended clothing: Light, breathable cotton clothing, rain gear.
  • Summer (June to August): Average 27–30°C, hot and dry climate, with very little rainfall. Common activities: Enjoying the beach, water activities. Recommended clothing: Light short sleeves, shorts, swimwear, hat and sunscreen.
  • Autumn (September to November): Average 28.3–30°C, hot and humid climate, with increasing rainfall in November. Common activities: Visiting local markets, tasting local cuisine. Recommended clothing: Light, breathable clothing, rain gear.
  • Winter (December to February): Average 26.3–27.6°C, hot and humid climate, with moderate rainfall. Common activities: Exploring Lençóis Maranhenses National Park, admiring the sand dunes. Recommended clothing: Light, breathable clothing, rain gear.

Maranhao climatological average

Annual average temperature: approx. 27.5°C / Annual rainfall: approx. 1162 mm / Summer humidity: 70%–80% / Rainiest month: March

Maranhao monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
26.3°C
172.3
February
26.3°C
226.7
March
25.9°C
275
April
26.3°C
122
May
27°C
82.7
June
27.1°C
10.3
July
27°C
4.7
August
28.4°C
3.7
September
30°C
9
October
30°C
25.3
November
28.3°C
128
December
27.6°C
102.5

Maranhao weather for the next seven days

9/22
Tuesday
Sunny
40.1°C/21.6°C
9/23
Wednesday
Sunny
40.6°C/21.7°C
9/24
Thursday
Sunny
40.8°C/22.4°C
9/25
Friday
Sunny
40°C/23.6°C
9/26
Saturday
Sunny
40.2°C/23°C
9/27
Sunday
Sunny
37.9°C/23.5°C
9/28
Monday
Patchy rain nearby
37°C/23.9°C

Maranhao Frequently Asked Questions and Useful Information for Travel

Is it worth going to Lençóis Maranhenses in Maranhao?

Yes, visiting Lençóis Maranhenses National Park in Maranhao is an unforgettable experience. This unique landscape of white sand dunes and glistening freshwater lagoons is truly mesmerizing and unlike anywhere else in the world.

What is Maranhão, Brazil known for?

Maranhão, Brazil is known for its stunning natural beauty, particularly the Lençóis Maranhenses National Park. While much of the region is economically underdeveloped, it relies heavily on agriculture and cattle raising, with palm oils and rice being major export items.

What is the best month to travel to Maranhao?

The best months to visit Maranhao, specifically for Lençóis Maranhenses, are typically from May to September when the freshwater lagoons are full and the weather is pleasant. This period offers a balance of beautiful scenery and good travel conditions.

How to travel to Lençóis Maranhenses from São Luís?

To reach Lençóis Maranhenses, you'll typically fly into São Luís Airport (SLZ) in Maranhao. From São Luís, you can take a bus or transfer to popular base towns like Barreirinhas or Santo Amaro. Access to the lagoons from Barreirinhas is usually by 4x4 vehicles on guided tours.

What are the main attractions in Maranhao?

The primary attraction in Maranhao is the breathtaking Lençóis Maranhenses National Park, famous for its vast expanses of white sand dunes dotted with crystal-clear freshwater lagoons. Other attractions include the historic city of São Luís, with its Portuguese colonial architecture.