Maranhão Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Maranhão, Brazil in January.

Planning a journey to Maranhão, Brazil this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Maranhão in January

Maranhão, Brazil is a region in Brazil. January in Maranhão generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between warm in São Luís at 30°C (86°F) to very warm in Barreirinhas at 32°C (90°F). Nighttime temperatures generally drop to 25°C (77°F) in Barreirinhas and 25°C (77°F) in São Luís. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

For a closer look at conditions across Maranhão, Brazil, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From high rainfall in Barreirinhas with an average of 154 mm (6.1 in) to heavy rainfall in Carolina with 272 mm (11 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, São Luís enjoys approximately 194 hours of sunlight, ideal for those seeking sunny weather.

Explore Maranhão by month

Best Places to Visit in Maranhão in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maranhão.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Maranhão

What is the weather like in January for some of the most popular destinations in Maranhão, Brazil?

Temperature range in Maranhão (January)

Precipitation variation in Maranhão (January)

São Luís

In January São Luís generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
31°C (88°F)
30°C (86°F)
29°C (84°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
206 hours
194 hours
114 hours
Monthly rainfall
83 mm (3.3 in)
226 mm (8.9 in)
333 mm (13 in)
Monthly rainy days
12 days
26 days
28 days
Weather conditions

Carolina

In January Carolina generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
32°C (90°F)
32°C (90°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
130 hours
136 hours
121 hours
Monthly rainfall
212 mm (8.3 in)
272 mm (11 in)
288 mm (11 in)
Monthly rainy days
18 days
24 days
24 days
Weather conditions

Santo Amaro

In January Santo Amaro generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

December
January
February
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
56 mm (2.2 in)
184 mm (7.2 in)
293 mm (12 in)
Monthly rainy days
12 days
25 days
28 days
Weather conditions

Barreirinhas

In January Barreirinhas generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are tolerable that month.

December
January
February
Max temperature
33°C (91°F)
32°C (90°F)
31°C (88°F)
Min temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Monthly rainfall
47 mm (1.9 in)
154 mm (6.1 in)
242 mm (9.5 in)
Monthly rainy days
13 days
25 days
27 days
Weather conditions

Atins

In January Atins generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

December
January
February
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
46 mm (1.8 in)
162 mm (6.4 in)
267 mm (11 in)
Monthly rainy days
13 days
25 days
27 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Maranhão, in Brazil.

In our records: Brazil January extremes

Notable January records observed across cities in Brazil in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest January day in Brazil reached 43°C (109°F) in Rio de Janeiro on January 22, 1988.
  • From our sources, the wettest January day in Brazil brought 318 mm (13 in) in Balneário Camboriú on January 31, 2008.

Popular cities in January

Day & night temperatures, rainfall and average weather in Maranhão in January.

City Weather Day temp Night temp Rainfall
São Luís 30°C (86°F) 25°C (77°F) 226 mm (8.9 in)
Carolina 32°C (90°F) 23°C (73°F) 272 mm (11 in)
Santo Amaro 31°C (88°F) 25°C (77°F) 184 mm (7.2 in)
Barreirinhas 32°C (90°F) 25°C (77°F) 154 mm (6.1 in)
Atins 30°C (86°F) 25°C (77°F) 162 mm (6.4 in)
Imperatriz 32°C (90°F) 23°C (73°F) 220 mm (8.7 in)

Maranhão weather in January: frequently asked questions

What is the weather like in Maranhão, Brazil in January?

In January, Maranhão, Brazil generally has poor weather conditions. São Luís sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Maranhão, Brazil in January?

São Luís averages a daytime maximum of 30°C (86°F) in January, with overnight lows close to 25°C (77°F).

Does Maranhão, Brazil get a lot of rain in January?

Expect plenty of rainfall. São Luís records an average of 226 mm (8.9 in) in January, putting it among the wetter months for Maranhão, Brazil.

Is January a Good Time to Visit Maranhão, Brazil?

In our opinion, January may not be the ideal time to visit Maranhão, Brazil due to the typically poor weather in São Luís.

On average, the best time to visit Maranhão, Brazil is in September and October with generally pleasant weather in São Luís. On the other hand, the weather in January, February, March, April and May tend to be poor.

Interested in more climate information?

We have much more information about the climate in Maranhão.

Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed historical weather averages for many cities in Brazil.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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