Maranhão Weather in May

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

Considering a trip to Maranhão, Brazil this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Maranhão in May

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

Temperatures

The average maximum daytime temperatures vary from warm in São Luís at 30°C (86°F) to very warm in Carolina at 34°C (93°F). Nighttime temperatures generally drop to 23°C (73°F) in Carolina and 25°C (77°F) in São Luís. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To learn more about the conditions in specific areas of Maranhão, Brazil, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Carolina with an average of 76 mm (3 in) to heavy rainfall in São Luís with 291 mm (11 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take São Luís as an example - it receives around 163 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Maranhão by month

Pick a month to see the average temperature, rainfall and sunshine in Maranhão — and find the best time to visit. (based on São Luís)

Best Places to Visit in Maranhão in May

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 May for some of the most popular destinations in Maranhão, Brazil?

Temperature range in Maranhão (May)

Precipitation variation in Maranhão (May)

São Luís

In May 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.

May
April
May
June
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
114 hours
163 hours
213 hours
Monthly rainfall
429 mm (17 in)
291 mm (11 in)
160 mm (6.3 in)
Monthly rainy days
30 days
31 days
20 days
Weather conditions

Carolina

In May Carolina generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
33°C (91°F)
34°C (93°F)
35°C (95°F)
Min temperature
23°C (73°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
164 hours
246 hours
277 hours
Monthly rainfall
189 mm (7.4 in)
76 mm (3 in)
7.3 mm (0.3 in)
Monthly rainy days
23 days
22 days
16 days
Weather conditions

Santo Amaro

In May 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 poor that month.

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
401 mm (16 in)
239 mm (9.4 in)
109 mm (4.3 in)
Monthly rainy days
30 days
30 days
20 days
Weather conditions

Barreirinhas

In May Barreirinhas generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
31°C (88°F)
32°C (90°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
333 mm (13 in)
209 mm (8.2 in)
79 mm (3.1 in)
Monthly rainy days
30 days
30 days
21 days
Weather conditions

Atins

In May Atins generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
367 mm (14 in)
222 mm (8.7 in)
99 mm (3.9 in)
Monthly rainy days
30 days
30 days
20 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
São Luís 30°C (86°F) 25°C (77°F) 291 mm (11 in)
Carolina 34°C (93°F) 23°C (73°F) 76 mm (3 in)
Santo Amaro 31°C (88°F) 25°C (77°F) 239 mm (9.4 in)
Barreirinhas 32°C (90°F) 24°C (75°F) 209 mm (8.2 in)
Atins 30°C (86°F) 26°C (79°F) 222 mm (8.7 in)
Imperatriz 33°C (91°F) 23°C (73°F) 84 mm (3.3 in)

Maranhão weather in May: frequently asked questions

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

May in Maranhão, Brazil brings poor weather. In São Luís, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 25°C (77°F).

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

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

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

Expect plenty of rainfall. São Luís records an average of 291 mm (11 in) in May, putting it among the wetter months for Maranhão, Brazil.

Is May a Good Time to Visit Maranhão, Brazil?

In our view, May might not be the best time to travel to Maranhão, Brazil with often poor weather in São Luís.

Generally speaking, September and October provide pleasant weather in São Luís. The weather in January, February, March, April and May, on the other hand, tends 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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