Weather in May in Brazil

Many people wonder what the weather conditions are in May in Brazil. Is this month a good time to go to Brazil? To answer that question we created this page with all the information you need.

What is the weather like in Brazil in May?

The weather in Brazil in May ranges from poor to perfect depending on the destination.

During May in Brazil, the temperature ranges from moderate in São Joaquim with 16°C (61°F) to very high temperatures in Conceicao with 33°C (91°F). Minimum nighttime temperatures generally drop to 20°C (68°F) in Conceicao and 8°C (46°F) in São Joaquim.

Precipitation in May ranges from low in Monte Azul with an average of 9mm (0.4inch) rainfall to heavy in Belém with 2280mm (90inch). It is also generally a moderate sunny month with an average of 188 hours of sunshine in Rio de Janeiro during the whole month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Brazil.

Where to go in Brazil in May

Find the average weather conditions in May for the most popular destinations in Brazil on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Brazil

What is the weather like in May for the 5 most popular destinations in Brazil?

Average weather in Rio de Janeiro

In May Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C (80°F), minimum nighttime temperatures around 21°C (69°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Rio de Janeiro
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
28°C / 82°F 
22°C / 72°F 
183 hours 
95mm / 3.7inch 
9 days 
27°C / 80°F 
21°C / 69°F 
188 hours 
70mm / 2.8inch 
6 days 
June   >> June
>>  
25°C / 77°F 
19°C / 66°F 
176 hours 
43mm / 1.7inch 
6 days 
Climate in Rio de Janeiro

Average weather in Sao Paulo

In May Sao Paulo generally has high temperatures with maximum daytime temperatures around 23°C (74°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Sao Paulo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
26°C / 79°F 
17°C / 63°F 
165 hours 
72mm / 2.8inch 
7 days 
23°C / 74°F 
14°C / 57°F 
182 hours 
71mm / 2.8inch 
6 days 
June   >> June
>>  
23°C / 73°F 
13°C / 55°F 
172 hours 
50mm / 2inch 
4 days 
Climate in Sao Paulo

Average weather in Florianópolis

In May Florianópolis generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 16°C (60°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Florianópolis
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
27°C / 80°F 
18°C / 64°F 
171 hours 
122mm / 4.8inch 
9 days 
24°C / 75°F 
16°C / 60°F 
176 hours 
135mm / 5.3inch 
9 days 
June   >> June
>>  
22°C / 72°F 
13°C / 56°F 
153 hours 
74mm / 2.9inch 
7 days 
Climate in Florianópolis

Average weather in Gramado

In May Gramado generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

Gramado
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Weather conditions Weather
<<   April April
<<  
20°C / 68°F 
11°C / 52°F 
155mm / 6.1inch 
18°C / 64°F 
9°C / 48°F 
144mm / 5.7inch 
June   >> June
>>  
17°C / 62°F 
8°C / 46°F 
177mm / 7inch 
Climate in Gramado

Average weather in Fortaleza

In May Fortaleza generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 23°C (74°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Fortaleza
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
30°C / 85°F 
23°C / 74°F 
156 hours 
351mm / 14inch 
21 days 
poor 
30°C / 86°F 
23°C / 74°F 
209 hours 
250mm / 9.8inch 
19 days 
poor 
June   >> June
>>  
30°C / 85°F 
23°C / 73°F 
240 hours 
140mm / 5.5inch 
14 days 
Climate in Fortaleza

Is your destination not in the list? Have a look at other destinations in Brazil.

Is May the best time to go to Brazil?

In our opinion May is one of the best times to visit Brazil with commonly perfect weather in Rio de Janeiro. However, the weather conditions may vary depending on your destination.

On average the best time to visit Brazil is in April, May, June, July, August, September, October and November with generally perfect weather in Rio de Janeiro. The worst months are January, February and March that can have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Brazil. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.