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Brazil Weather in May

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

Considering a trip to 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 Brazil in May

Brazil has a wide variety of climate types. During May, you can expect temperatures that range from mild to very warm and precipitation levels ranging from low to heavy.

Temperatures

The average highest temperatures fluctuate between mild in São Joaquim national park at 18°C (64°F) to very warm in Peixe at 34°C (93°F). Nighttime temperatures generally drop to 23°C (73°F) in Peixe and 8°C (46°F) in São Joaquim national park.

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

Precipitation

In May, precipitation varies across different areas. From low rainfall in Monte Azul with an average of 12 mm (0.5 in) to heavy rainfall in Barcelos with 403 mm (16 in).

Average sunshine

Sunshine is moderately available across various locations. In Rio de Janeiro, you can expect around 188 hours of sunlight in May, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Brazil by month

Pick a month to see the average temperature, rainfall and sunshine in Brazil — and find the best time to visit. (based on Rio de Janeiro)

Best Places to Visit in Brazil in May

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

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 Brazil

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

Temperature range in Brazil (May)

Precipitation variation in Brazil (May)

Rio de Janeiro

In May Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
30°C (86°F)
27°C (81°F)
27°C (81°F)
Min temperature
22°C (72°F)
20°C (68°F)
19°C (66°F)
Monthly sun hours
183 hours
188 hours
176 hours
Monthly rainfall
101 mm (4 in)
80 mm (3.1 in)
52 mm (2 in)
Monthly rainy days
15 days
12 days
10 days
Weather conditions

Sao Paulo

In May Sao Paulo generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
27°C (81°F)
24°C (75°F)
24°C (75°F)
Min temperature
17°C (63°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
165 hours
182 hours
172 hours
Monthly rainfall
79 mm (3.1 in)
71 mm (2.8 in)
55 mm (2.2 in)
Monthly rainy days
13 days
12 days
10 days
Weather conditions

Florianópolis

In May Florianópolis generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
26°C (79°F)
23°C (73°F)
22°C (72°F)
Min temperature
20°C (68°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
171 hours
176 hours
153 hours
Monthly rainfall
98 mm (3.9 in)
118 mm (4.6 in)
103 mm (4.1 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions

Gramado

In May Gramado generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
24°C (75°F)
21°C (70°F)
19°C (66°F)
Min temperature
14°C (57°F)
10°C (50°F)
9°C (48°F)
Monthly rainfall
141 mm (5.6 in)
145 mm (5.7 in)
143 mm (5.6 in)
Monthly rainy days
13 days
14 days
16 days
Weather conditions

Fortaleza

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

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
156 hours
209 hours
240 hours
Monthly rainfall
266 mm (10 in)
137 mm (5.4 in)
83 mm (3.3 in)
Monthly rainy days
29 days
30 days
23 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Rio de Janeiro 27°C (81°F) 20°C (68°F) 80 mm (3.1 in)
Florianópolis 23°C (73°F) 17°C (63°F) 118 mm (4.6 in)
Sao Paulo 24°C (75°F) 14°C (57°F) 71 mm (2.8 in)
Fortaleza 31°C (88°F) 25°C (77°F) 137 mm (5.4 in)
Salvador 28°C (82°F) 25°C (77°F) 195 mm (7.7 in)
Foz do Iguaçu 25°C (77°F) 15°C (59°F) 166 mm (6.5 in)

Brazil weather in May: frequently asked questions

What is the weather like in Brazil in May?

May in Brazil brings perfect weather. In Rio de Janeiro, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 20°C (68°F).

What is the average temperature in Brazil in May?

Daytime temperatures in Rio de Janeiro peak at roughly 27°C (81°F) in May, dropping to about 20°C (68°F) overnight.

Does Brazil get a lot of rain in May?

Not particularly. Rio de Janeiro averages just 80 mm (3.1 in) of rain in May, making it a mostly dry month for Brazil.

Is May a Good Time to Visit Brazil?

We consider May to be one of the best times to travel to Brazil. Typically, the climate in Rio de Janeiro is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Brazil is in May, June, July, August and September with generally perfect weather in Rio de Janeiro. On the other hand, the months of January and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Brazil.

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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