Paraty

Rio de Janeiro State Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Rio de Janeiro State, Brazil in May.

Considering a trip to Rio de Janeiro State, 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 Rio de Janeiro State in May

Rio de Janeiro State, Brazil is a region in Brazil. May in Rio de Janeiro State generally has warm temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are warm and range from 23°C (73°F) in Visconde De Maua to 29°C (84°F) in Campos dos Goytacazes. Nighttime temperatures generally drop to 19°C (66°F) in Campos dos Goytacazes and 13°C (55°F) in Visconde De Maua.

For a closer look at conditions across Rio de Janeiro State, Brazil, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Volta Redonda with an average of 56 mm (2.2 in) to heavy rainfall in Paraty with 160 mm (6.3 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Rio de Janeiro as an example - it receives around 188 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 Rio de Janeiro State by month

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

Best Places to Visit in Rio de Janeiro State in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio de Janeiro State.

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 Rio de Janeiro State

What is the weather like in May for some of the most popular destinations in Rio de Janeiro State, Brazil?

Temperature range in Rio de Janeiro State (May)

Precipitation variation in Rio de Janeiro State (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

Búzios

In May Búzios generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
23°C (73°F)
21°C (70°F)
21°C (70°F)
Monthly rainfall
74 mm (2.9 in)
65 mm (2.6 in)
39 mm (1.5 in)
Monthly rainy days
15 days
13 days
10 days
Weather conditions

Paraty

In May Paraty generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
26°C (79°F)
24°C (75°F)
24°C (75°F)
Min temperature
21°C (70°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
102 hours
110 hours
106 hours
Monthly rainfall
238 mm (9.4 in)
160 mm (6.3 in)
115 mm (4.5 in)
Monthly rainy days
13 days
11 days
9 days
Weather conditions

Cabo Frio

In May Cabo Frio generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
23°C (73°F)
22°C (72°F)
21°C (70°F)
Monthly rainfall
70 mm (2.8 in)
66 mm (2.6 in)
40 mm (1.6 in)
Monthly rainy days
15 days
13 days
10 days
Weather conditions

Ilha Grande

In May Ilha Grande generally has high temperatures with maximum daytime temperatures around 25°C (77°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
27°C (81°F)
25°C (77°F)
24°C (75°F)
Min temperature
22°C (72°F)
20°C (68°F)
19°C (66°F)
Monthly rainfall
128 mm (5 in)
98 mm (3.9 in)
68 mm (2.7 in)
Monthly rainy days
14 days
11 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Rio de Janeiro State, in Brazil.

Popular cities in May

Day & night temperatures, rainfall and average weather in Rio de Janeiro State 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)
Paraty 24°C (75°F) 19°C (66°F) 160 mm (6.3 in)
Búzios 26°C (79°F) 21°C (70°F) 65 mm (2.6 in)
Cabo Frio 26°C (79°F) 22°C (72°F) 66 mm (2.6 in)
Ilha Grande 25°C (77°F) 20°C (68°F) 98 mm (3.9 in)
Arraial do Cabo 25°C (77°F) 22°C (72°F) 66 mm (2.6 in)

Rio de Janeiro State weather in May: frequently asked questions

What is the weather like in Rio de Janeiro State, Brazil in May?

In May, Rio de Janeiro State, Brazil generally has perfect weather conditions. Rio de Janeiro sees daytime temperatures near 27°C (81°F), with nights cooling to roughly 20°C (68°F).

What is the average temperature in Rio de Janeiro State, Brazil in May?

In Rio de Janeiro, the average daytime high in May is 27°C (81°F), while nighttime temperatures drop to around 20°C (68°F).

Does Rio de Janeiro State, Brazil get a lot of rain in May?

May is on the drier side in Rio de Janeiro State, Brazil. Rio de Janeiro averages only about 80 mm (3.1 in), with most days staying dry.

Is May a Good Time to Visit Rio de Janeiro State, Brazil?

We consider May to be one of the best times to travel to Rio de Janeiro State, Brazil. Typically, the climate in Rio de Janeiro is perfect.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly perfect weather in Rio de Janeiro. On the other hand, the weather in January and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Rio de Janeiro State.

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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