Average weather in May in Rio de Janeiro (Rio de Janeiro State), Brazil

The average minimum temperature (usually the minimum temperature is noted during the night) in Rio de Janeiro in May is 20.5°C (68.9°F). The amount of rain in May is normal with an average of 70mm (2.8in). It rains on average a total of 6 days. The average maximum daytime temperature lies around 26.6°C (79.88°F). The sun will occasionally show itself with 188 hours of sunshine during the whole month.


So what to wear in May? Visitors traveling to Rio de Janeiro should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 24.0°C (75.2°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in May look at the numbers below.

Monthly Averages in May

Show in Celsius

Min Temperature 68 °F
Max Temperature 79 °F
Water Temperature 75 °F
Chance of Rain 20%
Precipitation 3 in
Rainy Days 6
Sunshine Hours 188

Where to stay in Rio de Janeiro

Where to go in Brazil in May

Find out more about the weather in Brazil in May and which places have the best weather conditions in this month.

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).

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming
7/10
Cycling
8/10
Walking
8/10
Camping
8/10
Outdoor sports
8/10

Weather Forecasts for Rio de Janeiro (Rio de Janeiro State)

FRI Aug 12
71°F | 64°F
Moderate rain

Moderate rain

SAT Aug 13
80°F | 60°F
Sunny

Sunny

SUN Aug 14
80°F | 61°F
Sunny

Sunny

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Rio de Janeiro.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Brazil? On this website you can find 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.