Average monthly rainy days in Rio de Janeiro
- On average, December is the most rainy.
- On average, July has the least rainy days.
- The average annual amount of rainy days is: 131.0 days
More climate information
Weather and Climate offers all the information you need to know about the climate in Rio de Janeiro.
We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Brazil and climate and forecast data for all other countries in the world.