Average monthly snow and rainfall in Rio de Janeiro (millimeter)
- A lot of rain (rainy season) falls in the months: January, February, March and April.
- On average, April is the wettest month.
- On average, December is the driest month.
- The average amount of annual precipitation is: 999.9 mm (39.37 in)
Show average precipitation in Rio de Janeiro in Inches »
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.