Despite its size (~8.5 million km²), Brazil receives an estimated total of ~15 trillion m³ of rain annually — equivalent to about 2.5 times the volume of Lake Superior. 2. The Primary Atmospheric Drivers Brazil’s rainfall patterns are governed by a handful of major atmospheric systems:
Brazil's average annual rainfall is approximately 1,761 mm (69.3 inches) per year. This is nearly double the global land average (~800 mm) and places Brazil among the rainiest large nations on Earth. However, this national average masks extreme spatial and temporal variability. average rainfall in brazil
| Driver | Type | Primary Affected Region | Seasonal Influence | |--------|------|------------------------|--------------------| | (South Atlantic Convergence Zone) | Convective band | Southeast, Center-West | Summer (Dec–Feb) | | ITCZ (Intertropical Convergence Zone) | Zonal convergence | North (Amazon, Northeast coast) | Mar–May & Oct–Nov | | MCCs (Mesoscale Convective Complexes) | Thunderstorm clusters | South, parts of Southeast | Spring & Summer | | ENSO (El Niño Southern Oscillation) | Teleconnection | Nationwide | Year-round (interannual) | | South American Monsoon System | Monsoonal circulation | Amazon to Southeast | Oct–Mar | Despite its size (~8
To ensure the best user experience on our site, we use cookies and other data for technical, analytical, and marketing purposes.
By continuing to use our site, you consent to the use of cookies.