Countries in South America by precipitation
Average rain and snow in a year over the whole country, in millimetres — a long-term average, not one year’s weather. 12 countries in South America, highest first. World Bank, 2022
Median country
1,750
half above, half below| # | Country | mm a year | Region |
|---|---|---|---|
| 1 |  Colombia | 3,240 | South America |
| 2 |  Guyana | 2,387 | South America |
| 3 |  Suriname | 2,331 | South America |
| 4 |  Ecuador | 2,274 | South America |
| 5 |  Venezuela | 2,044 | South America |
| 6 |  Brazil | 1,761 | South America |
| 7 |  Peru | 1,738 | South America |
| 8 |  Chile | 1,522 | South America |
| 9 |  Uruguay | 1,300 | South America |
| 10 |  Bolivia | 1,146 | South America |
| 11 |  Paraguay | 1,130 | South America |
| 12 |  Argentina | 591 | South America |
Questions
- Which country in South America has the most rain and snow?
- Colombia has the most rain and snow in South America: 3,240 mm a year (2022). Next come Guyana (2,387 mm a year) and Suriname (2,331 mm a year).
- Which country in South America has the least rain and snow?
- Argentina, with 591 mm a year (2022).
- What is the typical precipitation of a country in South America?
- The median of the 12 countries in South America is 1,750 mm a year: half are above it, half below. The median, not the average, because a few countries at the top would drag an average far above almost everyone.
- Where do the figures come from?
- Average rain and snow in a year over the whole country, in millimetres — a long-term average, not one year’s weather. Source: World Bank, 2022. Only independent states are ranked; territories are listed separately. A country’s continent follows Natural Earth; the handful of island states it files under the open ocean are placed by their UN subregion.
Source: World Bank (CC BY 4.0). Figures more than 10 years older than the newest are left out rather than shown beside current ones. Countries sharing a value share a rank. All sources.