Where is the sea warmest in South America in April?
In April the warmest sea in South America is at Santiago de Tolú, Colombia, at 29.5°C. 102 of 125 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Santiago de Tolú | Colombia | 29.5°C | Bath-like |
| 2 | Fortaleza | Brazil | 29.3°C | Bath-like |
| 3 | Belém | Brazil | 29.2°C | Bath-like |
| 4 | Recife | Brazil | 29.2°C | Bath-like |
| 5 | Natal | Brazil | 29.1°C | Bath-like |
| 6 | São Luís | Brazil | 29.0°C | Bath-like |
| 7 | Maceió | Brazil | 29.0°C | Bath-like |
| 8 | Macapá | Brazil | 28.9°C | Bath-like |
| 9 | Turbo | Colombia | 28.9°C | Bath-like |
| 10 | Aracaju | Brazil | 28.9°C | Bath-like |
| 11 | Necoclí | Colombia | 28.9°C | Bath-like |
| 12 | San Juan de Urabá | Colombia | 28.8°C | Bath-like |
| 13 | Salvador | Brazil | 28.7°C | Bath-like |
| 14 | Ilhéus | Brazil | 28.5°C | Bath-like |
| 15 | Pizarro | Colombia | 28.4°C | Bath-like |
| 16 | Turbaná | Colombia | 28.4°C | Bath-like |
| 17 | Cartagena | Colombia | 28.3°C | Bath-like |
| 18 | Bahía Solano | Colombia | 28.3°C | Bath-like |
| 19 | San Lorenzo de Esmeraldas | Ecuador | 28.3°C | Bath-like |
| 20 | Valdez | Ecuador | 28.3°C | Bath-like |
| 21 | Salahonda | Colombia | 28.3°C | Bath-like |
| 22 | Tumaco | Colombia | 28.2°C | Bath-like |
| 23 | San Andrés | Colombia | 28.2°C | Bath-like |
| 24 | Georgetown | Guyana | 28.2°C | Bath-like |
| 25 | Anna Regina | Guyana | 28.2°C | Bath-like |
Ranked on the NOAA OISST monthly climatology — a long-run average for April, not a forecast. A given April will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.