Where is the sea warmest in South America in January?
In January the warmest sea in South America is at Santiago de Tolú, Colombia, at 29.4°C. 107 of 125 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Santiago de Tolú | Colombia | 29.4°C | Bath-like |
| 2 | Belém | Brazil | 29.1°C | Bath-like |
| 3 | Macapá | Brazil | 29.0°C | Bath-like |
| 4 | San Juan de Urabá | Colombia | 28.6°C | Bath-like |
| 5 | Necoclí | Colombia | 28.5°C | Bath-like |
| 6 | Turbaná | Colombia | 28.5°C | Bath-like |
| 7 | Fortaleza | Brazil | 28.5°C | Bath-like |
| 8 | São Luís | Brazil | 28.5°C | Bath-like |
| 9 | Natal | Brazil | 28.5°C | Bath-like |
| 10 | Turbo | Colombia | 28.5°C | Bath-like |
| 11 | Cartagena | Colombia | 28.4°C | Bath-like |
| 12 | Recife | Brazil | 28.4°C | Bath-like |
| 13 | San Andrés | Colombia | 28.0°C | Bath-like |
| 14 | Salvador | Brazil | 28.0°C | Bath-like |
| 15 | Maceió | Brazil | 28.0°C | Bath-like |
| 16 | Ilhéus | Brazil | 27.9°C | Bath-like |
| 17 | Pizarro | Colombia | 27.8°C | Bath-like |
| 18 | Bahía Solano | Colombia | 27.8°C | Bath-like |
| 19 | Tuschen | Guyana | 27.6°C | Bath-like |
| 20 | Anna Regina | Guyana | 27.6°C | Bath-like |
| 21 | Georgetown | Guyana | 27.6°C | Bath-like |
| 22 | Aracaju | Brazil | 27.5°C | Bath-like |
| 23 | New Amsterdam | Guyana | 27.5°C | Bath-like |
| 24 | Rose Hall | Guyana | 27.5°C | Bath-like |
| 25 | San Lorenzo de Esmeraldas | Ecuador | 27.5°C | Bath-like |
Ranked on the NOAA OISST monthly climatology — a long-run average for January, not a forecast. A given January will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.