Where is the sea warmest in South America in July?
In July the warmest sea in South America is at Santiago de Tolú, Colombia, at 30.4°C. 72 of 125 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Santiago de Tolú | Colombia | 30.4°C | Bath-like |
| 2 | Cartagena | Colombia | 29.9°C | Bath-like |
| 3 | Turbaná | Colombia | 29.9°C | Bath-like |
| 4 | Belém | Brazil | 29.7°C | Bath-like |
| 5 | San Juan de Urabá | Colombia | 29.6°C | Bath-like |
| 6 | Necoclí | Colombia | 29.4°C | Bath-like |
| 7 | Los Puertos de Altagracia | Venezuela | 29.4°C | Bath-like |
| 8 | Santa Cruz de Mara | Venezuela | 29.4°C | Bath-like |
| 9 | San Rafael | Venezuela | 29.4°C | Bath-like |
| 10 | Turbo | Colombia | 29.4°C | Bath-like |
| 11 | Macapá | Brazil | 29.1°C | Bath-like |
| 12 | New Amsterdam | Guyana | 29.1°C | Bath-like |
| 13 | Rose Hall | Guyana | 29.1°C | Bath-like |
| 14 | Tuschen | Guyana | 29.1°C | Bath-like |
| 15 | Georgetown | Guyana | 29.1°C | Bath-like |
| 16 | Anna Regina | Guyana | 29.1°C | Bath-like |
| 17 | Corriverton | Guyana | 29.1°C | Bath-like |
| 18 | São Luís | Brazil | 29.0°C | Bath-like |
| 19 | Nieuw Nickerie | Suriname | 28.9°C | Bath-like |
| 20 | Ciénaga | Colombia | 28.9°C | Bath-like |
| 21 | Cayenne | French Guiana | 28.8°C | Bath-like |
| 22 | Kourou | French Guiana | 28.8°C | Bath-like |
| 23 | San Andrés | Colombia | 28.8°C | Bath-like |
| 24 | Güiria | Venezuela | 28.7°C | Bath-like |
| 25 | Mana | French Guiana | 28.6°C | Bath-like |
Ranked on the NOAA OISST monthly climatology — a long-run average for July, not a forecast. A given July will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.