Where is the sea warmest in the Caribbean?
The warmest water in the Caribbean month by month, across 191 coastal cities — and how many of them are comfortable enough to swim in.
| Month | Warmest city | Sea | Comfortable |
|---|---|---|---|
| January | Golfito | 29.5°C | 189 of 191 |
| February | Golfito | 30.0°C | 189 of 191 |
| March | Golfito | 30.3°C | 191 of 191 |
| April | Quepos | 30.1°C | 191 of 191 |
| May | Amapala | 30.6°C | 191 of 191 |
| June | Amapala | 30.4°C | 191 of 191 |
| July | Nueva Gerona | 31.1°C | 191 of 191 |
| August | Nueva Gerona | 31.3°C | 191 of 191 |
| September | Manzanillo | 30.9°C | 191 of 191 |
| October | Gonaïves | 30.5°C | 191 of 191 |
| November | Léogâne | 29.8°C | 191 of 191 |
| December | Santiago de Tolú | 29.8°C | 191 of 191 |
"Comfortable" means at least 19.0°C, which is a judgement and not a fact — a Norwegian and a Spaniard genuinely disagree. Every city page shows the season at four thresholds instead of insisting on one. Method and sources