The Brazil resorts with the warmest sea water temperature in October are Macapa, Belem and Ananindeua.
Below you can see a list of all popular Brazil resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Macapa | 91.1°F | 90.1°F | 90.9°F |
| Belem | 88.6°F | 87.8°F | 88.2°F |
| Ananindeua | 88.4°F | 87.5°F | 88.1°F |
| Sao Jose de Ribamar | 86.6°F | 85.9°F | 85.8°F |
| Ilha de Itamaraca | 86.6°F | 84.2°F | 85.4°F |
| Sao Luis | 86.5°F | 85.6°F | 85.6°F |
| Joao Pessoa | 86.2°F | 84.0°F | 85.1°F |
| Paulista | 86.2°F | 84.0°F | 85.1°F |
| Jaboatao dos Guararapes | 86.1°F | 84.0°F | 85.2°F |
| Recife | 86.1°F | 84.0°F | 85.0°F |
| Olinda | 86.1°F | 83.9°F | 84.9°F |
| Natal | 86.0°F | 83.9°F | 84.6°F |
| Fortaleza | 85.9°F | 84.2°F | 84.5°F |
| Paracuru | 85.9°F | 84.2°F | 84.6°F |
| Jericoacoara | 85.8°F | 84.3°F | 84.7°F |
| Maceio | 85.0°F | 83.7°F | 84.7°F |
| Salvador | 83.8°F | 82.5°F | 84.1°F |
| Itacare | 83.4°F | 82.1°F | 83.4°F |
| Lauro de Freitas | 83.1°F | 82.2°F | 83.3°F |
| Aracaju | 83.0°F | 82.8°F | 83.6°F |
| Ilheus | 82.9°F | 81.9°F | 83.2°F |
| Paraiso dos Pataxos | 81.4°F | 81.3°F | 82.0°F |
| Porto Seguro | 81.4°F | 81.3°F | 81.9°F |
| Sao Goncalo | 78.6°F | 77.7°F | 79.4°F |
| Duque de Caxias | 78.5°F | 77.6°F | 78.9°F |
| Itaipava | 78.0°F | 75.6°F | 77.2°F |
| Niteroi | 77.9°F | 75.6°F | 77.6°F |
| Marataizes | 77.8°F | 75.6°F | 77.2°F |
| Alto Lagoa Funda | 77.8°F | 75.6°F | 77.2°F |
| Unamar | 77.8°F | 73.4°F | 76.5°F |
| Angra dos Reis | 77.7°F | 76.4°F | 77.9°F |
| Rio das Ostras | 77.6°F | 71.4°F | 75.5°F |
| Piuma | 77.6°F | 75.3°F | 76.9°F |
| Itaipuacu | 77.5°F | 72.3°F | 75.4°F |
| Macae | 77.4°F | 71.3°F | 74.9°F |
| Rio de Janeiro | 77.4°F | 74.0°F | 76.4°F |
| Parati | 77.4°F | 76.5°F | 78.3°F |
| Paraty | 77.4°F | 76.5°F | 78.3°F |
| Armacao dos Buzios | 77.3°F | 71.9°F | 75.7°F |
| Buzios | 77.3°F | 71.9°F | 75.7°F |
| Cabo Frio | 77.0°F | 72.0°F | 75.1°F |
| Anchieta | 76.8°F | 74.9°F | 76.5°F |
| Barra da Tijuca | 76.7°F | 69.5°F | 73.4°F |
| Itamambuca Beach | 76.6°F | 74.2°F | 76.5°F |
| Ubatuba | 76.6°F | 74.3°F | 76.4°F |
| Vila Velha | 76.2°F | 74.4°F | 75.7°F |
| Guarapari | 75.8°F | 74.4°F | 76.0°F |
| Sao Paulo | 75.7°F | 74.3°F | 75.4°F |
| Caraguatatuba | 75.7°F | 74.1°F | 75.6°F |
| Maranduba | 75.7°F | 73.7°F | 75.5°F |
| Santos | 75.5°F | 73.8°F | 74.8°F |
| Guaruja | 75.4°F | 73.8°F | 75.0°F |
| Sao Vicente | 75.4°F | 73.8°F | 74.7°F |
| Ilhabela | 75.4°F | 73.1°F | 74.9°F |
| Sao Sebastiao | 75.3°F | 73.3°F | 75.1°F |
| Praia Grande | 75.2°F | 73.8°F | 74.8°F |
| Mongagua | 75.0°F | 73.9°F | 74.6°F |
| Itanhaem | 74.8°F | 73.8°F | 74.6°F |
| Peruibe | 74.6°F | 74.1°F | 74.6°F |
| Ilha Comprida | 73.7°F | 73.3°F | 74.1°F |
| Pontal do Parana | 72.8°F | 73.0°F | 74.8°F |
| Matinhos | 72.6°F | 73.1°F | 74.9°F |
| Guaratuba | 72.5°F | 72.9°F | 74.8°F |
| Itapoa | 72.1°F | 72.8°F | 74.8°F |
| Barra Velha | 70.7°F | 71.9°F | 74.1°F |
| Penha | 70.2°F | 71.7°F | 74.2°F |
| Pôrto Belo | 70.0°F | 71.1°F | 73.6°F |
| Itapema | 70.0°F | 71.1°F | 73.7°F |
| Itajai | 70.0°F | 71.3°F | 73.9°F |
| Balneario Camboriu | 69.9°F | 71.2°F | 73.9°F |
| Bombinhas | 69.9°F | 71.0°F | 73.7°F |
| Palhoca | 69.5°F | 71.7°F | 73.2°F |
| Florianopolis | 69.3°F | 71.2°F | 73.3°F |
| Porto Alegre | 68.5°F | 71.9°F | 73.1°F |
| Enseada da Pinheira | 67.6°F | 69.0°F | 70.2°F |
| Garopaba | 67.0°F | 68.2°F | 70.0°F |
| Ibiraquera | 67.0°F | 67.9°F | 70.1°F |
| Balneario Esplanada | 65.8°F | 66.1°F | 68.8°F |
| Arroio do Silva | 65.5°F | 66.8°F | 69.0°F |
| Rio Grande | 65.4°F | 69.5°F | 70.2°F |
| Arroio do Sal | 65.4°F | 68.6°F | 70.2°F |
| Tôrres | 65.3°F | 68.2°F | 70.0°F |
| Tramandai | 64.8°F | 68.9°F | 70.4°F |
| Xangri-la | 64.7°F | 68.6°F | 70.3°F |
| Cidreira | 63.9°F | 68.5°F | 70.3°F |
| Balneario Pinhal | 63.7°F | 68.4°F | 70.1°F |
| Quintao | 63.5°F | 68.1°F | 70.0°F |
| Cassino | 63.3°F | 66.5°F | 66.9°F |
Please see following sea water temperature averages charts for the warmest Brazil resorts in October.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Brazil Resorts:
NAME
F°
| Balneario Camboriu |  |
+72 |
| Buzios |  |
+76 |
| Florianopolis | |
+70 |
| Fortaleza | |
+88 |
| Garopaba | |
+72 |
| Joao Pessoa |  |
+88 |
| Porto Alegre | |
+76 |
| Recife | |
+88 |
| Rio de Janeiro |  |
+74 |
| Rio Grande | |
+72 |
| Salvador | |
+82 |
| Santos | |
+76 |
| Sao Paulo | |
+72 |
| Sao Sebastiao | |
+78 |
| Xangri-la | |
+74 |
