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 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Macapa | 90.1°F | 90.9°F | 91.3°F |
| Belem | 87.8°F | 88.2°F | 88.9°F |
| Ananindeua | 87.5°F | 88.1°F | 88.5°F |
| Sao Jose de Ribamar | 85.9°F | 85.8°F | 86.5°F |
| Sao Luis | 85.6°F | 85.6°F | 86.4°F |
| Jericoacoara | 84.3°F | 84.7°F | 85.4°F |
| Fortaleza | 84.2°F | 84.5°F | 85.2°F |
| Ilha de Itamaraca | 84.2°F | 85.4°F | 85.8°F |
| Paracuru | 84.2°F | 84.6°F | 85.3°F |
| Jaboatao dos Guararapes | 84.0°F | 85.2°F | 85.7°F |
| Paulista | 84.0°F | 85.1°F | 85.6°F |
| Joao Pessoa | 84.0°F | 85.1°F | 85.7°F |
| Recife | 84.0°F | 85.0°F | 85.6°F |
| Natal | 83.9°F | 84.6°F | 85.1°F |
| Olinda | 83.9°F | 84.9°F | 85.5°F |
| Maceio | 83.7°F | 84.7°F | 84.7°F |
| Aracaju | 82.8°F | 83.6°F | 83.6°F |
| Salvador | 82.5°F | 84.1°F | 83.7°F |
| Lauro de Freitas | 82.2°F | 83.3°F | 83.1°F |
| Itacare | 82.1°F | 83.4°F | 83.3°F |
| Ilheus | 81.9°F | 83.2°F | 83.1°F |
| Paraiso dos Pataxos | 81.3°F | 82.0°F | 80.9°F |
| Porto Seguro | 81.3°F | 81.9°F | 80.6°F |
| Sao Goncalo | 77.7°F | 79.4°F | 80.4°F |
| Duque de Caxias | 77.6°F | 78.9°F | 79.4°F |
| Paraty | 76.5°F | 78.3°F | 77.9°F |
| Parati | 76.5°F | 78.3°F | 77.9°F |
| Angra dos Reis | 76.4°F | 77.9°F | 78.6°F |
| Alto Lagoa Funda | 75.6°F | 77.2°F | 77.2°F |
| Marataizes | 75.6°F | 77.2°F | 77.2°F |
| Itaipava | 75.6°F | 77.2°F | 77.2°F |
| Niteroi | 75.6°F | 77.6°F | 78.8°F |
| Piuma | 75.3°F | 76.9°F | 76.7°F |
| Anchieta | 74.9°F | 76.5°F | 75.8°F |
| Guarapari | 74.4°F | 76.0°F | 74.9°F |
| Vila Velha | 74.4°F | 75.7°F | 74.9°F |
| Ubatuba | 74.3°F | 76.4°F | 76.7°F |
| Sao Paulo | 74.3°F | 75.4°F | 76.0°F |
| Itamambuca Beach | 74.2°F | 76.5°F | 76.7°F |
| Caraguatatuba | 74.1°F | 75.6°F | 76.3°F |
| Peruibe | 74.1°F | 74.6°F | 75.5°F |
| Rio de Janeiro | 74.0°F | 76.4°F | 78.0°F |
| Mongagua | 73.9°F | 74.6°F | 75.8°F |
| Santos | 73.8°F | 74.8°F | 75.7°F |
| Itanhaem | 73.8°F | 74.6°F | 75.7°F |
| Sao Vicente | 73.8°F | 74.7°F | 75.6°F |
| Guaruja | 73.8°F | 75.0°F | 75.7°F |
| Praia Grande | 73.8°F | 74.8°F | 75.7°F |
| Maranduba | 73.7°F | 75.5°F | 76.7°F |
| Unamar | 73.4°F | 76.5°F | 76.2°F |
| Ilha Comprida | 73.3°F | 74.1°F | 75.1°F |
| Sao Sebastiao | 73.3°F | 75.1°F | 76.3°F |
| Ilhabela | 73.1°F | 74.9°F | 76.3°F |
| Matinhos | 73.1°F | 74.9°F | 74.0°F |
| Pontal do Parana | 73.0°F | 74.8°F | 74.4°F |
| Guaratuba | 72.9°F | 74.8°F | 74.0°F |
| Itapoa | 72.8°F | 74.8°F | 73.6°F |
| Itaipuacu | 72.3°F | 75.4°F | 77.0°F |
| Cabo Frio | 72.0°F | 75.1°F | 75.9°F |
| Buzios | 71.9°F | 75.7°F | 75.4°F |
| Armacao dos Buzios | 71.9°F | 75.7°F | 75.4°F |
| Porto Alegre | 71.9°F | 73.1°F | 69.6°F |
| Barra Velha | 71.9°F | 74.1°F | 72.1°F |
| Penha | 71.7°F | 74.2°F | 71.7°F |
| Palhoca | 71.7°F | 73.2°F | 70.8°F |
| Rio das Ostras | 71.4°F | 75.5°F | 75.2°F |
| Itajai | 71.3°F | 73.9°F | 71.6°F |
| Macae | 71.3°F | 74.9°F | 74.8°F |
| Balneario Camboriu | 71.2°F | 73.9°F | 71.5°F |
| Florianopolis | 71.2°F | 73.3°F | 70.6°F |
| Itapema | 71.1°F | 73.7°F | 71.5°F |
| Pôrto Belo | 71.1°F | 73.6°F | 71.4°F |
| Bombinhas | 71.0°F | 73.7°F | 71.2°F |
| Barra da Tijuca | 69.5°F | 73.4°F | 76.9°F |
| Rio Grande | 69.5°F | 70.2°F | 67.8°F |
| Enseada da Pinheira | 69.0°F | 70.2°F | 69.4°F |
| Tramandai | 68.9°F | 70.4°F | 67.5°F |
| Arroio do Sal | 68.6°F | 70.2°F | 67.5°F |
| Xangri-la | 68.6°F | 70.3°F | 67.3°F |
| Cidreira | 68.5°F | 70.3°F | 66.8°F |
| Balneario Pinhal | 68.4°F | 70.1°F | 66.6°F |
| Tôrres | 68.2°F | 70.0°F | 67.4°F |
| Garopaba | 68.2°F | 70.0°F | 69.0°F |
| Quintao | 68.1°F | 70.0°F | 66.7°F |
| Ibiraquera | 67.9°F | 70.1°F | 68.9°F |
| Arroio do Silva | 66.8°F | 69.0°F | 67.6°F |
| Cassino | 66.5°F | 66.9°F | 65.8°F |
| Balneario Esplanada | 66.1°F | 68.8°F | 67.7°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°
| Anchieta |  |
+74 |
| Armacao dos Buzios | |
+74 |
| Buzios | |
+74 |
| Florianopolis | |
+66 |
| Fortaleza | |
+78 |
| Itajai | |
+68 |
| Jericoacoara | |
+80 |
| Recife | |
+80 |
| Rio de Janeiro | |
+70 |
| Rio Grande |  |
+68 |
| Salvador | |
+80 |
| Santos | |
+70 |
| Sao Paulo |  |
+64 |
| Unamar | |
+68 |
| Xangri-la | |
+68 |
