São Sebastião Climate: Weather by Month and Best Time to Visit
Best months for São Sebastião: August, June, July.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 27°C | 23°C | 277 mm | 23 | – | – | 6.1 |
| February | 27°C | 24°C | 230 mm | 20 | – | – | 6.1 |
| March | 26°C | 23°C | 236 mm | 21 | – | – | 6.1 |
| April | 25°C | 22°C | 130 mm | 14 | – | – | 7.0 |
| May | 23°C | 19°C | 115 mm | 12 | – | – | 7.3 |
| June | 23°C | 18°C | 82 mm | 10 | – | – | 7.8 |
| July | 22°C | 17°C | 92 mm | 9 | – | – | 7.8 |
| August | 22°C | 18°C | 75 mm | 9 | – | – | 7.9 |
| September | 22°C | 18°C | 132 mm | 14 | – | – | 7.0 |
| October | 23°C | 20°C | 147 mm | 15 | – | – | 6.8 |
| November | 24°C | 21°C | 187 mm | 18 | – | – | 6.3 |
| December | 26°C | 22°C | 214 mm | 19 | – | – | 6.1 |