São Sebastião Climate: Weather by Month and Best Time to Visit
Best months for São Sebastião: July, June, August, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 28°C | 19°C | 203 mm | 21 | – | – | 6.1 |
| February | 28°C | 19°C | 162 mm | 18 | – | – | 6.3 |
| March | 28°C | 19°C | 181 mm | 20 | – | – | 6.1 |
| April | 28°C | 18°C | 71 mm | 11 | – | – | 7.6 |
| May | 27°C | 16°C | 17 mm | 3 | – | – | 8.7 |
| June | 27°C | 14°C | 4 mm | 1 | – | – | 9.0 |
| July | 27°C | 14°C | 0 mm | 0 | – | – | 9.1 |
| August | 29°C | 15°C | 5 mm | 1 | – | – | 8.9 |
| September | 31°C | 17°C | 28 mm | 5 | – | – | 8.0 |
| October | 30°C | 19°C | 104 mm | 13 | – | – | 6.8 |
| November | 28°C | 19°C | 202 mm | 21 | – | – | 6.1 |
| December | 28°C | 19°C | 224 mm | 23 | – | – | 6.1 |