São Sebastião in August
7.9out of 10
Yes, a good time to go
Mild: highs around 22°C. Frequent rain: about 9 rainy days.
22°CAvg high
18°CAvg low
9Rainy days (75 mm)
11:10 hDaylight
06:31Sunrise · 17:41 Sunset
Why this score
- Mild: highs around 22°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in August is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
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 |
Frequently asked questions
How hot is São Sebastião in August?
Daytime highs average 22°C and nights about 18°C.
When is the best time to visit São Sebastião?
The best months are August, June, July.