São Sebastião, Brazil Climate by Month
São Sebastião, Federal District, Brazil
Warm all year, with a rainy season from November to March.
Warm all year, with a rainy season from November to March: that's São Sebastião's climate in short. Expect highs of 86°F (30°C) in September and 79°F (26°C) in June, with the coldest nights (July) near 54°F (12°C). It gets 57 in (1439 mm) of rain a year, 80% of it from November to March. June to August are almost completely dry.
- Warmest month
- 86°F(30°C)
- Average high, September
- Coldest nights
- 54°F(12°C)
- Average low, July
- Rain per year
- 57 in(1439 mm)
- Wettest: December
- Humidity
- 70%
- Sunniest: October
Best and worst months in São Sebastião
Best for weatherThe most comfortable weather comes in June and July, with highs around 80°F (26°C) and almost no rain.
Least pleasantMarch and December are the least pleasant; December is the wettest, with 9.9 in (251 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
São Sebastião weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 81°F(27°C) | 64°F(18°C) | 9.4 in(238 mm) | 80% | 4.5 |
| FebFebruary | 82°F(28°C) | 64°F(18°C) | 8.6 in(219 mm) | 80% | 4.5 |
| MarMarch | 82°F(28°C) | 63°F(17°C) | 9.3 in(236 mm) | 81% | 4.5 |
| AprApril | 82°F(28°C) | 62°F(17°C) | 4.6 in(117 mm) | 78% | 4.7 |
| MayMay | 81°F(27°C) | 58°F(14°C) | 0.9 in(22 mm) | 73% | 4.5 |
| JunJuneBest | 79°F(26°C) | 55°F(13°C) | 0.2 in(5 mm) | 66% | 4.3 |
| JulJulyBest | 80°F(27°C) | 54°F(12°C) | 0.0 in(1 mm) | 58% | 4.6 |
| AugAugust | 83°F(28°C) | 56°F(14°C) | 0.3 in(7 mm) | 52% | 5.0 |
| SepSeptember | 86°F(30°C) | 62°F(16°C) | 1.1 in(27 mm) | 53% | 5.1 |
| OctOctober | 85°F(30°C) | 64°F(18°C) | 4.0 in(102 mm) | 61% | 5.1 |
| NovNovember | 81°F(27°C) | 64°F(18°C) | 8.4 in(214 mm) | 77% | 4.5 |
| DecDecember | 82°F(28°C) | 64°F(18°C) | 9.9 in(251 mm) | 80% | 4.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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