São João da Barra Climate by Month
São João da Barra, Rio de Janeiro, Brazil
Warm all year, with rain spread through the year.
The climate in São João da Barra is warm all year, with rain spread through the year. February is the warmest month, with highs around 89°F (31°C); July is the coolest at 80°F (27°C), and nights dip to 61°F (16°C). About 39 in (978 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 89°F(31°C)
- Average high, February
- Coldest nights
- 61°F(16°C)
- Average low, July
- Rain per year
- 39 in(978 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: January
Best and worst months in São João da Barra
Best for weatherThe most comfortable weather comes from June to August, with highs around 80°F (27°C) and about 1.1 in (28 mm) of rain a month.
Least pleasantMarch and December are the least pleasant; December is the wettest, with 6.2 in (158 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 August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
São João da Barra weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 87°F(31°C) | 72°F(22°C) | 4.5 in(114 mm) | 76% | 5.5 |
| FebFebruary | 89°F(31°C) | 72°F(22°C) | 3.3 in(84 mm) | 77% | 5.3 |
| MarMarch | 88°F(31°C) | 71°F(22°C) | 4.6 in(116 mm) | 76% | 4.6 |
| AprApril | 85°F(30°C) | 69°F(20°C) | 4.0 in(102 mm) | 76% | 4.0 |
| MayMay | 83°F(28°C) | 65°F(18°C) | 2.4 in(60 mm) | 74% | 3.4 |
| JunJuneBest | 81°F(27°C) | 62°F(17°C) | 1.4 in(35 mm) | 76% | 3.2 |
| JulJulyBest | 80°F(27°C) | 61°F(16°C) | 1.1 in(29 mm) | 74% | 3.2 |
| AugAugustBest | 80°F(27°C) | 62°F(17°C) | 0.8 in(20 mm) | 73% | 4.1 |
| SepSeptember | 81°F(27°C) | 65°F(18°C) | 1.6 in(40 mm) | 76% | 4.4 |
| OctOctober | 83°F(28°C) | 67°F(20°C) | 3.3 in(84 mm) | 77% | 4.6 |
| NovNovember | 83°F(29°C) | 69°F(21°C) | 5.4 in(136 mm) | 81% | 4.5 |
| DecDecember | 86°F(30°C) | 71°F(22°C) | 6.2 in(158 mm) | 79% | 4.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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