Barra do Piraí Climate by Month
Barra do Piraí, Rio de Janeiro, Brazil
Hot days and cool nights all year, with a rainy season from November to March.
The climate in Barra do Piraí is one of hot days and cool nights all year, with a rainy season from November to March. February is the warmest month, with highs around 86°F (30°C); July is the coolest at 75°F (24°C), and nights dip to 52°F (11°C). Of the 53 in (1353 mm) of rain in a typical year, 75% falls from November to March. The air is humid, averaging 78% relative humidity.
- Warmest month
- 86°F(30°C)
- Average high, February
- Coldest nights
- 52°F(11°C)
- Average low, July
- Rain per year
- 53 in(1353 mm)
- Wettest: January
- Humidity
- 78%
- Sunniest: February
Best and worst months in Barra do Piraí
Best for weatherJune to August are the best time for weather in Barra do Piraí: highs near 77°F (25°C) and about 1.0 in (25 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the wettest, with 9.6 in (244 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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Barra do Piraí weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 85°F(30°C) | 65°F(19°C) | 9.6 in(244 mm) | 80% | 5.0 |
| FebFebruary | 86°F(30°C) | 65°F(19°C) | 7.6 in(194 mm) | 79% | 5.1 |
| MarMarch | 84°F(29°C) | 64°F(18°C) | 6.5 in(166 mm) | 79% | 4.4 |
| AprApril | 82°F(28°C) | 62°F(17°C) | 3.1 in(80 mm) | 79% | 4.1 |
| MayMay | 77°F(25°C) | 56°F(13°C) | 1.9 in(48 mm) | 81% | 3.3 |
| JunJuneBest | 76°F(25°C) | 53°F(12°C) | 1.0 in(25 mm) | 81% | 3.1 |
| JulJulyBest | 75°F(24°C) | 52°F(11°C) | 0.9 in(23 mm) | 80% | 3.1 |
| AugAugustBest | 78°F(26°C) | 53°F(12°C) | 1.0 in(26 mm) | 73% | 4.1 |
| SepSeptember | 80°F(27°C) | 58°F(14°C) | 1.9 in(49 mm) | 74% | 4.0 |
| OctOctober | 82°F(28°C) | 61°F(16°C) | 3.7 in(94 mm) | 77% | 4.5 |
| NovNovember | 82°F(28°C) | 62°F(17°C) | 6.5 in(164 mm) | 78% | 4.5 |
| DecDecember | 84°F(29°C) | 65°F(18°C) | 9.4 in(240 mm) | 80% | 4.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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