Piraí Climate by Month
Piraí, Rio de Janeiro, Brazil
Warm days and cool nights all year, with a rainy season from November to March.
Warm days and cool nights all year, with a rainy season from November to March: that's Piraí's climate in short. Afternoon highs range from 75°F (24°C) in July to 86°F (30°C) in February, and July nights average 51°F (11°C). It gets 53 in (1337 mm) of rain a year, 73% of it from November to March. The air is humid, averaging 79% relative humidity.
- Warmest month
- 86°F(30°C)
- Average high, February
- Coldest nights
- 51°F(11°C)
- Average low, July
- Rain per year
- 53 in(1337 mm)
- Wettest: January
- Humidity
- 79%
- Sunniest: February
Best and worst months in Piraí
Best for weatherThe most comfortable weather comes from June to August, with highs around 76°F (25°C) and about 1.1 in (28 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the wettest, with 9.5 in (241 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)
Piraí weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 85°F(30°C) | 65°F(18°C) | 9.5 in(241 mm) | 80% | 4.9 |
| FebFebruary | 86°F(30°C) | 65°F(18°C) | 7.4 in(188 mm) | 80% | 5.0 |
| MarMarch | 85°F(29°C) | 64°F(18°C) | 6.6 in(168 mm) | 79% | 4.3 |
| AprApril | 82°F(28°C) | 62°F(16°C) | 3.3 in(84 mm) | 80% | 4.0 |
| MayMay | 77°F(25°C) | 56°F(13°C) | 2.0 in(52 mm) | 81% | 3.2 |
| JunJuneBest | 76°F(25°C) | 53°F(12°C) | 1.2 in(31 mm) | 82% | 3.0 |
| JulJulyBest | 75°F(24°C) | 51°F(11°C) | 1.0 in(26 mm) | 81% | 3.2 |
| AugAugustBest | 78°F(26°C) | 53°F(12°C) | 1.1 in(28 mm) | 75% | 4.0 |
| SepSeptember | 80°F(27°C) | 57°F(14°C) | 2.0 in(51 mm) | 76% | 4.0 |
| OctOctober | 81°F(27°C) | 61°F(16°C) | 3.5 in(90 mm) | 78% | 4.5 |
| NovNovember | 81°F(27°C) | 62°F(17°C) | 6.1 in(155 mm) | 79% | 4.5 |
| DecDecember | 83°F(29°C) | 64°F(18°C) | 8.8 in(223 mm) | 80% | 4.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Piraí →- 🇧🇷Três RiosRio de Janeiro, Brazil · Pop. 82k99%matchSame daytime highsSame nighttime lowsPiraí vs Três Rios →
- 🇧🇷Afonso CláudioEspírito Santo, Brazil · Pop. 31k99%matchSame nighttime lowsSame daytime highsPiraí vs Afonso Cláudio →
- 🇧🇷IúnaEspírito Santo, Brazil · Pop. 29k99%matchSame daytime highsSame humidityPiraí vs Iúna →
- 🇧🇷São José dos CamposSão Paulo, Brazil · Pop. 727k99%matchSame nighttime lowsSimilar rainfallPiraí vs São José dos Campos →
- 🇧🇷Cachoeiras de MacacuRio de Janeiro, Brazil · Pop. 59k98%matchSame daytime highsSame humidityPiraí vs Cachoeiras de Macacu →