Piraí weather
At 6:45 PM local time it was mostly clear and 20°C (67°F). Mostly light, on-and-off rain; heavier around 2 PM, 3 PM, 4 PM (6.5 mm total). Best months for weather: May–Sep. Piraí sits 375 m (1,230 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Piraí, Rio de Janeiro, Brazil.
Current conditions
- Clouds
- 28%
- Chance of rain
- 71%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 2 PM, 3 PM, 4 PM (6.5 mm total)
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Jan
About Piraí weather
Is it raining in Piraí right now?
No. It’s mostly clear and 20° right now. Mostly light, on-and-off rain; heavier around 2 PM, 3 PM, 4 PM (6.5 mm total).
What’s the weather like in Piraí this week?
Over the next 7 days, expect highs of 24–33° and lows of 18–21°. Rain is likely on 6 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Friday). The driest day looks like Thursday.
Has it been raining in Piraí lately?
In the past 7 days, Piraí had 5 rainy days and 67.2 mm of rain in total.
What should I pack for Piraí?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Piraí weather by month
When is the best time to visit Piraí?
Based on weather alone, the best time to visit Piraí is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Jan tends to be the least pleasant. Average highs run from 25°C (77°F) in June to 30°C (86°F) in January.
What is the rainiest month in Piraí?
January is the wettest month, with about 216 mm (8.5 in) of rain on average. August is the driest, with about 33 mm (1.3 in).
What is the hottest month in Piraí?
January is the warmest, with average highs of 30°C (86°F) and lows of 19°C (66°F). June is the coolest, with highs of 25°C (77°F) and lows of 13°C (55°F).
Does Piraí have a rainy season?
Yes. Nov–Mar is the rainy season (150 mm or more a month), while May–Sep is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months