Live Weather & Forecast
Weather in Piraí
Rio de Janeiro, Brazil · Real-time conditions & 3-day outlook
25°C
Feels like 28°C
77°F / Feels 83°F
Mist
Piraí, Rio de Janeiro
🌙 Nighttime
Updated: 2026-04-19 18:00
Humidity
83%
Wind
5.4 km/h SE
Wind Gust
11.3 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
16.5°C
Wind Degree
146°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
156.9 μg/m³
NO₂
14.1 μg/m³
O₃
34 μg/m³
SO₂
3 μg/m³
PM 2.5
9.8 μg/m³
PM 10
12 μg/m³
Today's Hourly Forecast
24-hour breakdown for Piraí, Rio de Janeiro
12 AM
16°
Patchy rain nearby
1 AM
16°
Patchy rain nearby
2 AM
16°
Mist
3 AM
15°
Patchy rain nearby
4 AM
15°
Patchy rain nearby
5 AM
15°
Patchy rain nearby
6 AM
16°
Mist
7 AM
17°
Mist
8 AM
22°
Sunny
9 AM
24°
Sunny
10 AM
26°
Patchy rain nearby
11 AM
28°
Patchy rain nearby
12 PM
28°
Patchy rain nearby
1 PM
27°
Patchy rain nearby
2 PM
27°
Patchy rain nearby
3 PM
26°
Patchy rain nearby
4 PM
25°
Patchy rain nearby
5 PM
23°
Sunny
6 PM
25°
Mist
7 PM
16°
Fog
8 PM
16°
Fog
9 PM
16°
Fog
10 PM
15°
Fog
11 PM
15°
Fog
3-Day Forecast
Daily overview for Piraí, Rio de Janeiro
Today
Patchy rain nearby
28°
/
15°
🌧️ 89% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 2.48 mm
☀️ UV Index: 8.4
🌅 Sunrise: 06:10 AM
🌇 Sunset: 05:39 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Partly Cloudy
28°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:10 AM
🌇 Sunset: 05:39 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Sunny
28°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:11 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Piraí
Plan your trip to Piraí, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Piraí?
Current conditions in Piraí: Mist, temperature 25°C, humidity 83%.
What is the best time to visit Piraí?
The best time to visit Piraí is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Piraí?
Piraí is located at approximately -22.6° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Piraí?
The wettest period in Piraí is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Piraí?
For visits to Piraí during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Piraí in?
Piraí is located in Brazil, in the state of Rio de Janeiro.
What are the public holidays in Piraí in 2026?
View the 2026 public holidays for Piraí on our Holidays page.
What are the GPS coordinates used for the weather forecast in Piraí?
The weather forecast for Piraí uses coordinates -22.6287, -43.8982.