Live Weather & Forecast
Weather in Arraial
Piauí, Brazil · Real-time conditions & 3-day outlook
28°C
Feels like 32°C
82°F / Feels 89°F
Light rain shower
Arraial, Piauí
🌞 Daytime
Updated: 2026-04-19 10:30
Humidity
77%
Wind
7.2 km/h E
Wind Gust
10.4 km/h
Pressure
1010 mb
Visibility
10 km
UV Index
9.4
(Very High)
Precipitation
0.91 mm
Cloud Cover
53%
Dew Point
23.4°C
Wind Degree
80°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
103.9 μg/m³
NO₂
1.5 μg/m³
O₃
61 μg/m³
SO₂
1 μg/m³
PM 2.5
4 μg/m³
PM 10
4.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Arraial, Piauí
12 AM
24°
Clear
1 AM
23°
Clear
2 AM
23°
Clear
3 AM
23°
Clear
4 AM
23°
Clear
5 AM
22°
Patchy rain nearby
6 AM
22°
Patchy rain nearby
7 AM
24°
Patchy light rain
8 AM
26°
Light rain shower
9 AM
27°
Light rain shower
10 AM
28°
Light rain shower
11 AM
30°
Patchy rain nearby
12 PM
31°
Patchy rain nearby
1 PM
32°
Patchy rain nearby
2 PM
32°
Patchy rain nearby
3 PM
31°
Patchy rain nearby
4 PM
30°
Patchy rain nearby
5 PM
27°
Patchy rain nearby
6 PM
26°
Patchy rain nearby
7 PM
25°
Patchy rain nearby
8 PM
24°
Patchy rain nearby
9 PM
24°
Patchy rain nearby
10 PM
24°
Patchy rain nearby
11 PM
23°
Clear
3-Day Forecast
Daily overview for Arraial, Piauí
Today
Moderate rain
32°
/
22°
🌧️ 89% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 7.2 km/h
🌧️ Total precip: 9.62 mm
☀️ UV Index: 13.1
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
31°
/
22°
🌧️ 88% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 18.77 mm
☀️ UV Index: 10.7
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Moderate rain
27°
/
22°
🌧️ 87% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 8.99 mm
☀️ UV Index: 7.2
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Arraial
Plan your trip to Arraial, 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 Arraial?
Current conditions in Arraial: Light rain shower, temperature 28°C, humidity 77%.
What is the best time to visit Arraial?
The best time to visit Arraial is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Arraial?
Arraial is located at approximately -6.7° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Arraial?
The wettest period in Arraial is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Arraial?
For visits to Arraial during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Arraial in 2026?
View the 2026 public holidays for Arraial on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arraial?
The weather forecast for Arraial uses coordinates -6.6542, -42.5335.