Live Weather & Forecast
Weather in João Costa
Piauí, Brazil · Real-time conditions & 3-day outlook
36°C
Feels like 38°C
97°F / Feels 100°F
Sunny
João Costa, Piauí
🌞 Daytime
Updated: 2026-04-19 12:15
Humidity
34%
Wind
7.2 km/h E
Wind Gust
8.3 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
11.8
(Extreme)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
17.5°C
Wind Degree
94°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
94.9 μg/m³
NO₂
1.2 μg/m³
O₃
61 μg/m³
SO₂
1.1 μg/m³
PM 2.5
3.6 μg/m³
PM 10
4.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for João Costa, Piauí
12 AM
25°
Patchy rain nearby
1 AM
22°
Patchy rain nearby
2 AM
23°
Partly Cloudy
3 AM
23°
Partly Cloudy
4 AM
22°
Partly Cloudy
5 AM
21°
Clear
6 AM
22°
Partly Cloudy
7 AM
26°
Partly Cloudy
8 AM
29°
Partly Cloudy
9 AM
31°
Patchy rain nearby
10 AM
33°
Partly Cloudy
11 AM
35°
Partly Cloudy
12 PM
36°
Sunny
1 PM
36°
Overcast
2 PM
34°
Partly Cloudy
3 PM
33°
Partly Cloudy
4 PM
34°
Partly Cloudy
5 PM
32°
Partly Cloudy
6 PM
28°
Patchy light drizzle
7 PM
25°
Clear
8 PM
23°
Partly Cloudy
9 PM
22°
Partly Cloudy
10 PM
21°
Mist
11 PM
21°
Mist
3-Day Forecast
Daily overview for João Costa, Piauí
Today
Patchy rain nearby
36°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0.5 mm
☀️ UV Index: 12
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:45 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Patchy rain nearby
34°
/
20°
🌧️ 89% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 1.92 mm
☀️ UV Index: 11.8
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:45 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Moderate rain
33°
/
21°
🌧️ 83% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 5.74 mm
☀️ UV Index: 11.4
🌅 Sunrise: 05:52 AM
🌇 Sunset: 05:44 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit João Costa
Plan your trip to João Costa, 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 João Costa?
Current conditions in João Costa: Sunny, temperature 36°C, humidity 34%.
What is the best time to visit João Costa?
The best time to visit João Costa is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in João Costa?
João Costa is located at approximately -8.5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in João Costa?
The wettest period in João Costa is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to João Costa?
For visits to João Costa during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in João Costa in 2026?
View the 2026 public holidays for João Costa on our Holidays page.
What are the GPS coordinates used for the weather forecast in João Costa?
The weather forecast for João Costa uses coordinates -8.4887, -42.4175.