Live Weather & Forecast
Weather in São Julião
Piauí, Brazil · Real-time conditions & 3-day outlook
22°C
Feels like 22°C
71°F / Feels 71°F
Partly Cloudy
São Julião, Piauí
🌞 Daytime
Updated: 2026-04-21 08:00
Humidity
89%
Wind
7.6 km/h E
Wind Gust
12 km/h
Pressure
1014 mb
Visibility
10 km
UV Index
2.4
(Low)
Precipitation
0 mm
Cloud Cover
55%
Dew Point
19.6°C
Wind Degree
86°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
99.9 μg/m³
NO₂
1.3 μg/m³
O₃
59 μg/m³
SO₂
1.2 μg/m³
PM 2.5
3.8 μg/m³
PM 10
4.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for São Julião, Piauí
12 AM
21°
Patchy rain nearby
1 AM
22°
Patchy light drizzle
2 AM
22°
Light rain shower
3 AM
21°
Patchy rain nearby
4 AM
21°
Cloudy
5 AM
21°
Cloudy
6 AM
21°
Overcast
7 AM
21°
Partly Cloudy
8 AM
22°
Partly Cloudy
9 AM
23°
Patchy rain nearby
10 AM
25°
Patchy rain nearby
11 AM
26°
Light rain shower
12 PM
28°
Patchy rain nearby
1 PM
29°
Patchy rain nearby
2 PM
30°
Patchy rain nearby
3 PM
29°
Patchy rain nearby
4 PM
28°
Patchy rain nearby
5 PM
26°
Patchy light drizzle
6 PM
24°
Patchy rain nearby
7 PM
22°
Patchy light rain
8 PM
22°
Light rain shower
9 PM
22°
Cloudy
10 PM
22°
Patchy rain nearby
11 PM
21°
Patchy rain nearby
3-Day Forecast
Daily overview for São Julião, Piauí
Today
Moderate rain
30°
/
21°
🌧️ 89% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 5.76 mm
☀️ UV Index: 10.5
🌅 Sunrise: 05:44 AM
🌇 Sunset: 05:39 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Moderate rain
26°
/
20°
🌧️ 87% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 13 km/h
🌧️ Total precip: 12.25 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:43 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Patchy rain nearby
31°
/
20°
🌧️ 87% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0.16 mm
☀️ UV Index: 12
🌅 Sunrise: 05:43 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit São Julião
Plan your trip to São Julião, 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 São Julião?
Current conditions in São Julião: Partly Cloudy, temperature 22°C, humidity 89%.
What is the best time to visit São Julião?
The best time to visit São Julião is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in São Julião?
São Julião is located at approximately -7.1° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in São Julião?
The wettest period in São Julião is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to São Julião?
For visits to São Julião during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in São Julião in 2026?
View the 2026 public holidays for São Julião on our Holidays page.
What are the GPS coordinates used for the weather forecast in São Julião?
The weather forecast for São Julião uses coordinates -7.0834, -40.8362.
What is the current temperature outside in São Julião?
The current outdoor temperature in São Julião is 22°C (72°F) with partly cloudy.
What is the hourly weather forecast for São Julião today?
Today's hour-by-hour weather breakdown for São Julião is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in São Julião tomorrow hour by hour?
Tomorrow's forecast for São Julião shows a high of 26°C and a low of 20°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in São Julião?
There is a 89% chance of rain in São Julião today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in São Julião?
Yes, there is a 89% chance of rain in São Julião today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.