Live Weather & Forecast
Weather in Jaci
São Paulo, Brazil · Real-time conditions & 3-day outlook
28°C
Feels like 28°C
83°F / Feels 83°F
Sunny
Jaci, São Paulo
🌞 Daytime
Updated: 2026-04-21 13:00
Humidity
41%
Wind
8.6 km/h SE
Wind Gust
9.9 km/h
Pressure
1014 mb
Visibility
10 km
UV Index
9.2
(Very High)
Precipitation
0 mm
Cloud Cover
20%
Dew Point
13.6°C
Wind Degree
133°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
151.9 μg/m³
NO₂
2.8 μg/m³
O₃
116 μg/m³
SO₂
2 μg/m³
PM 2.5
6.7 μg/m³
PM 10
6.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Jaci, São Paulo
12 AM
19°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
17°
Clear
4 AM
17°
Clear
5 AM
17°
Clear
6 AM
15°
Clear
7 AM
15°
Sunny
8 AM
18°
Sunny
9 AM
21°
Sunny
10 AM
24°
Sunny
11 AM
26°
Sunny
12 PM
27°
Sunny
1 PM
28°
Sunny
2 PM
29°
Sunny
3 PM
29°
Sunny
4 PM
29°
Sunny
5 PM
27°
Sunny
6 PM
23°
Sunny
7 PM
21°
Clear
8 PM
20°
Clear
9 PM
20°
Clear
10 PM
19°
Clear
11 PM
18°
Clear
3-Day Forecast
Daily overview for Jaci, São Paulo
Today
Sunny
29°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 13 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9.5
🌅 Sunrise: 06:31 AM
🌇 Sunset: 06:02 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Sunny
31°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:32 AM
🌇 Sunset: 06:01 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
31°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9.5
🌅 Sunrise: 06:32 AM
🌇 Sunset: 06:00 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Jaci
Plan your trip to Jaci, 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 Jaci?
Current conditions in Jaci: Sunny, temperature 28°C, humidity 41%.
What is the best time to visit Jaci?
The best time to visit Jaci is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Jaci?
Jaci is located at approximately -20.9° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Jaci?
The wettest period in Jaci is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Jaci?
For visits to Jaci during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Jaci in 2026?
View the 2026 public holidays for Jaci on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jaci?
The weather forecast for Jaci uses coordinates -20.8844, -49.5711.
What is the current temperature outside in Jaci?
The current outdoor temperature in Jaci is 28°C (82°F) with sunny.
What is the hourly weather forecast for Jaci today?
Today's hour-by-hour weather breakdown for Jaci 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 Jaci tomorrow hour by hour?
Tomorrow's forecast for Jaci shows a high of 31°C and a low of 16°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Jaci?
Rain is not expected in Jaci today. Current forecast shows no significant rain probability.
Is it going to rain today in Jaci?
No, rain is not forecast for Jaci today. Current conditions show clear to partly cloudy skies.