Live Weather & Forecast
Weather in Rio Grande da Serra
São Paulo, Brazil · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Partly Cloudy
Rio Grande da Serra, São Paulo
🌙 Nighttime
Updated: 2026-04-21 20:30
Humidity
83%
Wind
7.2 km/h SE
Wind Gust
11.3 km/h
Pressure
1020 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
14.7°C
Wind Degree
130°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
100.9 μg/m³
NO₂
29.7 μg/m³
O₃
27 μg/m³
SO₂
6.6 μg/m³
PM 2.5
14.6 μg/m³
PM 10
17.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rio Grande da Serra, São Paulo
12 AM
15°
Clear
1 AM
15°
Clear
2 AM
15°
Clear
3 AM
15°
Clear
4 AM
15°
Clear
5 AM
15°
Clear
6 AM
15°
Partly Cloudy
7 AM
15°
Partly Cloudy
8 AM
17°
Sunny
9 AM
19°
Sunny
10 AM
21°
Sunny
11 AM
22°
Sunny
12 PM
24°
Sunny
1 PM
24°
Sunny
2 PM
24°
Sunny
3 PM
24°
Sunny
4 PM
22°
Sunny
5 PM
20°
Sunny
6 PM
17°
Partly Cloudy
7 PM
17°
Partly Cloudy
8 PM
18°
Partly Cloudy
9 PM
16°
Partly Cloudy
10 PM
16°
Partly Cloudy
11 PM
16°
Cloudy
3-Day Forecast
Daily overview for Rio Grande da Serra, São Paulo
Today
Sunny
24°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 14 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 05:47 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Sunny
25°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 05:46 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
26°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:23 AM
🌇 Sunset: 05:45 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Rio Grande da Serra
Plan your trip to Rio Grande da Serra, Brazil around the most favorable weather conditions.
Peak Season
December – March
Southern hemisphere summer — warm and generally dry.
Shoulder Season
April – May, November
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Cooler winter months; indoor activities preferred.
Frequently Asked Questions
What is the current weather in Rio Grande da Serra?
Current conditions in Rio Grande da Serra: Partly Cloudy, temperature 18°C, humidity 83%.
What is the best time to visit Rio Grande da Serra?
The best time to visit Rio Grande da Serra is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Rio Grande da Serra?
Rio Grande da Serra is located at approximately -23.7° latitude. It experiences a temperate southern hemisphere climate.
Does it rain a lot in Rio Grande da Serra?
The wettest period in Rio Grande da Serra is typically during June – September. Cooler winter months; indoor activities preferred.
What should I pack for a trip to Rio Grande da Serra?
For visits to Rio Grande da Serra during December – March: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Rio Grande da Serra in?
What are the public holidays in Rio Grande da Serra in 2026?
View the 2026 public holidays for Rio Grande da Serra on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rio Grande da Serra?
The weather forecast for Rio Grande da Serra uses coordinates -23.7442, -46.3925.
What is the current temperature outside in Rio Grande da Serra?
The current outdoor temperature in Rio Grande da Serra is 18°C (64°F) with partly cloudy.
What is the hourly weather forecast for Rio Grande da Serra today?
Today's hour-by-hour weather breakdown for Rio Grande da Serra 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 Rio Grande da Serra tomorrow hour by hour?
Tomorrow's forecast for Rio Grande da Serra shows a high of 25°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 Rio Grande da Serra?
Rain is not expected in Rio Grande da Serra today. Current forecast shows no significant rain probability.
Is it going to rain today in Rio Grande da Serra?
No, rain is not forecast for Rio Grande da Serra today. Current conditions show clear to partly cloudy skies.