Live Weather & Forecast
Weather in São João de Meriti
Rio de Janeiro, Brazil · Real-time conditions & 3-day outlook
22°C
Feels like 25°C
72°F / Feels 76°F
Clear
São João de Meriti, Rio de Janeiro
🌙 Nighttime
Updated: 2026-04-21 23:30
Humidity
100%
Wind
4.7 km/h N
Wind Gust
8.6 km/h
Pressure
1017 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
16.6°C
Wind Degree
349°
Air Quality Index
US EPA: Unhealthy for Sensitive Groups
UK DEFRA: Moderate (6)
CO
736.9 μg/m³
NO₂
60.6 μg/m³
O₃
19 μg/m³
SO₂
13.8 μg/m³
PM 2.5
54 μg/m³
PM 10
56.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for São João de Meriti, Rio de Janeiro
12 AM
19°
Patchy rain nearby
1 AM
19°
Patchy rain nearby
2 AM
19°
Clear
3 AM
18°
Clear
4 AM
18°
Clear
5 AM
18°
Clear
6 AM
18°
Clear
7 AM
19°
Sunny
8 AM
22°
Sunny
9 AM
24°
Sunny
10 AM
26°
Sunny
11 AM
27°
Sunny
12 PM
28°
Sunny
1 PM
29°
Sunny
2 PM
28°
Sunny
3 PM
28°
Sunny
4 PM
27°
Sunny
5 PM
25°
Sunny
6 PM
22°
Clear
7 PM
21°
Clear
8 PM
21°
Clear
9 PM
20°
Clear
10 PM
20°
Clear
11 PM
22°
Clear
3-Day Forecast
Daily overview for São João de Meriti, Rio de Janeiro
Today
Sunny
29°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 9.4 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:09 AM
🌇 Sunset: 05:35 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Sunny
29°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.7
🌅 Sunrise: 06:09 AM
🌇 Sunset: 05:35 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
30°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.5
🌅 Sunrise: 06:10 AM
🌇 Sunset: 05:34 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit São João de Meriti
Plan your trip to São João de Meriti, 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 João de Meriti?
Current conditions in São João de Meriti: Clear, temperature 22°C, humidity 100%.
What is the best time to visit São João de Meriti?
The best time to visit São João de Meriti is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in São João de Meriti?
São João de Meriti is located at approximately -22.8° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in São João de Meriti?
The wettest period in São João de Meriti is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to São João de Meriti?
For visits to São João de Meriti during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is São João de Meriti in?
São João de Meriti is located in Brazil, in the state of Rio de Janeiro.
What are the public holidays in São João de Meriti in 2026?
View the 2026 public holidays for São João de Meriti on our Holidays page.
What are the GPS coordinates used for the weather forecast in São João de Meriti?
The weather forecast for São João de Meriti uses coordinates -22.8044, -43.3724.
What is the current temperature outside in São João de Meriti?
The current outdoor temperature in São João de Meriti is 22°C (72°F) with clear.
What is the hourly weather forecast for São João de Meriti today?
Today's hour-by-hour weather breakdown for São João de Meriti 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 João de Meriti tomorrow hour by hour?
Tomorrow's forecast for São João de Meriti shows a high of 29°C and a low of 17°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in São João de Meriti?
Rain is not expected in São João de Meriti today. Current forecast shows no significant rain probability.
Is it going to rain today in São João de Meriti?
No, rain is not forecast for São João de Meriti today. Current conditions show clear to partly cloudy skies.