Live Weather & Forecast
Weather in São Mateus do Maranhão
Maranhão, Brazil · Real-time conditions & 3-day outlook
29°C
Feels like 33°C
84°F / Feels 91°F
Light rain shower
São Mateus do Maranhão, Maranhão
🌞 Daytime
Updated: 2026-04-21 13:30
Humidity
76%
Wind
5.4 km/h NNW
Wind Gust
6.6 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
11
(Extreme)
Precipitation
0.6 mm
Cloud Cover
55%
Dew Point
23.9°C
Wind Degree
341°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
111.9 μg/m³
NO₂
2.4 μg/m³
O₃
50 μg/m³
SO₂
1 μg/m³
PM 2.5
4.3 μg/m³
PM 10
4.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for São Mateus do Maranhão, Maranhão
12 AM
23°
Light rain shower
1 AM
23°
Fog
2 AM
23°
Fog
3 AM
23°
Fog
4 AM
23°
Patchy light drizzle
5 AM
23°
Fog
6 AM
22°
Light rain shower
7 AM
23°
Fog
8 AM
24°
Mist
9 AM
25°
Light rain shower
10 AM
25°
Patchy rain nearby
11 AM
28°
Partly Cloudy
12 PM
29°
Patchy rain nearby
1 PM
29°
Light rain shower
2 PM
28°
Light rain shower
3 PM
27°
Light rain shower
4 PM
26°
Patchy rain nearby
5 PM
25°
Light rain shower
6 PM
23°
Light rain shower
7 PM
23°
Light rain shower
8 PM
23°
Light rain shower
9 PM
23°
Fog
10 PM
23°
Fog
11 PM
23°
Fog
3-Day Forecast
Daily overview for São Mateus do Maranhão, Maranhão
Today
Moderate rain
29°
/
22°
🌧️ 92% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 5.4 km/h
🌧️ Total precip: 7.69 mm
☀️ UV Index: 12
🌅 Sunrise: 05:55 AM
🌇 Sunset: 05:55 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Moderate rain
28°
/
22°
🌧️ 89% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 5.4 km/h
🌧️ Total precip: 9.8 mm
☀️ UV Index: 10.4
🌅 Sunrise: 05:55 AM
🌇 Sunset: 05:55 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Moderate rain
30°
/
22°
🌧️ 86% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 9.77 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:55 AM
🌇 Sunset: 05:55 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit São Mateus do Maranhão
Plan your trip to São Mateus do Maranhão, 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 Mateus do Maranhão?
Current conditions in São Mateus do Maranhão: Light rain shower, temperature 29°C, humidity 76%.
What is the best time to visit São Mateus do Maranhão?
The best time to visit São Mateus do Maranhão is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in São Mateus do Maranhão?
São Mateus do Maranhão is located at approximately -4° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in São Mateus do Maranhão?
The wettest period in São Mateus do Maranhão is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to São Mateus do Maranhão?
For visits to São Mateus do Maranhão during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is São Mateus do Maranhão in?
What are the public holidays in São Mateus do Maranhão in 2026?
View the 2026 public holidays for São Mateus do Maranhão on our Holidays page.
What are the GPS coordinates used for the weather forecast in São Mateus do Maranhão?
The weather forecast for São Mateus do Maranhão uses coordinates -4.0289, -44.4667.
What is the current temperature outside in São Mateus do Maranhão?
The current outdoor temperature in São Mateus do Maranhão is 29°C (84°F) with light rain shower.
What is the hourly weather forecast for São Mateus do Maranhão today?
Today's hour-by-hour weather breakdown for São Mateus do Maranhão 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 Mateus do Maranhão tomorrow hour by hour?
Tomorrow's forecast for São Mateus do Maranhão shows a high of 28°C and a low of 22°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in São Mateus do Maranhão?
There is a 92% chance of rain in São Mateus do Maranhão 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 Mateus do Maranhão?
Yes, there is a 92% chance of rain in São Mateus do Maranhão today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.