Live Weather & Forecast
Weather in Grajaú
Maranhão, Brazil · Real-time conditions & 3-day outlook
29°C
Feels like 33°C
85°F / Feels 92°F
Patchy light rain
Grajaú, Maranhão
🌞 Daytime
Updated: 2026-04-19 13:45
Humidity
71%
Wind
5.4 km/h W
Wind Gust
6.2 km/h
Pressure
1009 mb
Visibility
9 km
UV Index
11.9
(Extreme)
Precipitation
0.81 mm
Cloud Cover
53%
Dew Point
23.4°C
Wind Degree
262°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
116.9 μg/m³
NO₂
2.4 μg/m³
O₃
57 μg/m³
SO₂
0.9 μg/m³
PM 2.5
3.1 μg/m³
PM 10
3.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Grajaú, Maranhão
12 AM
22°
Mist
1 AM
22°
Mist
2 AM
22°
Mist
3 AM
21°
Mist
4 AM
21°
Mist
5 AM
21°
Fog
6 AM
21°
Fog
7 AM
23°
Mist
8 AM
24°
Partly Cloudy
9 AM
26°
Patchy rain nearby
10 AM
27°
Patchy rain nearby
11 AM
28°
Patchy rain nearby
12 PM
29°
Light rain shower
1 PM
29°
Patchy light rain
2 PM
29°
Patchy rain nearby
3 PM
29°
Light rain shower
4 PM
28°
Light rain shower
5 PM
26°
Patchy rain nearby
6 PM
23°
Patchy rain nearby
7 PM
23°
Patchy rain nearby
8 PM
22°
Patchy rain nearby
9 PM
22°
Mist
10 PM
22°
Mist
11 PM
22°
Light rain shower
3-Day Forecast
Daily overview for Grajaú, Maranhão
Today
Moderate rain
29°
/
21°
🌧️ 97% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 7.49 mm
☀️ UV Index: 12.5
🌅 Sunrise: 06:05 AM
🌇 Sunset: 06:02 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
29°
/
21°
🌧️ 89% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 9.97 mm
☀️ UV Index: 11
🌅 Sunrise: 06:05 AM
🌇 Sunset: 06:02 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Moderate rain
26°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 96%
💨 Max wind: 8.3 km/h
🌧️ Total precip: 15.15 mm
☀️ UV Index: 5.7
🌅 Sunrise: 06:05 AM
🌇 Sunset: 06:02 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Grajaú
Plan your trip to Grajaú, 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 Grajaú?
Current conditions in Grajaú: Patchy light rain, temperature 29°C, humidity 71%.
What is the best time to visit Grajaú?
The best time to visit Grajaú is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Grajaú?
Grajaú is located at approximately -5.8° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Grajaú?
The wettest period in Grajaú is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Grajaú?
For visits to Grajaú during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Grajaú in 2026?
View the 2026 public holidays for Grajaú on our Holidays page.
What are the GPS coordinates used for the weather forecast in Grajaú?
The weather forecast for Grajaú uses coordinates -5.8154, -46.1361.