Grand-Santi Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Grand-Santi

Grand-Santi temperature today is 31°, feels like 34°, with humidity at 59% and wind at 5.87 km/h. Rain chance today is 86%. Use the hourly forecast and 5-day outlook below to plan your day.

overcast clouds
31°
overcast clouds
H: 31° L: 31°
Feels like 34°
AQI: (/5)
Humidity
59%
Dew 22°
Wind speed
5.87 km/h
ESE · G12.28
Pressure
1011 hPa
Visibility
10 km
High Temperature
Temperature is 31°. Consider staying indoors during peak hours.
Weather Summary
Currently in Grand-Santi, expect varied conditions with hot temperatures around 31°, though it feels warmer. Winds are a light breeze. Stay hydrated and seek shade during peak hours.
Precipitation Probability
86%
15
100%
18
100%
21
82%
00
62%
03
0%
06
0%
09
68%
12
44%
15
100%
18
80%
21
0%
00
0%
03
0%
06
0%
09
97%
12
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
28°
Sat
15:00
26°
 
23°
 
22°
 
22°
Sun
03:00
22°
 
25°
 
30°
 
29°
Sun
15:00
25°
 
23°
 
22°
 
21°
Mon
03:00
21°
 
25°
 
30°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:27
Sunset
Sunset
18:42
Moon Phase
Waxing Gibbous (86%)
Timezone: GMT+05:30
Last updated: Apr 25, 2026 9:51 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
4.250000
Longitude
Longitude
-54.383331
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More about Grand-Santi
Content curated by the NearWeather editorial team · Updated periodically

Grand-Santi, French Guiana - Climate and Weather Overview

Grand-Santi is a picturesque town located in the heart of the Amazon rainforest in French Guiana. As with many equatorial regions, Grand-Santi experiences a tropical rainforest climate, characterized by high temperatures, heavy rainfall, and consistent humidity throughout the year. Understanding the climate and weather patterns of Grand-Santi is crucial for residents, tourists, and businesses operating in the area. Let's delve into a comprehensive overview of the climate and weather in Grand-Santi throughout the year.

Temperature

The temperatures in Grand-Santi remain consistently warm throughout the year due to its proximity to the equator. The average annual temperature hovers around 25-26°C (77-79°F). Daytime temperatures typically range from 30-32°C (86-90°F) during the day, while nights are milder with temperatures dropping to 22-24°C (72-75°F). There is minimal variation in temperature between seasons, providing a constantly tropical environment.

Rainfall

Grand-Santi experiences significant rainfall year-round, a characteristic feature of its tropical rainforest climate. The town receives an average annual rainfall of approximately 3,000-3,500 millimeters (118-138 inches). The precipitation is distributed fairly evenly throughout the year, with no distinct dry season. However, the months of April to July tend to receive slightly higher rainfall compared to the rest of the year. The consistent rainfall contributes to the lush and vibrant rainforest ecosystem that surrounds Grand-Santi.

Humidity

Given its location in the midst of the Amazon rainforest, Grand-Santi maintains high humidity levels throughout the year. Relative humidity typically exceeds 80%, creating a constantly muggy and tropical atmosphere. The combination of warmth and high humidity contributes to the town's overall tropical feel, making it important for visitors and residents to prepare for these conditions accordingly.

Extreme Weather Events

While Grand-Santi does not experience extreme weather events such as hurricanes or typhoons due to its location within the interior of South America, it is not completely immune to weather-related challenges. Heavy rainfall can occasionally lead to localized flooding, and thunderstorms are relatively common during the wetter months. These weather events are important considerations for residents and businesses when planning and preparing for potential impacts.

Best Time to Visit

Choosing the best time to visit Grand-Santi depends on individual preferences and tolerance for the tropical climate. However, the slightly drier months from August to March may be more appealing to some visitors, as they may experience relatively less rainfall compared to the wetter months. Wildlife enthusiasts and nature lovers may prefer visiting during the wetter months when the rainforest is at its most lush and vibrant, offering unique opportunities to witness the incredible biodiversity of the region.

Conclusion

In conclusion, Grand-Santi's climate and weather are defined by its tropical rainforest characteristics, including warm temperatures, abundant rainfall, and high humidity levels year-round. Understanding and preparing for these weather patterns are essential for residents, visitors, and businesses to fully appreciate and thrive in this unique equatorial environment.

Throughout the year, Grand-Santi's tropical climate and weather contribute to its rich biodiversity and stunning natural landscapes, making it a truly remarkable destination for those seeking an immersive rainforest experience.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Grand-Santi
What is the Latitude and Longitude of Grand-Santi?

Grand-Santi's Latitude is 4.250000 & Longitude is -54.383331.

What is the weather in Grand-Santi today?

Weather in Grand-Santi is 31° today.

What is the climatic condition of Grand-Santi today?

Climate Conditions in Grand-Santi shows overcast clouds today.

What is the humidity in Grand-Santi today?

Humidity in Grand-Santi is 59% today.

What is the wind speed in Grand-Santi today?

Wind speed in Grand-Santi is 5.87 km/h, flowing at 112° ESE wind direction.

What does it feel like in Grand-Santi today?

It feels like 34° in Grand-Santi today, with 100% cloud cover and 10 km visibility.

Weather in Grand-Santi