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Weather & Climate in Saint-Georges, French Guiana
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Georges has a warm climate with an average annual temperature of 79°F (26°C). Winters average 77°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 132 sunny days per year, below the national average of 205. Annual precipitation totals 132.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
77°F Jan (25°C)
78°F Jul (26°C)
| Annual Average | 78.6°F |
| 46% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 132 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 895.8 sq mi (2,320.0 km²) |
| Population Density | 3/sq mi |
| Coordinates | 3.8886°N, 51.8024°W |
| Timezone | America/Cayenne |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Jun 8, 2006 | 48 km E of Roura, French Guiana | M5.0 | 87 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 16.0 in | |
| February | 77°F (25°C) | 12.9 in | Coldest |
| March | 78°F (26°C) | 14.2 in | |
| April | 78°F (26°C) | 16.4 in | |
| May | 78°F (26°C) | 20.7 in | Wettest |
| June | 78°F (26°C) | 15.7 in | |
| July | 78°F (26°C) | 8.4 in | |
| August | 79°F (26°C) | 4.9 in | |
| September | 80°F (27°C) | 2.8 in | Driest |
| October | 80°F (27°C) | 3.1 in | Warmest |
| November | 80°F (26°C) | 5.4 in | |
| December | 78°F (26°C) | 12.0 in |
Saint-Georges has a seasonal temperature swing of 3°F / from 77°F in February to 80°F in October. Total annual precipitation is 132.4 inches, with May being the wettest month (20.7") and September the driest (2.8").