French Guiana

French Guiana © By Tylda

French Guiana Sea Temperature

This page provides detailed information about the water temperature in French Guiana. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature in French Guiana: General Trends and Swimming Opportunities

French Guiana, located on the northeastern coast of South America, offers a tropical climate and a coastline along the Atlantic Ocean. The warm waters of the Atlantic make it a great destination for swimming, particularly during the dry season, which lasts from July to December. The sea temperature here is consistently warm, ranging from 26°C to 30°C (79°F to 86°F) throughout the year, making it ideal for swimming, beach activities, and water sports. The coastal areas near the capital, Cayenne, and other popular destinations like Kourou, offer opportunities for relaxation in the warm, calm waters of the Atlantic.

While the water temperature is inviting, it is important to note that the region's beaches are often less developed compared to other tropical destinations. Many of the beaches in French Guiana, such as those around the Îles du Salut, are remote and not as heavily frequented by tourists, providing a more tranquil and natural environment. The warm waters of these beaches are perfect for a refreshing swim, although the presence of strong currents in certain areas can make some regions less suitable for casual swimming without caution.

Additionally, French Guiana’s tropical climate means the region experiences frequent rainfall, which can impact sea conditions and beach accessibility, especially during the rainy season from January to June. Despite this, the warm ocean temperatures and the relatively quiet, pristine beaches continue to attract visitors, particularly those interested in experiencing the natural beauty of the region’s coastline and its unique ecosystems. The consistent warmth of the ocean throughout the year makes French Guiana a suitable destination for beach and water activities during most seasons.

General Information and Geographical Location of French Guiana

Original name of the country: Guyane

French Guiana is located in South America. The country is washed by the Atlantic Ocean. French Guiana is a small country. To determine the temperature of the water in it, we monitor only four settlements. Link to Google Maps.

French Guiana Weather

French Guiana, located in northern South America along the Atlantic coast, has a tropical climate with high temperatures and humidity throughout the year. Daytime temperatures generally range from 77°F to 91°F (25°C–33°C), with little seasonal variation due to its proximity to the equator. The region experiences significant rainfall, especially during the wet season from December to July, when heavy showers and thunderstorms are common. The drier period, from August to November, brings slightly less rain and more sunshine, though humidity remains high year-round.

The climate is heavily influenced by the Intertropical Convergence Zone, which causes frequent and intense rainfall. Coastal areas, where most of the population lives, experience warm temperatures with refreshing sea breezes, while the inland rainforest regions are even more humid and prone to continuous rainfall. Nighttime temperatures are usually mild, averaging around 73°F to 77°F (23°C–25°C), but the high humidity can make it feel warmer. Due to the consistently warm and wet conditions, French Guiana is home to dense tropical forests, rich biodiversity, and a variety of wildlife adapted to its humid environment.

Frequently Asked Questions About French Guiana and its Water Temperatures