UV Index in Saint-Laurent-du-Maroni, French Guiana

Last updated: June 2, 2025

In Saint-Laurent-du-Maroni, French Guiana, being aware of the UV Index is crucial for maintaining skin health and preventing harmful sunburn. The region's tropical climate, characterized by high humidity and intense sunlight, can expose residents and visitors alike to elevated UV levels, especially during peak hours. Understanding these UV levels—like the significant spike to 13 at noon—empowers you to take necessary precautions to protect your skin from potential damage. Whether you're enjoying outdoor activities or simply soaking in the sun, keeping an eye on the UV Index helps ensure your skin remains safe and healthy.

Hourly UV Index in Saint-Laurent-du-Maroni

As the sun rises, the UV Index gradually climbs, starting from a gentle 1 at 07:00, ideal for a morning stroll. By 09:00, it reaches 4, prompting a bit more caution if you're outdoors. The sun's intensity peaks sharply at 12:00 with a blistering 13, signaling the importance of sunscreen and protective clothing, especially as it remains high until 14:00. As the afternoon progresses, the index drops steadily, falling to 4 by 16:00, and finally winding down to 1 by 18:00. As sunset approaches at 19:00, the UV threat dwindles to 0, allowing for a safe evening in the fading light. Be sure to stay protected during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Saint-Laurent-du-Maroni

Throughout the year, the UV Index remains notably high, with extreme exposure levels recorded from January to December. The peak months are March and April, where the UV Index reaches 16 and 15, respectively, indicating a particularly high risk for skin damage with a burn time of just 10 minutes. Even in the summer months, the Index stays elevated at 12-14, emphasizing the need for vigilance. Visitors and residents are advised to take preventive measures, such as applying sunscreen, wearing protective clothing, and seeking shade, regardless of the month, as optimal sun safety practices are essential year-round due to the consistently severe burn times associated with this UV exposure.

Monthly Maximum UV Index for Saint-Laurent-du-Maroni, French Guiana

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Laurent-du-Maroni. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Saint-Laurent-du-Maroni, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Saint-Laurent-du-Maroni UV Index with Other French Guiana Cities

The table above highlights how UV exposure in Saint-Laurent-du-Maroni compares to other major locations across French Guiana. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Saint-Laurent-du-Maroni's solar exposure compared to other cities in French Guiana. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Matoury UVI	13	14	16	16	14	13	12	13	13	13	13	12
Remire-Montjoly UVI	13	14	16	16	14	13	12	13	13	13	13	12
Cayenne UVI	13	14	16	16	14	13	12	13	13	13	13	12
Kourou UVI	13	14	16	16	14	13	12	13	13	13	13	12
Saint-Laurent-du-Maroni	13	14	16	15	14	13	12	13	13	13	13	11