UV Index in Saint-Georges, French Guiana

Last updated: July 2, 2025

In Saint-Georges, French Guiana, being mindful of the UV Index is crucial for safeguarding your skin against harmful solar radiation. With UV levels soaring to a maximum of 12 during peak hours, understanding these fluctuations is vital for preventing sunburn and maintaining skin health in the region’s tropical climate. The high UV exposure risk, especially between 10 AM and 2 PM, underscores the importance of taking appropriate precautions to enjoy the sun safely while minimizing damage. Stay informed, stay protected!

Hourly UV Index in Saint-Georges

The UV Index for today displays a notable increase, reaching its peak at 12 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. As the day begins, the index starts at a mild 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. A sharp rise occurs by 10:00 AM, hitting 7, before soaring to an intense 10 at 11:00 AM. After the zenith from 12:00 PM to 1:00 PM, the index gradually declines, dipping to 7 by 3:00 PM, then back down to 4 at 4:00 PM, before closing the day at 0 by 7:00 PM. With such elevated UV levels during the midday hours, it’s crucial to take precautions—seek shade, wear protective clothing, and apply sunscreen to ensure safety while enjoying the outdoors!

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 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-Georges

The UV Index remains consistently high throughout the year in this region, with values peaking at 16 in both March and April, categorizing these months as high-risk periods for sun exposure. From January to May, and again in August, the index shows extreme levels, indicating a burn time of just 10 minutes. Visitors and residents are advised to take precautionary measures during these months, such as wearing protective clothing, applying sunscreen with a high SPF, and seeking shade whenever possible. With June through December maintaining similarly elevated levels, vigilance is essential year-round to ensure skin safety and minimize UV-related health risks.

Monthly Maximum UV Index for Saint-Georges, French Guiana

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Georges. 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-Georges, 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-Georges UV Index with Other French Guiana Cities

The table above highlights how UV exposure in Saint-Georges 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-Georges'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 UVI	13	14	16	15	14	13	12	13	13	13	13	11
Saint-Georges	13	14	16	16	14	12	12	13	13	13	13	12