UV Index in Maripasoula, French Guiana

Last updated: June 2, 2025

In Maripasoula, French Guiana, understanding the UV Index is crucial for protecting your skin from the sun's harmful rays. The high levels of UV radiation, particularly between 10 AM and 2 PM, highlight the importance of awareness to prevent sunburn and long-term skin damage. With a tropical climate that can expose residents and visitors to intense sunlight, knowing the daily UV levels is essential for maintaining skin health and enjoying outdoor activities safely. Keep an eye on the UV Index to stay informed and protect yourself from unnecessary risks under the vibrant sun of Maripasoula.

Hourly UV Index in Maripasoula

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 Maripasoula

The UV Index exhibits extremely high levels throughout the year, peaking at 16 in March and April. The highest risk months for UV exposure are from January to May, where the index remains consistently at 14-16, leading to a burn time of only 10 minutes. As summer approaches, the index slightly declines to 12 in June and July, maintaining a high-risk status. Visitors and residents are strongly advised to take necessary precautions during these months, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. Maintain awareness of the UV Index even during other months, as levels remain consistently high at 12-13 from August through December.

Monthly Maximum UV Index for Maripasoula, French Guiana

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

The table above highlights how UV exposure in Maripasoula 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.

Maripasoula'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
Maripasoula	14	15	16	16	14	12	12	13	13	13	13	12