UV Index in Desterro, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Desterro, Brazil, where the tropical climate offers plenty of sunshine but also heightened risks of harmful UV exposure. Awareness of UV levels is essential not only for preventing painful sunburns but also for safeguarding long-term skin health. With peak UV Index readings soaring to 11 around midday, the risk of skin damage is significant, necessitating effective sun protection strategies. In this vibrant locale, where outdoor activities abound, being informed about UV levels can help you enjoy the sun safely while protecting your skin from its potentially damaging effects.

Hourly UV Index in Desterro

As the sun rises and begins to assert its strength, the UV Index increases rapidly throughout the morning. At 7:00 AM, it starts at a modest 2, but by 9:00 AM, it leaps to a notable 7. The peak intensity hits high noon, with 11 at both 11:00 AM and 12:00 PM, indicating a critical time for sun safety. After that, the index begins to drop, falling to 6 by 2:00 PM and further declining toward the evening, finally reaching 0 by 7:00 PM. This data starkly illustrates the importance of sun protection during the midday hours when UV exposure is at its most dangerous.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Desterro

Throughout the year, the UV Index remains consistently high, with January to March and November to December reaching a staggering 15, categorized as extreme. The months of April to June see slightly lower indices, with values of 14 and 13, but still within the extreme range. July and August also maintain an 11-12, again indicating extreme exposure risk. September and October experience a return to 14, reinforcing the need for caution. Given the consistently high UV levels, especially during the high-risk months of January, February, March, and November, it’s crucial for visitors and residents to take proactive measures against UV exposure. Always wear protective clothing, seek shade, and apply broad-spectrum sunscreen liberally to safeguard against skin damage and related health risks.

Monthly Maximum UV Index for Desterro, Brazil

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

The table above highlights how UV exposure in Desterro compares to other major locations across Brazil. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Desterro's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Desterro	15	15	15	14	13	11	11	12	14	14	15	15