UV Index in Bonito, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Bonito, Brazil is essential for maintaining skin health and preventing sunburn, especially in a region renowned for its ample sunshine and outdoor activities. With climatic conditions that draw many to explore its natural beauty, being aware of UV levels can help you safeguard against harmful exposure. During the peak sun hours, from 10 AM to 2 PM, Bonito experiences a UV Index that often reaches levels of 8, indicating a very high risk of harm from unprotected sun exposure. Stay informed and take the necessary precautions to enjoy the sun safely while relishing the breathtaking landscapes Bonito has to offer!

Hourly UV Index in Bonito

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it nudges up to 2, signaling a mild increase in UV exposure. The intensity heats up quickly, reaching a moderate 4 by 9:00 AM, before hitting its peak of 8 from 11:00 AM to 12:00 PM. This is the prime time for sun safety awareness! After noon, the UV Index gradually declines; by 3:00 PM, it recedes to 3, and as the day wanes, it drops significantly to 1 by 4:00 PM. By evening, UV levels have diminished, reaching 0 by 6:00 PM, offering a reprieve from the sun’s rays.

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	6	high	25 min
11:00	8	very high	15 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	5	moderate	30 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 Bonito

The UV Index shows significant seasonal variability, with the highest levels occurring from January to April and again in October and November, categorizing these months as extreme in terms of sun exposure risk. High-risk months include January, February, March, September, October, November, and December, where the burn time is notably low at 10 minutes in strong UV conditions. Visitors and residents are advised to take necessary precautions during these months, including wearing protective clothing, applying high-SPF sunscreen, and seeking shade, especially during midday hours. As we move into the summer months of May through August, while the UV Index drops to very high or high, it remains crucial to remain vigilant, with burn times ranging from 15 to 25 minutes. Regularly checking the UV Index is essential for all outdoor activities to ensure safety and skin protection.

Monthly Maximum UV Index for Bonito, Brazil

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

The table above highlights how UV exposure in Bonito 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.

Bonito'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
Bonito	15	15	13	12	9	7	8	10	11	13	14	16
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