UV Index in Ribeirao, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Ribeirão, Brazil, where sunny days are prevalent in the As climate zone. As you enjoy the warm climate, being aware of UV levels is vital for preventing sunburn and maintaining healthy skin. With peak UV Index values soaring to 11 around noon, the risks of prolonged sun exposure are significant, emphasizing the need for protective measures during the hottest hours. By staying informed about UV conditions, you can better safeguard your health while enjoying all that Ribeirão has to offer.

Hourly UV Index in Ribeirao

As the sun rises, the UV Index begins to climb, peaking dramatically at 11 by 11:00 AM, signaling the day's intense sun exposure. From a gentle 2 at 7:00 AM, the index escalates through the morning, hitting 9 by 10:00 AM and reaching a midday pinnacle of 11. After this height, the UV levels start their gradual descent, dropping to 8 by 1:00 PM and further tapering off to 5 at 2:00 PM. As afternoon turns to evening, the UV Index decreases significantly, settling at 0 by 7:00 PM. This data highlights the importance of sun protection during the peak hours, especially between 10:00 AM and 2:00 PM, when the potential for skin damage is at its highest. Stay safe and enjoy the sunshine wisely!

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	10	very high	15 min
13:00	8	very high	15 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 Ribeirao

The UV Index varies throughout the year, consistently remaining at extreme levels with values mainly between 11 and 15. Notably, March and November represent the peak months with a UV Index of 15, accompanied by a dangerously short burn time of only 10 minutes. Residents and visitors should exercise vigilance from January through December, as every month presents a high risk for sunburn due to the extreme exposure category. It is crucial to take precautions by wearing appropriate sunscreen, protective clothing, and seeking shade during peak sunlight hours to mitigate the risk of UV-related skin damage.

Monthly Maximum UV Index for Ribeirao, Brazil

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

The table above highlights how UV exposure in Ribeirao 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.

Ribeirao'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
Ribeirao	14	14	15	14	12	11	11	12	13	14	15	14