UV Index in Santana, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Santana, Brazil. With a BSh climate that often brings sunny days, awareness of UV levels can help prevent sunburn and protect your skin from long-term damage. During peak hours, the UV Index can soar as high as 9, indicating a significant risk of harm, especially between 10 AM and 2 PM when exposure is most intense. By staying informed about daily UV fluctuations, you can make smarter choices to safeguard your skin while enjoying the vibrant outdoors in Santana.

Hourly UV Index in Santana

The UV Index for today showcases a striking peak between 11:00 AM and 12:00 PM, where it reaches a high of 9, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index begins to taper off, transitioning to a 5 at 2:00 PM and then dropping further to 3 by 3:00 PM. The late afternoon brings a noticeable decline, finishing off with 1 at 4:00 PM and fading to 0 after 6:00 PM. If you're planning outdoor activities, the optimal time to soak up the sun safely is definitely before noon! Don’t forget your sunscreen during those peak hours!

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	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	9	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 Santana

The UV Index shows significant seasonal variation, with extreme levels persisting from January to April and November to December, where burn times are notably brief at just 10 minutes. High-risk months include January through April and August to November, during which outdoor activities should incorporate strong sun protection measures. Even in June and July, categorized as very high, the burn time increases to 15 minutes, indicating a slightly lower risk but still requiring caution. Residents and visitors alike are advised to apply sunscreen, wear protective clothing, and limit sun exposure during peak hours, especially in the high-risk months, to ensure safety from harmful UV radiation.

Monthly Maximum UV Index for Santana, Brazil

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

The table above highlights how UV exposure in Santana 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.

Santana'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
Santana	15	15	14	13	11	9	10	12	13	14	15	15
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13