UV Index in Santa Isabel, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Santa Isabel, Brazil, where the tropical climate brings both delightful sunshine and potential risks to skin health. Awareness of UV levels is essential for effective sunburn prevention and maintaining overall skin health, as exposure to high UV radiation can lead to serious long-term effects. With peak UV indices reaching 7 between noon and early afternoon, Santa Isabel's climate presents unique challenges—especially considering the region's Cfa climate zone, which is characterized by warm summers. Stay informed and enjoy the sun safely by paying attention to the UV Index and taking necessary precautions!

Hourly UV Index in Santa Isabel

The UV Index for the day reveals a significant shift as the sun rises. Starting at a low 1 at 07:00 and 08:00, the intensity gradually ramps up, peaking at 7 during 12:00 and 13:00—prime time to protect your skin! As the afternoon progresses, it dips to 5 by 14:00, then descends further to 3 at 15:00. The latter part of the day sees a decline in UV exposure, returning to 1 by 16:00 and eventually dropping to 0 by 18:00 and 19:00. Be mindful of the midday sun; it's wise to wear sunscreen and seek shade when the UV Index is at its highest!

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	9	very high	15 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	2	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 Santa Isabel

The UV Index displays significant seasonal variation, with extreme levels persisting from January through April and again in September to November. The highest risk months for UV exposure are January, February, and December, each with a UV Index of 16, indicating an extreme exposure category and a burn time of only 10 minutes. April also has an extreme rating at 11. In contrast, May and August have very high levels with UV indices of 8 and 9 respectively, leading to longer burn times of 15 minutes. This information emphasizes the importance of protective measures such as sunscreen, protective clothing, and limiting sun exposure, particularly during these high-risk months. Visitors and residents should remain vigilant and prioritize safety throughout the year, especially during the extreme exposure periods.

Monthly Maximum UV Index for Santa Isabel, Brazil

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

The table above highlights how UV exposure in Santa Isabel 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.

Santa Isabel'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
Santa Isabel	16	16	13	11	8	6	7	9	11	13	15	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