UV Index in Santo Anastacio, Brazil

Last updated: June 2, 2025

In Santo Anastacio, Brazil, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding the levels of ultraviolet radiation throughout the day can help you prevent sunburn and reduce the risk of long-term skin damage. With a tropical climate that often exposes residents to elevated UV levels, especially during midday hours, it's essential to stay informed about the daily fluctuations. During peak times, such as noon to early afternoon, the UV Index can reach up to 7, indicating a high risk of harm from unprotected sun exposure. Stay vigilant and make informed choices to safeguard your skin while enjoying the vibrant sun-soaked days in Santo Anastacio!

Hourly UV Index in Santo Anastacio

The UV Index highlights a dynamic shift in sun exposure throughout the day. Starting off at a modest level of 1 at 07:00 and 08:00, the intensity gradually increases, peaking at 7 from 12:00 to 13:00, indicating high risk for harm from unprotected sun exposure. As the afternoon progresses, the index dips to 5 at 14:00 before gracefully descending to 3 by 15:00. The day winds down with the UV Index returning to its initial levels at 1 by 17:00, and then falling to 0 after 18:00, marking a safe end to sun exposure. It's a clear reminder to plan sun protection strategies, especially during the peak hours when the index reaches its zenith!

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:007high25 min
14:005moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Santo Anastacio

Throughout the year, the UV Index demonstrates significant seasonal variation, with the highest levels occurring during the winter and late fall months. From January to April, the UV Index remains in the extreme exposure category (15 to 11), with a rapid burn time of just 10 minutes. This extreme risk continues into September and October, matching the highest readings, while November also presents a notable UV Index of 14. The high-risk months are primarily January through April, and again in September through November. As the months progress to May through August, the levels decrease slightly, categorized as very high to high, allowing slightly longer burn times of 15 to 25 minutes. It is advisable for both visitors and residents to exercise extreme caution during peak UV times, particularly in the first half of the year, using appropriate sun protection measures such as sunscreen, hats, and protective clothing.

Monthly Maximum UV Index for Santo Anastacio, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santo Anastacio. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151513118781011141416
Data source: Statistical UV Index data for Santo Anastacio, 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 Santo Anastacio UV Index with Other Brazil Cities

The table above highlights how UV exposure in Santo Anastacio 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.
Santo Anastacio's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Santo Anastacio151513118781011141416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313