UV Index in Cidreira, Brazil

Last updated: June 2, 2025

Understanding the UV Index is vital for residents and visitors of Cidreira, Brazil, known for its lovely coastal climate. With rising UV levels throughout the day, particularly peaking around midday, being mindful of these ratings can help protect against sunburn and long-term skin health issues. Cidreira's Cfa climate typically brings sunny days with heightened exposure to harmful ultraviolet rays, making it essential to monitor UV levels for safe outdoor activities. Stay informed and enjoy the beauty of this coastal gem while keeping your skin protected!

Hourly UV Index in Cidreira

The UV Index throughout the day experiences a notable progression, starting from a maximum of 0 at 07:00, indicating minimal UV exposure. As the morning unfolds, it gradually rises, reaching 1 by 08:00 and staying steady at this level until 09:00. The sun’s intensity escalates sharply, peaking at 4 between 11:00 and 13:00, highlighting the importance of sun protection during these hours. Just after peak exposure, the index dips slightly to 3 at 14:00 before decreasing further to 2 by 15:00. The final hours see a steady decline, falling back to 1 at 16:00 and 17:00, before returning to 0 by 18:00, signaling the end of the day. This data emphasizes the need for awareness and protection during midday hours when UV radiation 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.
TimeUVICategoryTime to Burn
07:000low45 min
08:001low45 min
09:001low45 min
10:003moderate30 min
11:004moderate30 min
12:004moderate30 min
13:004moderate30 min
14:003moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Cidreira

Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with high-risk months occurring primarily from January to March and again in November and December when the index reaches extreme levels (12 to 15), indicating a burn time of just 10 minutes. In April and September, the UV Index falls to very high levels (9), allowing slightly longer exposure times of 15 minutes, while May to August experience moderate to high levels (4 to 6) with burn times extending to 25-30 minutes. As such, it is strongly advised for both visitors and residents to take proactive sun protection measures during the extreme and very high UV Index months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade when necessary to minimize the risk of skin damage.

Monthly Maximum UV Index for Cidreira, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cidreira. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121415
Data source: Statistical UV Index data for Cidreira, 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 Cidreira UV Index with Other Brazil Cities

The table above highlights how UV exposure in Cidreira 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.
Cidreira's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Cidreira141312964569121315
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313