UV Index in Fernando de Noronha (Distrito Estadual), Brazil

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents and visitors in Fernando de Noronha (Distrito Estadual), Brazil, where the tropical climate intensifies sun exposure. Understanding UV levels not only helps in preventing sunburns but also plays a vital role in maintaining long-term skin health. With peak UV Index values reaching as high as 11 during midday, it's essential to recognize that even short periods under the sun can lead to significant risks. As you explore the stunning beaches and lush landscapes of Fernando de Noronha, keep an eye on these UV levels to safeguard your skin and enjoy the sun responsibly.

Hourly UV Index in Fernando de Noronha (Distrito Estadual)

The UV Index begins its ascent at 07:00 with a low reading of 1, gradually rising to 2 by 08:00. As the day progresses, the intensity of UV radiation peaks at 12:00, hitting a maximum of 11—a critical level where sun protection is essential. Following this zenith, the index starts to decline, measuring 10 at 13:00, then tapering off to 8 by 14:00. By mid-afternoon, the UV Index drops to 5 at 15:00 and continues its downward trajectory, reaching 2 at 16:00. As the sun sets, the UV index decreases to 1 by 17:00 and ultimately settles at 0 by 18:00, signifying the end of significant UV exposure for the day. It's a reminder that while the sun's rays can be intense at midday, the morning and late afternoon offer safer conditions for outdoor activities.

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
08:002low45 min
09:005moderate30 min
10:008very high15 min
11:0010very high15 min
12:0011extreme10 min
13:0010very high15 min
14:008very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Fernando de Noronha (Distrito Estadual)

The UV Index data reveals that from January to April, there is a consistently high risk of UV exposure, peaking at 15 in March and April. May shows a slight decline to 13, but the risk remains extreme throughout these months with a burn time of just 10 minutes. As we transition into summer, June and July maintain an index of 11, while August sees a slight rise to 12. The UV levels remain notably high into the fall, with September to November averaging 13. Visitors and residents should take precautions during these high-risk months, particularly from January through April and again in September to November, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage.

Monthly Maximum UV Index for Fernando de Noronha (Distrito Estadual), Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Fernando de Noronha (Distrito Estadual). It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111213131313
Data source: Statistical UV Index data for Fernando de Noronha (Distrito Estadual), 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 Fernando de Noronha (Distrito Estadual) UV Index with Other Brazil Cities

The table above highlights how UV exposure in Fernando de Noronha (Distrito Estadual) 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.
Fernando de Noronha (Distrito Estadual)'s solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fernando de Noronha (Distrito Estadual)141415151311111213131313
Fortaleza UVI141415151311111213131313