UV Index in Almeirim, Brazil

Last updated: July 2, 2025

In Almeirim, Brazil, staying informed about the UV Index is crucial for safeguarding your skin and overall health. With the region's tropical climate and intense sun exposure, understanding UV levels can mean the difference between enjoying the outdoors and suffering from painful sunburn. During peak hours, especially between 11:00 AM and 1:00 PM, the UV Index often soars to 11, indicating an extreme risk of harm from unprotected sun exposure. By being aware of these levels, residents and visitors can take proactive measures to protect themselves and enjoy the vibrant beauty of Almeirim safely.

Hourly UV Index in Almeirim

The UV Index reveals a dynamic pattern throughout the day, starting at a low 1 in the early morning hours of 07:00 and 08:00. As the sun rises, the index climbs steadily, reaching 3 by 09:00. The midday sun peaks aggressively at 11, with the UV Index hitting its maximum of 11 from 12:00 to 13:00, signaling a high risk for skin damage without protection. Following this peak, values gradually decline, dropping to 9 at 14:00, and tapering down to 6 by 15:00. As the evening approaches, the UV Index falls back to 3 by 16:00 and finally descends to a 1 by 17:00 and 18:00, before sinking to 0 at 19:00, marking the end of the day's UV exposure. It's a reminder to stay vigilant under the sun, especially 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:006high25 min
11:009very high15 min
12:0011extreme10 min
13:0011extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Almeirim

From January through April, the UV Index remains extremely high, peaking at 16, indicating that the risk of harm from unprotected sun exposure is significant, with a minimal burn time of just 10 minutes. The high-risk months continue into May and June, where the UV Index gradually decreases but still maintains an extreme rating, allowing only a 10-minute safe exposure period. Visitors and residents should remain vigilant, especially during these months, wearing protective clothing, applying sunscreen, and seeking shade when outdoors. As summer transitions into autumn, the UV Index remains high through September and October but begins to gradually lower by November. Regardless of the month, it is crucial for everyone to stay informed and take necessary precautions to protect skin health throughout the year.

Monthly Maximum UV Index for Almeirim, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Almeirim. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151516161312111213131413
Data source: Statistical UV Index data for Almeirim, 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 Almeirim UV Index with Other Brazil Cities

The table above highlights how UV exposure in Almeirim 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.
Almeirim'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
Fortaleza UVI141415151311111213131313
Almeirim151516161312111213131413