UV Index in Belo Horizonte, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for everyone in Belo Horizonte, Brazil, where the sun shines brightly in a Cwa climate. With UV levels soaring to a maximum of 7 during midday hours, being aware of these fluctuations is vital for sunburn prevention and protecting your skin health. High UV exposure not only increases the risk of sunburn but also long-term skin damage. As residents enjoy the beautiful Brazilian sunshine, it’s important to stay informed about UV risks throughout the day to safeguard your health while making the most of the stunning outdoors.

Hourly UV Index in Belo Horizonte

The UV Index data paints a clear picture of how exposure to ultraviolet rays varies throughout the day. Starting at a low level of 1 at 07:00, the index gradually climbs to peak at 7 from 11:00 to 12:00, indicating the times when sun protection is most crucial. As the afternoon progresses, the index dips to 6 at 13:00, then gently declines to 4 by 14:00. The evening hours see a significant drop, with values falling to 2 at 15:00 and retreating to 1 at 16:00. By nightfall, the UV Index drops to 0 from 18:00 onward, signalling a safe time for outdoor activities without the need for sun protection. Enjoy the sunshine, but be mindful of the 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
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:007high25 min
12:007high25 min
13:006high25 min
14:004moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Belo Horizonte

The UV index data indicates significant seasonal changes, with extreme exposure occurring from January to April, where the UV Index remains at 17 to 12 and has a burn time of just 10 minutes. The months of February and March rank as high-risk due to their near-peak UV readings. As the year progresses into May and June, the UV index decreases but still poses risks, transitioning to a very high category, allowing for a slightly more extended burn time of 15 to 25 minutes. However, July and August return to very high levels despite a brief drop in June. As the summer ends and September through December roll in, residents and visitors should remain vigilant, as the index shifts back to extreme in both September and November, with consistent burn times of 10 minutes. It's crucial for everyone to take necessary precautions during these high-risk months, such as wearing sunscreen, protective clothing, and minimizing sun exposure during peak hours.

Monthly Maximum UV Index for Belo Horizonte, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Belo Horizonte. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec171514129781012141416
Data source: Statistical UV Index data for Belo Horizonte, 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 Belo Horizonte UV Index with Other Brazil Cities

The table above highlights how UV exposure in Belo Horizonte 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.
Belo Horizonte'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 Horizonte171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313