UV Index in Ribeirao Preto, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Ribeirao Preto, Brazil, where the climate presents significant sun exposure risks throughout the year. Awareness of UV levels helps in preventing sunburn and maintaining skin health, especially during peak hours when the index can reach as high as 8 around midday. With a tropical savanna climate characterized by strong sunlight, Ribeirao Preto locals should be mindful of UV levels, particularly between 10 AM and 2 PM, when the risk for skin damage is at its highest. Stay informed and protect your skin as you enjoy the sunny days in this vibrant city!

Hourly UV Index in Ribeirao Preto

At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect your skin!

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
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:007high25 min
14:006high25 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Ribeirao Preto

The UV Index demonstrates notable seasonal fluctuations, indicating that January through April poses a high-risk period for sun exposure, with an extreme rating of 16-13, and a very short burn time of just 10 minutes. Visitors and residents should be particularly cautious during these months, as well as in September to November, which also show extreme UV levels with a burn time of 10 minutes. In contrast, May through August presents a very high risk with slightly longer burn times of 15-25 minutes, peaking in July. As such, regardless of the season, it is crucial to apply sunscreen diligently, wear protective clothing, and limit sun exposure, especially during midday hours, to safeguard against skin damage and other UV-related health issues.

Monthly Maximum UV Index for Ribeirao Preto, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ribeirao Preto. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141416
Data source: Statistical UV Index data for Ribeirao Preto, 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 Ribeirao Preto UV Index with Other Brazil Cities

The table above highlights how UV exposure in Ribeirao Preto 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.
Ribeirao Preto's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Ribeirao Preto161613118781012131416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313