UV Index in Santana de Parnaiba, Brazil

Last updated: August 1, 2025

In Santana de Parnaiba, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels can help residents and visitors alike take necessary precautions during peak hours, especially when the UV Index rises to a notable 7 around midday. This Cfa climate zone brings warm conditions that can lead to increased UV exposure, making it essential to monitor daily UV levels to safeguard against skin damage. By staying informed, you can enjoy the beautiful Brazilian sun while protecting your skin from its harmful effects.

Hourly UV Index in Santana de Parnaiba

The UV Index data for the day reveals a dynamic pattern of sun exposure. Starting off at a low level, both 7:00 AM and 8:00 AM maintain a mere index of 1, indicating minimal UV radiation. As the sun climbs higher, 9:00 AM sees the index rise to 3, gradually peaking at 12:00 PM with an intense 7, suggesting it's time for sun protection. The afternoon hours show a slight decline, with 1:00 PM and 2:00 PM still holding strong at 6 and 5 respectively. As the day winds down, the index drops sharply after 3:00 PM, falling back to a 1 by 4:00 PM and eventually reaching 0 by 6:00 PM, marking a safe return from the sun's harsh rays. It's a reminder of the importance of sun safety during those midday 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
09:004moderate30 min
10:006high25 min
11:008very high15 min
12:009very high15 min
13:009very high15 min
14:007high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Santana de Parnaiba

The UV Index experiences significant seasonal changes, peaking in the winter and late fall months, with extreme levels recorded from January through April and again in September to November. This means January, February, March, April, September, October, and November are considered high-risk months for sun exposure, with a burn time of only 10 minutes in these extreme conditions. In contrast, during the summer months of June and July, the UV levels drop to high, allowing for a slightly longer burn time of 25 minutes, while May and August remain at very high, with 15 minutes before potential damage occurs. Visitors and residents are advised to take precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during the peak months to minimize the risk of skin damage and ensure safe outdoor activities.

Monthly Maximum UV Index for Santana de Parnaiba, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santana de Parnaiba. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867911131516
Data source: Statistical UV Index data for Santana de Parnaiba, 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 Santana de Parnaiba UV Index with Other Brazil Cities

The table above highlights how UV exposure in Santana de Parnaiba 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.
Santana de Parnaiba's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Santana de Parnaiba16151311867911131516
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313