UV Index in Sao Pedro do Piaui, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Sao Pedro do Piaui, Brazil, as it plays a vital role in protecting skin health and preventing sunburn. With a tropical climate characterized by high UV exposure, particularly during midday hours, being aware of UV levels can help you make informed decisions about sun safety. On days when the UV Index peaks at a scorching 13, the risk for skin damage escalates significantly, compelling you to seek shade or cover up. By tracking the UV Index, you can enjoy the beautiful sunlit days of Sao Pedro do Piaui while keeping your skin safe and healthy.

Hourly UV Index in Sao Pedro do Piaui

The UV Index throughout the day showcases a dramatic rise and fall, peaking at 12 around 12:00 PM. The morning starts gently, with a maximum of 3 at 08:00 AM, but by 10:00 AM, it escalates to 10, indicating a significant increase in sun intensity. This reaches its zenith at 12:00 PM, where a UV Index of 13 emphasizes the need for sun protection. The intensity begins to taper off after this peak, dropping to 4 by 15:00 PM and further declining to 1 by 17:00 PM. As the evening approaches, the UV Index effectively returns to 0 after 18:00 PM, signaling the end of sun exposure risk for the day. Be mindful of these fluctuations and prioritize sun safety during 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sao Pedro do Piaui

The UV Index remains extremely high throughout the year, with consistent readings around 14-15 from January to April, and slightly decreasing to 11-13 during the summer and fall months. The high-risk months for UV exposure are from January to April, where the burn time is as little as 10 minutes. Visitors and residents are strongly advised to take precautions, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours, especially in these critical months. Remain vigilant and prioritize skin protection year-round to minimize potential harm from the sun’s rays.

Monthly Maximum UV Index for Sao Pedro do Piaui, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sao Pedro do Piaui. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Sao Pedro do Piaui, 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 Sao Pedro do Piaui UV Index with Other Brazil Cities

The table above highlights how UV exposure in Sao Pedro do Piaui 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.

Sao Pedro do Piaui's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Sao Pedro do Piaui	15	14	15	15	13	11	11	12	13	13	14	14