UV Index in Valenca do Piaui, Brazil

Last updated: May 3, 2025

In Valença do Piauí, Brazil, awareness of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels helps residents and visitors alike take proactive steps to prevent sunburn and maintain long-term skin health. With a warm climate typical of the Aw zone, the region experiences significant UV exposure, especially during peak hours where the index can soar to 12. Being informed about these levels not only safeguards your skin but also enhances your outdoor enjoyment, ensuring that sunny days remain fun and safe.

Hourly UV Index in Valenca do Piaui

At dawn, the UV Index begins gently, peaking at 1 by 7:00 AM, before climbing steadily through the morning. By 10:00 AM, it hits 10, signaling a period of intense sun exposure. The highest levels occur around 11:00 AM and 12:00 PM, both reaching 12, which suggests it’s crucial to protect your skin during these hours. As the afternoon unfolds, the index starts to decline, falling to 7 by 2:00 PM and then tapering off to 4 at 3:00 PM. By evening, as shadows lengthen, the UV Index drops to 1 by 5:00 PM, and finally hits 0 after 6:00 PM, marking a complete retreat of UV intensity. Plan your day wisely to stay safe in the sun!

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	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	7	high	25 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 Valenca do Piaui

The UV Index remains consistently high throughout the year, with extreme exposure levels recorded from January to December, peaking in March and April at a UV Index of 15. Notably, the high-risk months for UV exposure are from January to November, where the Index consistently reaches levels that require caution. Visitors and residents are advised to take proactive steps to protect themselves from UV radiation by wearing sunscreen, protective clothing, and sunglasses, especially during the peak hours of sun exposure. With a burn time of just 10 minutes across all months, it is crucial to stay vigilant and minimize exposure to prevent skin damage.

Monthly Maximum UV Index for Valenca do Piaui, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Valenca 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 Valenca 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 Valenca do Piaui UV Index with Other Brazil Cities

The table above highlights how UV exposure in Valenca 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.

Valenca 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
Valenca do Piaui	14	14	15	15	12	11	11	12	13	13	14	14