UV Index in Valenca do Piaui, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Valença do Piauí is essential for safeguarding your skin and overall health. With its tropical climate, this vibrant city experiences high UV levels, especially during the midday hours when exposure can lead to sunburns and long-term skin damage. Recognizing the fluctuations in UV intensity—from a manageable level in the early morning to a peak of 11 around noon—allows residents and visitors alike to make informed choices about sun protection. Stay vigilant and protect yourself from the sun's harmful rays while enjoying all that Valença do Piauí has to offer!

Hourly UV Index in Valenca do Piaui

The UV Index today starts off modestly at 1 by 07:00, but as the sun rises higher, it peaks dramatically at 11 between 11:00 and 12:00, indicating a period of high risk for harm from unprotected sun exposure. At 09:00, it reaches 6, prompting a bit more caution, while 10:00 brings a significant jump to 9. As the afternoon unfolds, the index begins to decline, dropping to 4 by 15:00 and tapering off to 1 by 17:00. After 18:00, the UV Index falls to 0, ensuring that later in the day, the risk of UV exposure diminishes completely. Stay protected during those 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	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 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