UV Index in Pires do Rio, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Pires do Rio, Brazil, especially given its tropical climate characterized by intense sunshine and high UV exposure risks. Awareness of UV levels not only helps in preventing painful sunburns, but also plays a vital role in maintaining long-term skin health. With UV Index readings peaking at 9 during midday hours, it's essential for everyone to take protective measures to minimize harmful effects from the sun. Embrace the sunshine wisely in Pires do Rio by staying informed about UV levels!

Hourly UV Index in Pires do Rio

As the sun rises, the UV Index starts off low at a comfortable 1 from 7:00 AM to 8:00 AM. By 9:00 AM, it jumps to 3, signaling a gradual increase in sun exposure. The intensity peaks around 12:00 PM, reaching an impressive 9, making midday the most critical time for sun safety. As the afternoon unfolds, the index slowly declines; it drops to 7 by 2:00 PM, then further decreases to 4 at 3:00 PM. The later hours offer a gentle reprieve, with values falling to 1 by 5:00 PM and ultimately 0 by 6:00 PM. Remember, during those peak hours, it’s essential 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	9	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 Pires do Rio

The seasonal changes in UV exposure show that January to April consistently experiences an extreme UV Index, peaking at 16, with a notably short burn time of just 10 minutes. As we transition into May and June, the UV Index remains high, classified as very high at 10 and 8, allowing for slightly longer burn times of 15 minutes. However, the trend shifts back to extreme levels from August to October, where values hover around 11 to 15, reverting to a 10-minute burn time. Notably, February, March, April, July, August, September, October, and November are identified as high-risk months for skin damage. Visitors and residents are strongly advised to take precautions during these months by wearing protective clothing, applying high-SPF sunscreen, and seeking shade to mitigate the risk of harmful UV exposure.

Monthly Maximum UV Index for Pires do Rio, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Pires do Rio. 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 Pires do Rio, 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 Pires do Rio UV Index with Other Brazil Cities

The table above highlights how UV exposure in Pires do Rio 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.

Pires do Rio'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
Pires do Rio	16	16	14	13	10	8	9	11	12	15	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13