UV Index in Pirai do Sul, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Pirai do Sul, Brazil is crucial for safeguarding your skin against harmful ultraviolet radiation. With the region's Cfb climate, sunny days can lead to varying UV levels, particularly peaking around midday when the index reaches 6, indicating a high risk of sunburn. Awareness of these UV levels empowers residents and visitors to take proactive measures for sunburn prevention and long-term skin health. By staying informed, you can enjoy the beautiful outdoors while minimizing the risks associated with excessive sun exposure.

Hourly UV Index in Pirai do Sul

Throughout the day, the UV Index escalates to its peak between 12:00 PM and 1:00 PM, reaching a high of 6—a clear indicator to stay protected from the sun's rays. Early morning hours see a gentle start, with a maximum 1 at 7:00 AM and 8:00 AM, gradually rising to 2 by 9:00 AM. As the sun climbs, so does the intensity, spiking to 5 at 11:00 AM and maintaining a steady 6 for the peak hours. Following this brief burst of intensity, the UV Index dwindles swiftly, dropping to 4 by 2:00 PM, then further decreasing to 3 at 3:00 PM, and tapering off to 1 by 4:00 PM. Finally, as daylight fades, the index plummets to 0 by 6:00 PM, marking the end of a vibrant, sunlit day. Remember to stay safe and protect your skin, especially during 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	3	moderate	30 min
16:00	1	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 Pirai do Sul

Throughout the year, UV index levels fluctuate significantly, with extreme exposure categories dominating from January to April and again in September to November. The months of January, February, March, April, September, October, and November each exhibit a UV index of 13 or higher, marking them as high-risk months where sunburn can occur in 10 minutes or less. From May to August, the UV index decreases slightly, reaching its lowest point of 6 in June and July, though these months still warrant caution, especially in May and August with very high levels, indicating a 15-minute burn time. It is crucial for both visitors and residents to take protective measures, such as wearing sunscreen and protective clothing, particularly during the spring and fall months, to minimize the risk of skin damage.

Monthly Maximum UV Index for Pirai do Sul, Brazil

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

The table above highlights how UV exposure in Pirai do Sul 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.

Pirai do Sul'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
Pirai do Sul	16	16	13	11	8	6	7	9	12	14	15	16
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