UV Index in Jaciara, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Jaciara, Brazil, where the typical Aw climate brings a vibrant mix of sun and warmth. As UV levels can reach a peak of 9 during midday hours, being aware of these fluctuations is essential for effective sunburn prevention and maintaining skin health. With daily exposure risks heightened, especially during the hottest parts of the day, recognizing when to seek shade or apply sunscreen can make a significant difference in protecting your skin from harmful UV radiation. Stay informed and enjoy the sun safely in this beautiful region!

Hourly UV Index in Jaciara

The UV Index shows an engaging fluctuation throughout the day, starting from a modest 1 at 7:00 AM, perfect for early risers who enjoy a gentle sun. As the hours progress, the index climbs steadily, reaching its peak at 11:00 AM and 12:00 PM with a striking 9, indicating intense exposure risk. Sun-seekers should take extra precautions during these hours. The intensity begins to wane by 3:00 PM, dropping to 3, and settles back down to 1 by 4:00 PM through 5:00 PM, eventually fading to 0 by 6:00 PM. This data underscores the importance of sun safety, especially during the midday hours when the sun is at its fiercest.

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	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 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 Jaciara

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 Jaciara, Brazil

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

The table above highlights how UV exposure in Jaciara 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.

Jaciara'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
Jaciara	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