UV Index in Julio de Castilhos, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Julio de Castilhos, Brazil, where sun exposure can significantly impact skin health. With a typical climate characterized by warm summers and mild winters, the UV levels can vary throughout the day, reaching a maximum of 5 around noon—a level that poses a risk for sunburn. By staying informed about these UV levels, you can effectively protect yourself from harmful effects, ensuring your outdoor activities remain enjoyable and safe. Prioritize your skin's health by being UV-aware—because prevention is always better than cure!

Hourly UV Index in Julio de Castilhos

The UV Index data reveals a dynamic daily cycle of sun exposure. Starting low at 07:00, with a reading of 0, the intensity gradually increases as the day progresses. By 10:00, it reaches a moderate level of 3, peaking at 12:00 and 13:00 with a high of 5. This is the perfect time for sunbathing or outdoor activities, but remember to apply sunscreen! The UV Index then begins to taper off, dropping to 4 by 14:00, and descending further to 1 by 16:00. As the day winds down, the levels fall back to 0 by 18:00 and remain there until 19:00. Stay informed and enjoy the sunshine safely!

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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Julio de Castilhos

Throughout the year, UV index levels display significant seasonal variation, with extreme exposure categories occurring from January to March and again in October to November. The high-risk months include January, February, March, October, and November, where the UV index reaches 14-15, indicating a burn time as short as 10 minutes. As the seasons progress, UV levels decrease in late spring and summer, peaking at a moderate index of 5 in June and July before rising again in September. To protect yourself, it is crucial to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, especially when you plan to be outdoors for an extended period.

Monthly Maximum UV Index for Julio de Castilhos, Brazil

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

The table above highlights how UV exposure in Julio de Castilhos 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.

Julio de Castilhos'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
Julio de Castilhos	15	14	12	10	6	5	5	7	10	13	14	15
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