UV Index in Sideropolis, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Sideropolis, Brazil, as it plays a vital role in sunburn prevention and overall skin health. With its Cfa climate, Sideropolis experiences significant sunlight exposure, especially during peak hours between 10:00 AM and 2:00 PM, when UV levels can reach a maximum of 6. By staying informed about daily UV fluctuations, you can take the necessary precautions to protect your skin from harmful rays, ensuring a healthier and more enjoyable outdoor experience.

Hourly UV Index in Sideropolis

The UV Index for the day shows a notable increase in solar intensity as the morning unfolds. Starting at a mild 1 between 07:00 and 09:00, the index rises sharply, peaking at 6 from 11:00 to 13:00. This is a clear indication that midday sun demands caution, with later hours dropping to 5 at 14:00 and gradually decreasing toward evening. By 18:00 and 19:00, the UV Index dips to 0, signaling a safe time to be outdoors without sun protection. Overall, this day encourages sun safety practices during those peak hours when the UV rays are most potent.

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	6	high	25 min
12:00	6	high	25 min
13:00	6	high	25 min
14:00	5	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 Sideropolis

Throughout the year, the UV Index fluctuates significantly, with January and February leading as the months with the highest risk, both rated at an extreme index of 15 and a quick burn time of just 10 minutes. March slightly decreases to a UV index of 12, still categorized as extreme, continuing the trend of high risk. As the seasons change to April, the UV index drops to 10 but remains in the very high zone with a burn time of 15 minutes. May sees a further decline with a high index of 7, which increases slightly in August but returns to very high in September. Visitors and residents should exercise caution particularly from January to March and again in October and November, where the UV index returns to extreme levels. Always use sunscreen, wear protective clothing, and limit exposure during peak hours to safeguard against skin damage.

Monthly Maximum UV Index for Sideropolis, Brazil

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

The table above highlights how UV exposure in Sideropolis 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.

Sideropolis'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
Sideropolis	15	14	12	10	7	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