UV Index in Extrema, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Extrema, Brazil, is crucial for maintaining skin health and preventing sunburn in this vibrant region. With a tropical climate that often sees high UV levels, particularly during midday, awareness of local UV exposure is essential for anyone enjoying the great outdoors. The UV Index can soar as high as 10 around noon, making it imperative for residents and visitors alike to take protective measures against harmful rays. By staying informed about UV levels, you can enjoy the beautiful environment of Extrema while safeguarding your skin for the long term.

Hourly UV Index in Extrema

The UV Index for today presents a clear pattern of sun intensity, peaking sharply in the early afternoon. Starting off with a low index of 1 at 7 AM and remaining consistent at the same level until 9 AM, the sun's rays gradually intensify. By 10 AM, the index rises to 6, reaching a notable 8 at 11 AM, and soaring to a maximum of 10 between 12 PM and 1 PM—the critical hours for sun exposure. As the day progresses, the intensity begins to decline, dropping back to 8 by 2 PM, then tapering down to 5 by 3 PM. The late afternoon and evening bring a return to safer levels, with the index falling to 1 at 5 PM and fading to 0 by 7 PM. For those planning outdoor activities, it's essential to stay protected during the peak 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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Extrema

The UV Index exhibits significant seasonal variations, with extreme levels dominating from January to April and in August, September, and November. The highest measurement occurs in March, reaching 16, where the burn time is limited to just 10 minutes. May sees a slight decrease to an index of 12, while June and July hit a very high index of 10, allowing for an extended burn time of 15 minutes. As the year wraps up, October and December maintain a robust index of 14. Given this data, visitors and residents are strongly advised to take precautions against sun exposure during the high-risk months of January to April and August to November, limiting outdoor activities during peak sunlight hours and using ample sun protection measures.

Monthly Maximum UV Index for Extrema, Brazil

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

The table above highlights how UV exposure in Extrema 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.

Extrema'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
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Extrema	15	15	16	15	12	10	10	11	11	14	16	14