UV Index in Alvorada, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Alvorada, Brazil, is crucial for maintaining skin health in this vibrant city. With the intensity of ultraviolet rays peaking between 11:00 AM and 1:00 PM, an awareness of UV levels helps residents and visitors alike prevent sunburn and reduce long-term skin damage. Alvorada's tropical climate exposes its inhabitants to significant UV radiation risks, especially during the warmer months when the index can soar to 9. By staying informed about the daily UV Index, you can enjoy the sun safely while protecting your skin from harmful effects.

Hourly UV Index in Alvorada

Throughout the day, the UV Index displays a dynamic pattern of intensity, peaking at 12:00 PM with a value of 9, indicating a high risk of harm from unprotected sun exposure. Early in the morning, from 07:00 to 09:00, the index remains low, starting at 1 and rising to 4. As the sun climbs higher, the intensity escalates rapidly; by 10:00 AM, it reaches 6, before hitting its crescendo at 11:00 AM with an 8. The afternoon holds steady, with a slight decline to 7 by 02:00 PM, then tapering off as the sun begins its descent. By 16:00 PM, the index drops to 2, and by the evening, it falls to 0 after 18:00 PM. This data highlights the importance of sun protection during peak hours, particularly between 11:00 AM and 02:00 PM. Stay safe and enjoy the sunshine wisely!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	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 Alvorada

Throughout the year, UV levels exhibit significant seasonal changes, with extreme UV Index values dominating from January to April (UV Index 16 to 13), and again from August to November (UV Index 12 to 15). These months, particularly January to April and August, pose the highest risk, with a burn time of just 10 minutes. In contrast, June and July see a slight dip to a very high exposure category but still require caution, allowing a burn time of 15 minutes. Visitors and residents are advised to take proactive sun protection measures during these high-risk months—wearing sunscreen, protective clothing, and seeking shade whenever possible to mitigate harmful UV exposure.

Monthly Maximum UV Index for Alvorada, Brazil

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

The table above highlights how UV exposure in Alvorada 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.

Alvorada'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
Alvorada	16	15	14	13	11	9	10	12	13	15	15	15