UV Index in Alvaraes, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Alvaraes, Brazil, where the tropical climate brings significant sun exposure throughout the year. By being aware of UV levels, you can effectively prevent sunburn and protect your skin health, ensuring that outdoor activities remain enjoyable and safe. With peak UV ratings soaring to 12 around midday, it's essential to take precautions during the hottest hours, especially given Alvaraes' typically high UV exposure risks. Stay informed and be proactive in safeguarding your skin against harmful rays!

Hourly UV Index in Alvaraes

The UV Index tomorrow will experience a sharp ascent, beginning with a modest 1 at 07:00. As the sun rises higher, expect a steady increase, peaking at an intense 12 by noon. This midday high presents a strong risk of harm from unprotected sun exposure, with careful precautions recommended. The afternoon sees the index gradually descend, dropping to 6 by 15:00 and down to 1 by 17:00, signaling a cooling off as the day winds down. As evening approaches, the UV levels dip to 0 after sunset, making for a safe time to enjoy the outdoors without worry. Remember to protect your skin during peak hours, especially between 10:00 and 14:00!

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Alvaraes

Throughout the year, the UV Index in this region remains notably high, particularly during the first half of the year. January through April showcases an extremely high UV Index, peaking at 16, signaling the highest risk months for UV exposure. February and March maintain this level, emphasizing the need for vigilance. Even as summer progresses, the UV Index ranges from 11 to 13 from July through November, indicating a constant risk of sunburn within just 10 minutes of exposure. As such, it is crucial for both visitors and residents to take protective measures year-round, including wearing sunscreen, seeking shade, and wearing protective clothing, especially from January to April when the risk is at its most extreme.

Monthly Maximum UV Index for Alvaraes, Brazil

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

The table above highlights how UV exposure in Alvaraes 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.

Alvaraes'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
Alvaraes	14	15	16	16	13	12	11	12	13	14	13	13