UV Index in Alvaraes, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Alvaraes, Brazil. With its Af climate, this tropical locale experiences a considerable amount of sunlight, leading to high UV levels—particularly between 10 AM and 2 PM, when the index peaks at a striking 13. Being aware of these UV ratings can significantly aid in sunburn prevention and contribute to long-term skin health by allowing you to take necessary precautions. Whether you're enjoying the beautiful outdoors or simply going about your daily routine, knowing the UV index can help you protect your skin from potential damage caused by excessive sun exposure.

Hourly UV Index in Alvaraes

Under the sun's watchful gaze, the UV Index rises sharply throughout the morning, starting at a modest 1 at 07:00 before climbing to a substantial 9 by 10:00. The peak intensity hits at 12:00, reaching an impressive 13—a clear reminder to protect the skin during midday hours. As the afternoon progresses, the index begins to taper off, descending to 10 by 14:00, then falling to 6 at 15:00. After that, a gentle decline leads us back to 1 by 17:00 and 0 by 19:00, as the sun sets and the day winds down. Stay vigilant, as these numbers highlight the importance of sunscreen and shade when the sun is at its strongest!

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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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