UV Index in Alenquer, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Alenquer, Brazil is crucial for safeguarding your skin and overall health. Given the region’s tropical Am climate, residents and visitors alike face varying degrees of UV exposure throughout the day, particularly during peak hours when the index can soar to 13—indicating an extreme risk of harm from unprotected sun exposure. Awareness of these UV levels not only helps in preventing painful sunburns but also plays a vital role in reducing the long-term risk of skin damage and related health issues. By staying informed about the UV Index, you can enjoy the beautiful Alenquer sun while effectively protecting your skin.

Hourly UV Index in Alenquer

The UV Index today exhibits a remarkable ascent, peaking at a staggering 13 between noon and 1 PM. Starting from a mild 1 at 7 AM, the intensity quickly escalates, registering 2 by 8 AM, and reaching 4 by 9 AM. As the sun climbs higher, the index surges to a robust 8 at 10 AM and spikes to its maximum at 11 AM. After this zenith, the UV Index begins to gracefully decline, dropping back to 11 at 2 PM, then tapering to 4 by 4 PM, and finally waning to a gentle 1 at 6 PM. As evening approaches, the UV Index slips below 1 at 7 PM. Make sure to protect your skin between 11 AM and 2 PM when the sun's 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	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Alenquer

The UV Index in this region shows extreme exposure levels year-round, with values peaking at 16 during March and April. High-risk months for sun exposure are January through April, when the UV Index remains between 15 and 16, indicating a consistent burn time of just 10 minutes. While the UV Index slightly decreases from May to July, it stays at 11 to 13 for the rest of the year, maintaining a high risk of sunburn. To ensure safety, both residents and visitors should prioritize sun protection, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during peak UV hours.

Monthly Maximum UV Index for Alenquer, Brazil

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

The table above highlights how UV exposure in Alenquer 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.

Alenquer'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
Alenquer	15	15	16	16	13	12	11	12	12	13	13	13