UV Index in Luz, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Luz, Brazil is crucial for protecting your skin and overall health. With a tropical climate that often exposes residents and visitors to elevated UV levels, being aware of these fluctuations can help safeguard against sunburn and long-term skin damage. During peak hours, particularly around noon when the UV Index reaches a significant 9, it's essential to take precautionary measures. By monitoring the UV index daily, you can enjoy the beautiful Brazilian sun while prioritizing your health and well-being. Stay informed and take the right steps to protect your skin to make the most of Luz's sunny days!

Hourly UV Index in Luz

The UV Index today tells a compelling story of sun exposure throughout the day. Starting low at 1 by 07:00, it gradually climbs to a moderate 3 by 09:00. As the day progresses, the intensity peaks impressively at 9 around 12:00, signaling that the sun is at its most powerful. The afternoon remains vibrant but begins to taper off as we see a drop to 4 by 15:00. Post-sunset, the UV Index plummets to 0 between 18:00 and 19:00, indicating a retreat from harmful rays. It’s a day where staying sun-smart is crucial during the midday 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	3	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	8	very high	15 min
14:00	6	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 Luz

Throughout the year, UV index levels experience significant seasonal fluctuations, presenting various risks for skin exposure. The highest-risk months are from January to March and August to November, with an extreme exposure category recorded (UV Index 16 to 14) and a very short burn time of 10 minutes during this period. Although the UV index decreases to a high level in June, with a burn time of 25 minutes, it escalates again in July and August and remains elevated into the fall. Residents and visitors should take precautions during the peak months by wearing protective clothing, using sunscreen, and seeking shade when UV levels are high, to mitigate the risks of overexposure and skin damage.

Monthly Maximum UV Index for Luz, Brazil

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

The table above highlights how UV exposure in Luz 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.

Luz'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
Luz	16	16	14	12	9	7	9	11	13	14	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13