UV Index in Cantanhede, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Cantanhede, Brazil, especially as the region enjoys a warm, tropical climate characterized by intense sunlight. Awareness of UV levels not only helps in the prevention of painful sunburns but also plays a vital role in maintaining overall skin health and reducing the risk of long-term damage. During peak hours, particularly between 10:00 AM and 2:00 PM, UV Index readings soar, reaching a maximum of 13, indicating extreme exposure risk. By keeping an eye on these levels, you can take proactive steps to protect yourself against the harmful effects of UV radiation while enjoying the beautiful outdoors that Cantanhede has to offer.

Hourly UV Index in Cantanhede

The UV Index data reveals an intense sun exposure pattern throughout the day. Starting at 7:00 AM with a low of 1, the index climbs steadily, hitting 3 by 8:00 AM. As the sun rises, it reaches a striking 10 at 10:00 AM, peaking at a scorching 13 at noon. The intensity remains high with 12 at 1:00 PM before gradually tapering off from 8 at 2:00 PM to 5 by 3:00 PM. The afternoon sun begins to relent, falling to 2 at 4:00 PM, and finally dwindling to 1 by 5:00 PM and 0 by 6:00 PM, leaving the evening UV levels benign. Those outdoors should exercise caution during peak hours, particularly between 10 AM and 1 PM, when the sun is at its 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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	5	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 Cantanhede

The UV Index data reveals that January through April presents the highest risk for sun exposure, with UV Index values peaking at 16 in March. Throughout the year, the UV Index remains alarmingly high, categorized as extreme, with consistent maximum burn times of just 10 minutes. This necessitates that both residents and visitors take strict precautions, especially during the high-risk months of January to April, when sun exposure is most detrimental. To safeguard against harmful UV radiation, it is crucial to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak sun hours. Even in the latter months of the year, UV levels remain significant, underscoring the need for continued sun safety awareness.

Monthly Maximum UV Index for Cantanhede, Brazil

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

The table above highlights how UV exposure in Cantanhede 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.

Cantanhede'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
Cantanhede	15	14	16	15	13	11	11	13	13	13	13	13