UV Index in Brejo, Brazil

Last updated: July 2, 2025

In Brejo, Brazil, awareness of the UV Index is vital for maintaining healthy skin and preventing sunburn, especially as the region experiences the warm, tropical climate characteristic of the Aw climate zone. Understanding the daily variations in UV levels—from a moderate index of 3 in the morning to a peak value of 11 around noon—helps residents and visitors protect themselves against harmful ultraviolet rays that can lead to skin damage. Stay informed about UV exposure risks to enjoy the sun safely while keeping your skin health in check!

Hourly UV Index in Brejo

The UV Index throughout the day paints a vivid picture of solar intensity, peaking sharply in the late morning. At 07:00, the UV Index starts off modestly at 1, but by 08:00, it climbs to 3, indicating a gradual increase in sunlight. As the day progresses, it reaches 5 at 09:00 and then escalates dramatically to 8 by 10:00. The sun's strength hits its zenith at 11:00 with a striking 10, peaking even further at 12:00, where it soars to 11—an optimal time for sun protection. After this high, the UV Index begins to wane, falling back to 10 at 13:00, before declining steadily to 4 at 15:00, 2 at 16:00, and eventually drifting down to 1 by 17:00. As dusk approaches, the UV Index drops to 0 by 18:00, signaling a safe end to sun exposure for the day. Such daily fluctuations highlight the importance of being mindful of UV levels, especially during midday hours.

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	7	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 Brejo

Throughout the year, the UV Index remains extremely high, with values mostly hovering between 11 and 16. Notably, the highest UV Index occurs from March to May, peaking in March at 16. This indicates that the months of January through April are particularly high-risk, as the burn time is merely 10 minutes across all months. Even in the summer months of June and July, the UV Index remains at 11. Visitors and residents should take significant precautions during these months by using broad-spectrum sunscreen, wearing protective clothing, and seeking shade whenever possible. Regularly monitoring local UV updates is strongly advised to ensure safety while enjoying outdoor activities.

Monthly Maximum UV Index for Brejo, Brazil

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

The table above highlights how UV exposure in Brejo 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.

Brejo'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
Brejo	15	14	16	15	13	11	11	13	13	12	13	13