UV Index in Borba, Brazil

Last updated: June 2, 2025

In Borba, Brazil, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels can help you avoid sunburn and long-term skin damage, especially in a region characterized by a tropical climate that brings intense sunlight year-round. During peak hours, particularly from 10 AM to 2 PM, UV exposure can soar to levels as high as 12, indicating a severe risk for skin harm. By staying informed and taking appropriate precautions, you can enjoy Borba's beautiful sunny days while keeping your skin safe.

Hourly UV Index in Borba

At dawn, the UV Index starts off low at 1 at 07:00, but as the sun rises, so does the intensity of UV radiation. By 09:00, it reaches 5, climbing rapidly to a peak of 12 at 12:00. The midday sun is fierce, with the UV Index hitting its maximum of 11 at 11:00 and slightly dropping to 8 by 14:00. As the afternoon progresses, the index declines steadily, returning to a more moderate 5 at 15:00, then tapering off to 2 by 16:00. The day concludes with a safe 1 at 17:00 and fades to 0 from 18:00 onwards, indicating a reprieve from UV exposure. Remember to protect your skin during those peak 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	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	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 Borba

Throughout the year, UV Index levels remain extremely high, with values consistently above 10 from January to November. The months of January, February, March, and April are particularly critical, each peaking at an extreme UV Index of 16, indicating a burn time of just 10 minutes. While May through August see a slight decline, the Index remains dangerously elevated, ranging from 11 to 13. September and October maintain high levels at 12, and November returns to 14, reinforcing the need for vigilance. Residents and visitors are strongly advised to take protective measures year-round, including wearing sunscreen, protective clothing, and UV-blocking sunglasses to minimize the risk of skin damage and sunburn.

Monthly Maximum UV Index for Borba, Brazil

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

The table above highlights how UV exposure in Borba 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.

Borba'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
Borba	15	16	16	16	13	12	11	11	12	12	14	14