UV Index in Sobral, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Sobral, Brazil is crucial for protecting your skin and promoting overall health. The UV Index offers a daily forecast of the sun's intensity, helping you gauge when you need to seek shade or apply sunscreen. Given that Sobral experiences a tropical climate, the risk of harmful UV exposure is heightened, especially during peak hours when the index reaches a maximum of 11 around noon. By staying informed about these UV levels, you can effectively prevent sunburn and reduce the long-term risk of skin issues, ensuring that your time spent in the sun is both enjoyable and safe.

Hourly UV Index in Sobral

The UV Index today starts off modestly at 1 by 07:00, but as the sun rises higher, it peaks dramatically at 11 between 11:00 and 12:00, indicating a period of high risk for harm from unprotected sun exposure. At 09:00, it reaches 6, prompting a bit more caution, while 10:00 brings a significant jump to 9. As the afternoon unfolds, the index begins to decline, dropping to 4 by 15:00 and tapering off to 1 by 17:00. After 18:00, the UV Index falls to 0, ensuring that later in the day, the risk of UV exposure diminishes completely. Stay protected 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	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 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 Sobral

The UV Index data reveals that from January to April, there is a consistently high risk of UV exposure, peaking at 15 in March and April. May shows a slight decline to 13, but the risk remains extreme throughout these months with a burn time of just 10 minutes. As we transition into summer, June and July maintain an index of 11, while August sees a slight rise to 12. The UV levels remain notably high into the fall, with September to November averaging 13. Visitors and residents should take precautions during these high-risk months, particularly from January through April and again in September to November, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage.

Monthly Maximum UV Index for Sobral, Brazil

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

The table above highlights how UV exposure in Sobral 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.

Sobral'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
Sobral	14	14	15	15	13	11	11	12	13	13	13	13