UV Index in Sobral, Brazil

Last updated: May 3, 2025

In Sobral, Brazil, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels empowers residents and visitors to take necessary precautions, ensuring sunburn prevention and long-term skin health are prioritized. Sobral's tropical climate exposes individuals to varying UV rays throughout the day, peaking with dangerously high levels around midday. With UV Index readings soaring to 13 between 11:00 AM and 12:00 PM, awareness of these risks is vital for enjoying the sun safely while minimizing potential harm.

Hourly UV Index in Sobral

The UV Index throughout the day reveals a striking pattern of intensity that peaks during the midday hours. It starts off at a gentle 2 at 07:00, gradually climbing to 4 by 08:00. The real surge occurs between 09:00 and 11:00, where it skyrockets to a high of 13, indicating a strong need for sun protection. As the afternoon progresses, the index begins to taper off, descending from 11 at 13:00 to 4 by 15:00, and finally dropping to a calm 0 by 19:00. To sum up, the day's UV exposure is intense yet fleeting, making the hours from 10:00 to 13:00 critical for sun safety!

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 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