UV Index in Serrinha, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Serrinha, Brazil, where the warm, tropical climate brings about high levels of ultraviolet radiation, especially during midday. The UV Index serves as a real-time indicator of sun exposure, helping individuals gauge when to take precautions against sunburn and long-term skin damage. With peak UV levels reaching an intense level of 11 around noon, it's essential to prioritize skin health by seeking shade, wearing protective clothing, and applying sunscreen. Awareness of the UV Index empowers Serrinha's residents to enjoy the outdoors safely while minimizing the risks associated with sun exposure.

Hourly UV Index in Serrinha

As the sun rises, the UV Index climbs steadily, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it reaches 3, marking the beginning of increased sun exposure. The day continues to heat up, with the index peaking at a remarkable 11 from 11:00 AM to 12:00 PM, indicating a high risk for harm from unprotected sun exposure. As the afternoon sets in, it gradually declines, dropping to 6 by 2:00 PM and subsequently to 3 by 3:00 PM. As the sun begins to descend, the index returns to a safer 1 by 4:00 PM and tapers off to 0 after 6:00 PM. This hourly trend underscores the importance of sun protection during the midday hours when the UV exposure is at its highest.

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	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	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 Serrinha

The UV Index exhibits notably elevated levels throughout most of the year, with extreme exposure categories from January to April and again in August, October, November, and December. The high-risk months are January through April, where the UV Index remains consistently at 14, indicating a burn time of just 10 minutes for unprotected skin. In June and July, the index dips slightly to 10, categorized as very high, allowing for a longer burn time of 15 minutes. As such, visitors and residents should take precautionary measures year-round, particularly during high UV months, by wearing sunscreen, protective clothing, and seeking shade to minimize skin damage.

Monthly Maximum UV Index for Serrinha, Brazil

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

The table above highlights how UV exposure in Serrinha 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.

Serrinha'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
Serrinha	14	14	14	13	11	10	10	12	13	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13