UV Index in Serra, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Serra, Brazil is essential for protecting your skin and overall health. With the region's warm Aw climate and consistent sunlight, recognizing and monitoring UV levels helps prevent sunburn and long-term skin damage. During peak hours, especially between 11:00 AM and 1:00 PM, Serra experiences high UV exposure, reaching levels of 7, which can pose significant risks. Stay informed and take necessary precautions to enjoy the beautiful sun safely!

Hourly UV Index in Serra

The UV Index throughout the day offers a clear picture of sun intensity and safety. Starting off at a gentle 1 at 7:00 AM, it gradually rises, reaching a moderate 4 by 9:00 AM. The sun's rays peak sharply at 11:00 AM and 12:00 PM with a maximum intensity of 7, indicating a heightened risk for unprotected skin. As the afternoon unfolds, the index dips to 6 at 1:00 PM, before sliding down to 4 at 2:00 PM. By late afternoon, the UV levels decrease significantly, dropping to 2 by 3:00 PM and further to 1 by 4:00 PM, fading to 0 by 6:00 PM. It's clear: the sun demands respect during peak hours, while evening offers a safe retreat from harmful rays.

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	2	low	45 min
09:00	4	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Serra

The UV Index exhibits significant seasonal variations, with extreme levels prevalent from January through April and again in September through November, where the index consistently reaches values between 13-15, indicating a burn time of just 10 minutes. The months of May through August experience a slight decrease, though they still present very high levels of UV exposure, particularly in May and July. Notably, April and September are key transition months that also require caution due to their extreme UV ratings. Visitors and residents are strongly advised to take protective measures, especially during high-risk months of January, February, March, April, September, October, November, and December, by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to minimize skin damage.

Monthly Maximum UV Index for Serra, Brazil

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

The table above highlights how UV exposure in Serra 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.

Serra'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
Serra	15	14	13	11	8	7	8	10	12	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