UV Index in Guaratinga, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Guaratinga, Brazil is crucial for maintaining skin health and preventing sunburns. With a tropical climate that often sees high UV levels, awareness of daily fluctuations can help residents and visitors protect themselves from harmful sun exposure. Between 10:00 AM and 2:00 PM, the UV Index can soar to 9, indicating a very high risk of harm, making sun safety practices essential. By staying informed about UV levels, you can enjoy the beautiful outdoors of Guaratinga while safeguarding your skin against potential damage.

Hourly UV Index in Guaratinga

The UV Index for today showcases a striking peak between 11:00 AM and 12:00 PM, where it reaches a high of 9, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index begins to taper off, transitioning to a 5 at 2:00 PM and then dropping further to 3 by 3:00 PM. The late afternoon brings a noticeable decline, finishing off with 1 at 4:00 PM and fading to 0 after 6:00 PM. If you're planning outdoor activities, the optimal time to soak up the sun safely is definitely before noon! Don’t forget your sunscreen 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	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	5	moderate	30 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 Guaratinga

Throughout the year, the UV Index in this region fluctuates significantly, indicating varying levels of sun exposure risk. The high-risk months are notable from January to April and then again in August to November, when the UV Index remains at extreme levels (15-14) for most of this period, necessitating caution due to a very short burn time of just 10 minutes. Conversely, from May to July, the index drops slightly to a very high level (10-8), allowing for a burn time of 15 minutes. Visitors and residents should ensure to take precautions during these months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Guaratinga, Brazil

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

The table above highlights how UV exposure in Guaratinga 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.

Guaratinga'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
Guaratinga	15	15	14	13	10	8	9	11	12	14	15	15
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13