UV Index in Iguai, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Iguai, Brazil is crucial for protecting your skin and maintaining overall health. As this charming town experiences a tropical climate, residents and visitors alike must be aware of the potentially harmful ultraviolet radiation levels, particularly during peak hours. With UV Index readings peaking at 10 around midday, knowing when to seek shade or apply sunscreen can be vital in preventing painful sunburns and long-term skin damage. Stay informed about these levels to enjoy the sun safely while exploring the vibrant beauty of Iguai.

Hourly UV Index in Iguai

The UV Index throughout the day shows a dynamic pattern of sun exposure. Starting at a low of 1 at 07:00, it gently rises to 2 by 08:00. As the morning progresses, the intensity increases more noticeably, peaking at a striking 10 at 12:00, marking the highest level of sun strength. From there, the index begins its descent, falling to 8 at 13:00 and tapering off to 6 by 14:00. The afternoon witnesses a further decline, with values dropping to 3 at 15:00 and easing to 1 by 17:00. As the sun sets, the index finally drops to 0 at 18:00 and remains insignificant through the evening hours. This data highlights the importance of protecting your skin during peak hours, especially from 10:00 to 14:00, 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	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	10	very high	15 min
13:00	8	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 Iguai

The UV Index exhibits seasonal variations with extreme levels dominating from January to April, where the index remains between 14 and 15 and the burn time is just 10 minutes, indicating a high risk of harm from sun exposure. May through July sees a slight decrease, with a very high rating of 9 to 10 and a burn time extending to 15 minutes. However, the risk spikes again in August, returning to an extreme category of 12, and remains high through October. November and December also present extreme conditions with a UV Index of 15 and a short burn time of 10 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade when outdoors, especially during peak sun hours.

Monthly Maximum UV Index for Iguai, Brazil

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

The table above highlights how UV exposure in Iguai 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.

Iguai'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
Iguai	15	15	14	13	10	9	9	12	13	14	15	15
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13