UV Index in Sao Goncalo do Amarante, Brazil

Last updated: July 2, 2025

In Sao Goncalo do Amarante, Brazil, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps prevent sunburn and reduces the long-term risks associated with unprotected sun exposure, making it essential for residents and visitors alike. The region's tropical climate often brings intense sunlight, with UV peaks reaching a concerning level of 11 around midday. By knowing and monitoring the UV Index, you can take proactive measures to enjoy the sun safely while safeguarding your skin against its damaging effects.

Hourly UV Index in Sao Goncalo do Amarante

The UV Index (UVI) throughout the day reveals a dynamic pattern of sun exposure. Beginning at 07:00, the index starts modestly at 1, but by 08:00, it gains momentum, reaching 3. The real intensity kicks in around 09:00, with a notable 6, peaking at 11:00 and 12:00 with a maximum UV index of 11, signaling the most hazardous hours for sun exposure. As the afternoon progresses to 13:00, the index begins to decline, dropping back to 9 at this hour. By 14:00, it eases further to 7 and continues its descent, settling at 4 by 15:00. As the day winds down, the readings fall to 2 by 16:00, tapering to a gentle 1 at 17:00, and finally retreating to 0 by 18:00 and 19:00. This journey through the UV Index highlights the importance of sun protection, particularly during those peak hours when it reaches its zenith.

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	7	high	25 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 Sao Goncalo do Amarante

Throughout the year, the UV Index remains consistently high, with extreme exposure levels particularly prominent from January to April, where values peak at 14 to 15. March marks the highest index at 15, indicating significant risk for skin damage from prolonged sun exposure, which has a burn time of only 10 minutes. Although the index slightly decreases during the summer months of June and July (hovering around 11-12), the risk remains considerable. Visitors and residents are strongly advised to take protective measures—such as wearing sunscreen, hats, and sunglasses—especially during these high-risk months to prevent sunburn and long-term skin damage. Consistent protection is necessary year-round, as even in November and December, the UV Index remains at 13.

Monthly Maximum UV Index for Sao Goncalo do Amarante, Brazil

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

The table above highlights how UV exposure in Sao Goncalo do Amarante 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.

Sao Goncalo do Amarante'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
Sao Goncalo do Amarante	14	14	15	14	13	11	11	12	13	13	13	13
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13