UV Index in Amarante do Maranhao, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Amarante do Maranhão, Brazil, where the warm Aw climate can lead to heightened sun exposure. With UV levels peaking at 13 around midday, awareness of these values is key to preventing sunburn and maintaining healthy skin. As the sun's intensity varies throughout the day, knowing when to seek shade and apply sunscreen can make a significant difference in protecting yourself from harmful rays. Whether you're enjoying the outdoors or simply taking a stroll, being informed about the UV Index helps ensure that your time in the sun is safe and enjoyable.

Hourly UV Index in Amarante do Maranhao

The UV Index for the day reveals a striking pattern of sun intensity. Starting from a low of 1 at 07:00, it gradually rises to a peak of 13 by 12:00, marking the sun’s most potent hours. From 10:00 to 13:00, it climbs above 9, suggesting a need for sun safety measures like sunscreen and protective clothing. As the afternoon progresses, the index declines, dipping back to a 5 at 15:00 and tapering to 0 after 18:00, indicating a safe evening. It’s a day that invites early sunlight enjoyment but demands caution during 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	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 Amarante do Maranhao

Throughout the year, UV Index readings remain notably high, with extreme levels recorded from January to April, consistently at 15, and only slightly decreasing in May and June, where it reaches 13 and 11, respectively. The summer months of July and August maintain high levels at 11 and 12, before increasing again in September and October. Notably, November and December also show high UV values of 14. This data indicates that the highest risk months for UV exposure are from January to April, where the UV Index remains at its peak. Therefore, it is crucial for visitors and residents alike to take precautions, such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade during peak sun hours, to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Amarante do Maranhao, Brazil

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

The table above highlights how UV exposure in Amarante do Maranhao 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.

Amarante do Maranhao'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
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Amarante do Maranhao	15	15	15	15	13	11	11	12	13	13	14	14