UV Index in Macapa, Brazil

Last updated: May 3, 2025

In Macapá, Brazil, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help prevent painful sunburns and reduce the long-term risk of skin damage, particularly in a region characterized by its tropical climate and high UV exposure. With UV Index levels soaring to 14 around midday, it's essential for residents and visitors alike to stay informed about sun safety practices. By keeping an eye on these levels, you can enjoy the sun while safeguarding your skin, ensuring that your time in this vibrant city remains both fun and safe.

Hourly UV Index in Macapa

The UV Index readings throughout the day reveal a striking pattern of intensity, peaking at 14 at 12:00 PM. The sun's rays strengthen quickly, with a gradual rise from 1 at 7:00 AM to a robust 9 by 10:00 AM. As the clock strikes 11:00 AM, the UV Index reaches 12, indicating heightened sun exposure risk and prompting sun safety measures. By the afternoon, the index remains significant, hitting 13 at 1:00 PM before tapering off. The UV levels then decline steadily, settling at 4 by 4:00 PM, and returning to a minimal 1 from 5:00 PM onward. As the day winds down, the UV Index drops to 0 by 7:00 PM, marking a safe end to sun exposure. Stay mindful of these UV fluctuations for your outdoor plans!

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Macapa

The UV Index demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.

Monthly Maximum UV Index for Macapa, Brazil

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

The table above highlights how UV exposure in Macapa 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.

Macapa'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
Macapa	14	15	16	16	14	12	11	13	13	13	13	13