UV Index in Atalaia, Brazil

Last updated: July 2, 2025

In Atalaia, Brazil, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the UV levels can empower residents and visitors alike to protect themselves from harmful radiation, especially during the peak hours when the index soars to a maximum of 10 around midday. With Atalaia's warm climate, which often brings intense sunlight, being aware of these UV levels can significantly reduce the risk of skin damage. Remember, a little awareness today can lead to healthier skin tomorrow!

Hourly UV Index in Atalaia

As the sun rises, the UV Index begins to climb, starting at a gentle 1 at 07:00. By 08:00, it escalates to a moderate 3, but the real intensity hits by 10:00, peaking at a striking 10 from 11:00 to 12:00—a clear signal for sun safety awareness. As the afternoon progresses, the index gradually declines, dipping to 8 at 13:00 and then swiftly dropping to 5 by 14:00. The evening brings relief, with levels decreasing to 3 at 15:00, and falling to 1 by 16:00. As the day fades away, the UV risk diminishes further, reaching 0 by 19:00. Remember to protect your skin 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 min
12:00	10	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 Atalaia

The UV Index varies significantly throughout the year, with the highest levels occurring from November to March, where it consistently reaches 14 in an extreme exposure category, necessitating a burn time of just 10 minutes. Following this peak, the index slightly dips to 12 in May and August, and then to 10 in June and July, indicating a very high risk level but allowing for slightly longer exposure without burns (up to 15 minutes). In the months of September and October, the index remains elevated at 13. Given these figures, both residents and visitors should be particularly cautious during the high-risk months of November to March, utilizing adequate sun protection measures, such as wearing sunscreen, hats, and protective clothing, to mitigate harmful UV exposure throughout the year.

Monthly Maximum UV Index for Atalaia, Brazil

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

The table above highlights how UV exposure in Atalaia 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.

Atalaia'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
Atalaia	14	14	14	14	12	10	10	12	13	13	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13