UV Index in Arinos, Brazil

Last updated: June 2, 2025

In Arinos, Brazil, staying aware of the UV Index is crucial for maintaining your skin health and preventing sunburn. Understanding the daily UV levels helps residents and visitors alike make informed decisions about sun protection, particularly during those peak hours when the risk is highest. With its warm climate typical of the Aw zone, Arinos experiences significant UV exposure, peaking at a concerning UV Index of 9 around noon. By monitoring these levels, you can enjoy the sun safely while safeguarding your skin from potential damage.

Hourly UV Index in Arinos

As the sun rises, the UV Index begins to climb steadily, hitting a low of 1 at 7:00 AM. By 8:00 AM, it nudges up to 2, signaling the start of a brighter day. The index peaks at 9 at 12:00 PM, marking the sun’s most intense rays and urging everyone outside to take precautions. As the afternoon unfolds, the index gradually declines—dropping to 8 by 1:00 PM, then easing to 3 by 3:00 PM, before plummeting to 0 after 6:00 PM. This data highlights the crucial midday hours when UV exposure is at its highest, emphasizing the need for sun protection during this window. Be sun-smart and enjoy your day!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	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	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 Arinos

The UV Index experiences significant seasonal fluctuations, with the highest values typically occurring during the winter months. From January to March, the UV Index remains in the extreme range, peaking at 17 in January, indicating a very short burn time of just 10 minutes. As spring approaches, the values slightly decrease, but April still holds a high UV Index of 13. In May and June, the index drops to 10 and 9 respectively, categorized as very high, allowing for a slightly longer burn time of 15 minutes. The trend shifts back to extreme levels in August through November, with burn times reverting to 10 minutes. The high-risk months for UV exposure are January, February, March, August, September, and October. For residents and visitors, it is crucial to remain vigilant during these periods by seeking shade, wearing protective clothing, and applying sunscreen routinely, especially when the UV Index is forecasted to be high.

Monthly Maximum UV Index for Arinos, Brazil

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

The table above highlights how UV exposure in Arinos 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.

Arinos'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
Arinos	17	15	14	13	10	9	9	12	13	14	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13