UV Index in Ariquemes, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Ariquemes, Brazil, is crucial for safeguarding your skin and overall health. With the region's tropical climate, UV levels can soar, particularly around midday when readings peak at 10—indicating a very high risk of harm from unprotected sun exposure. Being aware of these UV levels allows residents and visitors to take proactive steps in preventing sunburns and long-term skin damage. As the sun climbs higher in the sky, especially between 10 AM and 2 PM, it's essential to stay informed and protect your skin against the effects of intense UV radiation.

Hourly UV Index in Ariquemes

As the sun rises, the UV Index begins its ascent, peaking sharply as the day progresses. At 07:00, the index is a gentle 1, making it safe for morning strolls. By 09:00, it climbs to a moderate 4, indicating that some sun protection may be advisable. The real intensity hits at 12:00 and 13:00, with the index soaring to a maximum of 10, signaling a high risk for harm from unprotected sun exposure. As the afternoon fades, the index gradually descends, dipping to 5 by 15:00, then to 2 by 16:00. Finally, as evening approaches, the UV Index drops to 0 after 18:00, signaling the end of the day's sun exposure. Always remember to take precautions 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	7	high	25 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 Ariquemes

The UV Index exhibits significant seasonal changes, with high-risk months occurring from January to April, where UV levels remain extremely high, peaking at 16 and a burn time of just 10 minutes. As temperatures rise in May and the summer months, the index slightly declines to 12 and then stabilizes at 10-11, categorizing the risk as very high to extreme, still necessitating vigilant sun protection. October through December sees a return to extreme UV conditions, reinforcing the need for consistent sun safety measures. Visitors and residents are strongly advised to use broad-spectrum sunscreen, wear protective clothing, and limit sun exposure, especially during the peak hours of sunlight, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Ariquemes, Brazil

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

The table above highlights how UV exposure in Ariquemes 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.

Ariquemes'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
Ariquemes	15	16	16	15	12	10	10	11	12	15	15	15