UV Index in Coari, Brazil

Last updated: May 3, 2025

In beautiful Coari, Brazil, understanding the UV Index is crucial for enhancing sun safety and protecting your skin. With peak UV levels reaching a critical 13 around noon, awareness of these measurements can help you avoid painful sunburns and long-term skin damage. Coari’s tropical Af climate means high UV exposure, particularly during the midday hours, making it essential for residents and visitors alike to stay informed about daily UV levels. Safeguarding your skin starts with understanding how to navigate the sun's rays effectively!

Hourly UV Index in Coari

The UV Index throughout the day shows noticeable fluctuations, peaking dramatically at 12:00 PM with a striking 13, indicating a high potential for skin damage without protection. The morning starts gently, with a low 1 at 7:00 AM, gradually ascending to a moderate 5 by 9:00 AM. As the sun ascends, the intensity spikes, reaching a significant 12 by 11:00 AM. After the zenith, the index begins its descent, dropping to 10 at 2:00 PM and tapering off to 3 by 4:00 PM. As evening approaches, the UV exposure diminishes to 1 by 5:00 PM, and eventually settles at 0 after 6:00 PM, emphasizing the importance of UV awareness during peak midday 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	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	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Coari

Throughout the year, the UV Index remains consistently high, predominantly categorized as extreme, indicating a significant risk of harm from unprotected sun exposure. The highest monthly UV Index readings occur from January to April, peaking at 16, with a rapid burn time of just 10 minutes. Following this peak, the UV Index remains high, though slightly lower in May to July, where it ranges from 11 to 13, before tapering slightly in the later months of the year. Despite this slight decline, August through November still maintain an extreme exposure risk, underscoring the need for caution. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, hats, and sunglasses, and to limit sun exposure, particularly during these high-risk months. Remember, a burn can occur in as little as 10 minutes, so staying informed and protected is essential for health and safety.

Monthly Maximum UV Index for Coari, Brazil

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

The table above highlights how UV exposure in Coari 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.

Coari'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
Coari	15	16	16	16	13	11	11	12	12	13	13	13