UV Index in Cacoal, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Cacoal, Brazil is vital for safeguarding your skin and overall health. As a city situated in a tropical climate zone (Aw), Cacoal experiences significant sun exposure, particularly during peak hours, making awareness of UV levels essential. High UV readings can lead to painful sunburns and long-term skin damage, highlighting the need for effective sun protection strategies. With UV Index values soaring to 11 at noon, residents and visitors should be proactive in their sun safety practices to minimize risks and enjoy the vibrant sun-drenched lifestyle that Cacoal offers.

Hourly UV Index in Cacoal

The UV Index paints an intriguing picture throughout the day. Early morning starts off mild with a maximum of 1 at 07:00. As the sun rises, the intensity ramps up, reaching 2 by 08:00 and then skyrocketing to 5 by 09:00. The peak is at 12:00, where the index hits a striking 11, indicating significant sun exposure risk. This intensity begins to taper post-lunch, with values declining to 10 at 13:00, then gradually falling to 8 at 14:00, and further down to 4 by 15:00. As the evening approaches, the UV Index dwindles to 2 by 16:00, and by 17:00, it drops to 1, finally reaching 0 at 18:00 and 19:00. It's a day where sun protection is crucial during midday hours—stay safe and enjoy the sunshine!

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	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	4	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 Cacoal

The UV Index experiences significant variations throughout the year, with extreme levels persisting from January through April and returning in August to November. The months with the highest UV Index are from January to April, where it peaks at 16, indicating a high-risk period for sunburn with a minimal burn time of just 10 minutes. In contrast, from June to July, the index drops slightly to 10, categorized as very high, allowing for a burn time of up to 15 minutes. Visitors and residents should exercise caution during these high-risk months, particularly in January, February, and March, by minimizing sun exposure, wearing protective clothing, and applying sunscreen regularly to prevent skin damage.

Monthly Maximum UV Index for Cacoal, Brazil

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

The table above highlights how UV exposure in Cacoal 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.

Cacoal'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
Cacoal	15	16	16	15	11	10	10	11	12	14	15	15