UV Index in Caxambu, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Caxambu, Brazil, tucked away in a Cfb climate zone known for its mild temperatures and occasional sunny days. Awareness of UV levels is essential not only for effective sunburn prevention but also for maintaining long-term skin health. With UV Index levels peaking at 7 around midday, Caxambu's residents need to be particularly cautious during these hours to avoid skin damage and other related health risks. Being informed empowers individuals to enjoy the beautiful outdoor lifestyle in Caxambu while protecting their skin from harmful UV radiation.

Hourly UV Index in Caxambu

The UV Index reveals an early morning reprieve, starting at a gentle 1 at 7:00 AM and remaining low through 9:00 AM. However, as the sun climbs, intensity increases sharply, peaking at a 7 around noon, signaling the most potent UV exposure of the day. The early afternoon maintains a respectable UV level of 6 at 1:00 PM before gradually tapering off. By mid-afternoon, it drops to 4, then swiftly declines to 1 by 4:00 PM, and finally settles at 0 by 6:00 PM, marking the day's end for UV concern. This hourly trend underscores the importance of sun safety during peak hours, especially between 10 AM and 2 PM.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Caxambu

Throughout the year, the UV Index experiences significant fluctuations, with extreme levels occurring consistently from January to April, where a burn time of just 10 minutes can result in skin damage. High-risk months are primarily January through April and September to November, characterized by UV Index values reaching up to 16. Specifically, February and December also record a UV Index of 16, maintaining the highest risk. The transition into summer lowers the index slightly, with May through August classified as very high to high, allowing for slightly longer exposure times of up to 25 minutes in June. Residents and visitors are advised to practice sun safety by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, particularly during the most hazardous months when the UV Index is extreme.

Monthly Maximum UV Index for Caxambu, Brazil

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

The table above highlights how UV exposure in Caxambu 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.

Caxambu'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
Caxambu	16	16	13	12	8	7	8	10	12	14	14	16
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