UV Index in Montes Altos, Brazil

Last updated: July 2, 2025

In Montes Altos, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly aid in preventing sunburn and reducing the risk of long-term skin damage. With a tropical climate characterized by high UV exposure, particularly during midday hours when the index can soar to an intense 11, residents and visitors must stay informed. Whether you're enjoying outdoor activities or simply soaking up the sun, knowing the UV Index empowers you to take the necessary precautions for safe sun enjoyment.

Hourly UV Index in Montes Altos

As the day dawns, the UV Index starts off mild at 1 around 7 AM, offering a gentle introduction to sunlight. By 8 AM, it rises to 2, still manageable for those heading outdoors. The intensity climbs sharply as we approach midday, peaking at a striking 11 at 12 PM, indicating a high risk of harm from unprotected sun exposure. Wearing sunscreen and protective clothing is crucial during this time! Gradually, the index begins to decline, dropping to 5 by 3 PM and plummeting to 0 by 7 PM, signaling a safe window for evening strolls. The UV trajectory of the day underscores the importance of sun protection, especially during the late morning and early afternoon 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	7	high	25 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	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Montes Altos

Throughout the year, UV Index readings remain notably high, with extreme levels recorded from January to April, consistently at 15, and only slightly decreasing in May and June, where it reaches 13 and 11, respectively. The summer months of July and August maintain high levels at 11 and 12, before increasing again in September and October. Notably, November and December also show high UV values of 14. This data indicates that the highest risk months for UV exposure are from January to April, where the UV Index remains at its peak. Therefore, it is crucial for visitors and residents alike to take precautions, such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade during peak sun hours, to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Montes Altos, Brazil

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

The table above highlights how UV exposure in Montes Altos 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.

Montes Altos'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
Montes Altos	15	15	15	15	13	11	11	12	13	13	14	14