UV Index in Rio Novo do Sul, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Rio Novo do Sul, Brazil, is essential for protecting your skin and overall health. As this coastal town experiences a tropical wet and dry climate, UV levels can reach significant highs, especially during midday hours when they peak at 8. Being aware of these levels helps you prevent sunburn, skin aging, and reduces the risk of skin cancer. With the UV Index fluctuating from a mild 1 in the early morning to a concerning 8 at noon, it’s crucial to take precautions during the sunniest parts of the day to fully enjoy the beauty of Rio Novo do Sul while safeguarding your skin health.

Hourly UV Index in Rio Novo do Sul

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it nudges up to 2, signaling a mild increase in UV exposure. The intensity heats up quickly, reaching a moderate 4 by 9:00 AM, before hitting its peak of 8 from 11:00 AM to 12:00 PM. This is the prime time for sun safety awareness! After noon, the UV Index gradually declines; by 3:00 PM, it recedes to 3, and as the day wanes, it drops significantly to 1 by 4:00 PM. By evening, UV levels have diminished, reaching 0 by 6:00 PM, offering a reprieve from the sun’s rays.

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	8	very high	15 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	5	moderate	30 min
15:00	3	moderate	30 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 Rio Novo do Sul

Throughout the year, UV index levels exhibit significant variability, particularly during the summer months. High-risk months for UV exposure are predominantly from January to April and September to November, displaying extreme levels with indices ranging from 14 to 16 and a burn time of just 10 minutes. May, July, and August also present very high UV levels, with indices between 9 and 10 and a burn time of 15 minutes. Visitors and residents should take precautionary measures during these months, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours. Being mindful of UV exposure is essential to ensure safety and prevent sunburn throughout the year.

Monthly Maximum UV Index for Rio Novo do Sul, Brazil

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

The table above highlights how UV exposure in Rio Novo do Sul 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.

Rio Novo do Sul'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
Rio Novo do Sul	16	15	14	11	9	7	8	10	12	14	15	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