UV Index in Novo Hamburgo, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Novo Hamburgo, Brazil, where the climate presents unique sun exposure challenges. With typical midday UV levels reaching 5, knowing these figures helps you take proactive measures in preventing sunburn and protecting your skin health. As you enjoy the sunny days in this vibrant city, being mindful of when UV levels peak—particularly around noon—ensures you can embrace outdoor activities without compromising your well-being. Stay informed and enjoy the sunshine responsibly!

Hourly UV Index in Novo Hamburgo

As the sun rises, the UV Index begins at 0 at 7:00 AM, offering a safe start to the day. By 8:00 AM, it climbs to 1, indicating minimal risk for most people. As the morning progresses, the UV Index reaches 3 by 10:00 AM, signaling a moderate level that advises some sun protection if you're outdoors. The peak intensity occurs at 12:00 PM with a reading of 5, which translates to a higher risk of harm from unprotected sun exposure. Fortunately, the UV levels gradually decrease throughout the afternoon, dropping to 3 at 2:00 PM and further down to 1 by 4:00 PM. As evening falls, the index diminishes to 0 by 6:00 PM, bringing relief from the sun's rays. Overall, it’s a day to enjoy the sun safely, with peak caution needed during the 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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	4	moderate	30 min
14:00	3	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 Novo Hamburgo

The UV Index exhibits significant seasonal variation, with January, February, March, October, November, and December classified as high-risk months, all featuring an extreme exposure category and a quick burn time of just 10 minutes. Similarly, April and September fall into the very high category with burn times of 15 minutes. In contrast, May and August have a high exposure category with longer burn times of 25 minutes, while June and July offer a moderate risk, allowing for 30 minutes before burning. Residents and visitors should take serious precautions during the extreme months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently to minimize the risk of skin damage.

Monthly Maximum UV Index for Novo Hamburgo, Brazil

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

The table above highlights how UV exposure in Novo Hamburgo 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.

Novo Hamburgo'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
Novo Hamburgo	14	13	12	10	6	5	5	7	9	12	13	14
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