UV Index in Nobres, Brazil

Last updated: May 3, 2025

In Nobres, Brazil, staying informed about the UV Index is crucial for protecting your skin and ensuring your overall health. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in safeguarding against long-term skin damage. With a tropical climate that typically experiences high UV exposure, particularly between 10 AM and 2 PM when the index peaks at 10, residents and visitors alike should heed this information to enjoy the sun safely. By being aware of UV levels, you can take the necessary precautions to enjoy the beautiful outdoors without compromising your skin health.

Hourly UV Index in Nobres

The UV Index today began its ascent at a mild level of 1 at 7:00 AM, but soon picked up momentum. By 10:00 AM, it soared to 8, peaking at a significant 10 from 11:00 AM to 12:00 PM, signaling a time for sun protection. As the afternoon rolled in, the intensity started to wane, dropping to 9 at 1:00 PM and then descending to 6 by 2:00 PM. The sun's rays softened further, concluding the day with a gentle 3 at 3:00 PM and returning to a low 1 by 5:00 PM. Finally, the UV Index waned to 0 by 6:00 PM, marking the end of a day defined by fluctuating sunshine intensity.

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 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 Nobres

The UV Index displays significant seasonal variations, with extreme levels dominating from January through April, where the UV Index remains consistently high at 16 or 15, resulting in a burn time of just 10 minutes. The risk diminishes slightly in May and June, dropping to 10 and 9, but still remains in the very high category, allowing for a burn time of 15 minutes. August sees a resurgence in risk with an index of 11, while September to November maintains an extreme category, with values fluctuating between 12 and 15 and a short burn time of 10 minutes. December returns to a UV Index of 16, signaling harsh conditions again. Visitors and residents should take precautions during these high-risk months, particularly between January and April, and when the index rises above 10, by wearing protective clothing, applying sunscreen, and limiting sun exposure to prevent harmful effects.

Monthly Maximum UV Index for Nobres, Brazil

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

The table above highlights how UV exposure in Nobres 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.

Nobres'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
Nobres	16	16	15	13	10	9	9	11	12	14	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13