UV Index in Santa Isabel do Rio Negro, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Santa Isabel do Rio Negro, Brazil is crucial for safeguarding your skin health and preventing sunburn. With its tropical climate, this beautiful region often experiences high levels of UV radiation, particularly during midday hours. For instance, the UV Index peaks at 11 between 12:00 PM and 1:00 PM, indicating an extreme risk of harm from unprotected sun exposure. By staying informed about UV levels, residents and visitors can take proactive measures to protect themselves from potential skin damage and enjoy the vibrant outdoor lifestyle that Santa Isabel has to offer. Remember, awareness is the first step toward a healthier, sun-smart routine!

Hourly UV Index in Santa Isabel do Rio Negro

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak 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	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Santa Isabel do Rio Negro

Throughout the year, the UV Index remains consistently high, indicating extreme exposure levels. From January to April, the UV Index peaks at 16, which suggests that burn times are limited to just 10 minutes. Following this, the UV Index slightly decreases to 12 in June and August, and further dips to 11 in July. However, it remains high through to September and October, with values of 14. Residents and visitors should be particularly cautious during the high-risk months of March and April, when the UV Index is at its highest. It is strongly advised to apply sunscreen, wear protective clothing, and seek shade during these peak levels to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Santa Isabel do Rio Negro, Brazil

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

The table above highlights how UV exposure in Santa Isabel do Rio Negro 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.

Santa Isabel do Rio Negro'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
Santa Isabel do Rio Negro	14	15	16	16	14	12	11	12	14	14	13	13