UV Index in Nazare, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Nazare, Brazil, where the sun often shines brightly in the tropical climate. Awareness of UV levels is vital to prevent sunburn and safeguard skin health, particularly when peak indices can soar as high as 9 from 11:00 AM to 12:00 PM. With exposure risks elevated during these hours, learning to gauge UV strength not only helps in planning outdoor activities but also promotes long-term skin wellness. Embrace the sun wisely, and enjoy all that beautiful Nazare has to offer!

Hourly UV Index in Nazare

The UV Index throughout the day reveals a pronounced peak in sunlight intensity, especially between 11:00 AM and 1:00 PM, where it reaches a maximum of 9. This indicates the highest risk of harm from unprotected sun exposure during these hours. Starting from 8:00 AM, the index climbs steadily, highlighting the importance of sun safety measures as it reaches 5 at 9:00 AM and escalates to 7 by 10:00 AM. As the afternoon progresses, a noticeable decline occurs with values dropping to 5 at 2:00 PM and further falling to 3 by 3:00 PM, before tapering off to 1 by late afternoon. By 6:00 PM, the UV Index diminishes to 0, signifying safe conditions for outdoor activities. Remember to protect your skin 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 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 Nazare

The UV Index displays significant seasonal variations, with extreme ratings of 14 occurring from January to April, and again in October and November. The high-risk months for UV exposure include January, February, March, October, and November, where the burn time is notably low at just 10 minutes. The summer months, June and July, experience a slight decrease in UV intensity to 9 and 10, respectively, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautions during high UV periods, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during the peak exposures in the identified high-risk months.

Monthly Maximum UV Index for Nazare, Brazil

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

The table above highlights how UV exposure in Nazare 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.

Nazare'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
Nazare	14	14	14	13	11	9	10	12	13	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13