UV Index in Sao Joao de Pirabas, Brazil

Last updated: July 2, 2025

In Sao Joao de Pirabas, Brazil, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels not only helps protect against immediate skin damage but also reduces the risk of long-term effects, such as skin cancer. This coastal town, characterized by its tropical climate, presents unique challenges with UV exposure, especially during peak hours when the index can reach a maximum of 11. By staying informed about daily UV forecasts, residents and visitors can enjoy the sun safely while safeguarding their skin.

Hourly UV Index in Sao Joao de Pirabas

The UV Index for the day reveals a striking peak in the late morning, reaching an impressive 11 at noon and 1 PM. Early risers will enjoy a mostly low risk as the index starts at just 1 at 7 AM and gradually ascends, hitting 5 by 9 AM. The intensity of sunlight escalates, with the index soaring to 10 by 11 AM—a reminder for sun protection as sunburn can occur in mere minutes. Dropping slightly to 9 by 2 PM, it then descends quickly, falling to 5 at 3 PM before tapering off to 1 by 5 PM. As the sun sets, the risk diminishes, reaching a safe 0 by 7 PM. Planning outdoor activities? Embrace the morning sun wisely, and ensure adequate protection during 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	5	moderate	30 min
10:00	8	very high	15 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	5	moderate	30 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 Sao Joao de Pirabas

The UV Index demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.

Monthly Maximum UV Index for Sao Joao de Pirabas, Brazil

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

The table above highlights how UV exposure in Sao Joao de Pirabas 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.

Sao Joao de Pirabas'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
Sao Joao de Pirabas	14	15	16	16	14	12	11	13	13	13	13	13