UV Index in Joao Pessoa, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in João Pessoa, Brazil, to protect their skin and maintain overall health. With the city’s tropical climate, exposure to UV rays can be intense, especially during the peak hours when the UV Index can reach a maximum of 11. By staying informed about daily UV levels, individuals can take proactive measures to prevent sunburn and long-term skin damage. In João Pessoa, where the sun shines brightly year-round, knowing how to respond to varying UV exposure is essential for safe outdoor enjoyment.

Hourly UV Index in Joao Pessoa

As the sun rises, the UV Index begins its ascent, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it doubles to 4, signaling the arrival of a brighter day. The intensity peaks sharply at 11:00 AM, hitting a robust 11, which calls for caution as the sun reaches its zenith. Following this crescendo, the index gradually declines; it descends to 3 by 3:00 PM, and by 4:00 PM, it further tapers to 1. As the evening approaches, the UV levels drop to 0 by 6:00 PM, ushering in a welcome reprieve from the midday sun’s harshness. Remember, during those peak hours, proper sun protection is essential!

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	11	extreme	10 min
12:00	10	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 Joao Pessoa

The UV Index throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.

Monthly Maximum UV Index for Joao Pessoa, Brazil

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

The table above highlights how UV exposure in Joao Pessoa 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.

Joao Pessoa'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
Joao Pessoa	14	14	15	14	12	11	11	12	13	13	14	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13