UV Index in Guarabira, Brazil

Last updated: May 3, 2025

In Guarabira, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health under the intense sun. Understanding UV levels helps you take preventive actions against sunburn and long-term skin damage, especially during the peak hours when the index reaches dangerous levels. With a typical As climate that brings high UV exposure, especially from 10 AM to 2 PM, Guarabira residents and visitors should always check the UV Index to enjoy the sunny days safely and responsibly.

Hourly UV Index in Guarabira

As the sun rises, the UV Index begins its ascent, starting at a mild 2 at 7:00 AM. By 8:00 AM, it reaches a moderate 5, signaling the need for some sun protection. The intensity peaks dramatically around 11:00 AM and 12:00 PM, hitting a striking 12, indicating high risk of harm from unprotected sun exposure. As the afternoon rolls in, the index gradually declines, dropping to 9 by 1:00 PM and 6 at 2:00 PM. By the late afternoon, the index continues to decline steeply, falling to 3 at 3:00 PM and further to 1 by 4:00 PM and 5:00 PM. As twilight approaches, the UV Index finally settles at 0 by 6:00 PM, marking the end of a sun-filled day. Remember: during those peak hours, stay protected!

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	12	extreme	10 min
12:00	12	extreme	10 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 Guarabira

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 Guarabira, Brazil

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

The table above highlights how UV exposure in Guarabira 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.

Guarabira'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
Guarabira	14	14	15	14	12	11	11	12	13	13	14	14