UV Index in Guajara, Brazil

Last updated: May 3, 2025

In Guajara, Brazil, awareness of the UV Index is crucial for residents and visitors alike, as it plays a key role in preventing sunburn and promoting skin health. Understanding UV levels helps individuals take the necessary precautions to protect themselves from harmful rays, especially in this region's tropical climate. With peak UV exposure reaching a maximum index of 13 around midday, outdoor activities should be timed carefully to reduce the risk of overexposure. By staying informed about the UV Index, you can enjoy Guajara's beautiful sunny days while safeguarding your skin from potential damage.

Hourly UV Index in Guajara

As the sun rises, the UV Index begins its ascent, peaking sharply at 10:00 AM with a powerful reading of 10. The intensity reaches its maximum at 11:00 AM and stays strong at 12:00 PM, both clocking in at 13, indicating a high risk of harm from unprotected sun exposure. After that, a gradual decline begins, with values falling to 8 at 2:00 PM and further down to 5 by 3:00 PM. The late afternoon brings a gentle drop in UV levels, resulting in a 2 at 4:00 PM and diminishing to 1 by 5:00 PM. As the sun sets, the UV Index retreats to 0 by 6:00 PM, marking the end of a day filled with intense sunlight. Make sure to take care during peak hours to protect your skin!

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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	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 Guajara

The UV Index shows extreme levels throughout the year, with consistently high values from January to April, peaking at 16 during these months. May to October sees slightly lower, but still extreme, levels, ranging from 11 to 13. Notably, January, February, and March are identified as the highest-risk months due to their prolonged extreme UV exposure. Visitors and residents should be particularly cautious during these times, taking proactive measures to protect their skin, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak sunlight hours. Always remember that 10 minutes of unprotected sun exposure can result in a sunburn, underscoring the importance of sun safety year-round.

Monthly Maximum UV Index for Guajara, Brazil

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

The table above highlights how UV exposure in Guajara 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.

Guajara'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
Guajara	15	16	16	16	13	11	11	12	12	12	13	13