UV Index in Guariba, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Guariba, Brazil is crucial for residents and visitors alike, as it serves as a vital indicator of the sun's intensity and its potential risks to skin health. With the region's Aw climate characterized by warm temperatures and plentiful sunshine, awareness of UV levels can significantly aid in sunburn prevention and long-term skin protection. In Guariba, the UV Index can peak at an intense level of 8 during midday, emphasizing the importance of taking necessary precautions to safeguard against harmful effects—including premature skin aging and increased cancer risk. Stay informed and enjoy the sun safely!

Hourly UV Index in Guariba

As the day unfolds, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 9:00 AM, it reaches a moderate 3, hinting at the sun's increasing power. The peak comes around 12:00 PM and 1:00 PM, where the index soars to an impressive 8, indicating a need for sun protection. As afternoon rolls in, it dips to 6 at 2:00 PM before gradually declining to 3 by 3:00 PM, and then easing to 1 at 5:00 PM. By evening, the UV Index settles to a pleasing 0 after 6:00 PM, signaling a safe return for outdoor activities as the sun sets. Stay vigilant during those peak hours to protect your skin while you enjoy the radiant daylight!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	3	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 Guariba

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in September to December. High-risk months include January, February, March, April, September, October, November, and December, where the UV Index remains at 13 or above, indicating a burn time of just 10 minutes. Even during the summer months, while the risk drops slightly to a very high level in May, July, and August, visitors and residents should remain vigilant. It is crucial to take protective measures, such as wearing sunscreen, seeking shade, and wearing protective clothing during these periods of high UV exposure, particularly in the peak months.

Monthly Maximum UV Index for Guariba, Brazil

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

The table above highlights how UV exposure in Guariba 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.

Guariba'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
Guariba	16	16	13	11	8	7	8	10	12	14	14	16
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