UV Index in Riolandia, Brazil

Last updated: August 1, 2025

Understanding the UV Index is essential for residents of Riolandia, Brazil, where high levels of ultraviolet radiation can pose serious risks to skin health. With a tropical climate characterized by sunny days, the UV Index in Riolandia often peaks at 8 around noon, indicating a heightened risk for sunburn and long-term skin damage. By being aware of the daily UV levels, you can take proactive measures to protect yourself and your loved ones from harmful exposure. Whether it's applying sunscreen, wearing protective clothing, or seeking shade, understanding these metrics is key to enjoying the vibrant outdoor lifestyle that Riolandia offers while safeguarding your skin.

Hourly UV Index in Riolandia

At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!

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	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 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 Riolandia

The UV Index exhibits significant seasonal variation, with extreme levels persisting from January to April and then peaking again in August and September. The highest risk months are undoubtedly January, February, and December, which all register a UV Index of 16 and a burn time of just 10 minutes. Residents and visitors should take heightened precautions during these months, including wearing protective clothing, using sunscreen with high SPF, and seeking shade during peak sun hours. Even in the summer months, where UV levels decrease slightly, visitors should remain vigilant, especially in May, July, and August, with UV indices reaching up to 11 and 12. It's essential to prioritize sun safety throughout the year to prevent skin damage.

Monthly Maximum UV Index for Riolandia, Brazil

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

The table above highlights how UV exposure in Riolandia 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.

Riolandia'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
Riolandia	15	16	13	11	9	7	8	11	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