UV Index in Astolfo Dutra, Brazil

Last updated: June 2, 2025

In Astolfo Dutra, Brazil, understanding the UV Index is crucial for maintaining healthy skin and preventing sunburn. As residents bask under the tropical Aw climate, where UV levels can peak at 7 during midday, knowing when to seek shade or apply sunscreen can make all the difference. With exposure risks heightened in this region, monitoring UV levels helps you protect yourself and your loved ones from the harmful effects of excessive sun exposure. Stay informed and prioritize your skin health to enjoy the sunny days safely!

Hourly UV Index in Astolfo Dutra

Today’s UV Index showcases a dynamic progression throughout the day. Beginning with a gentle 1 at 07:00, the index steadily climbs, peaking at a robust 7 by 12:00—a reminder to stay protected around midday when sun exposure is strongest. The afternoon sees a slight decline, with values tapering to 4 at 14:00, before dropping to 2 by 15:00, and eventually settling at 1 by 17:00. As evening approaches, UV exposure recedes to 0 after 18:00, marking a safe time for outdoor activities without the worry of sunburn. Be sure to keep sunscreen handy during the peak hours for optimal protection!

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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Astolfo Dutra

The UV Index exhibits significant seasonal fluctuations, with the highest values observed during the winter months, peaking at 17 in January and gradually declining through February (15), March (13), and April (11), all classified as extreme exposure, necessitating a burn time of just 10 minutes. As we transition into late spring and summer, UV levels decrease slightly, with May recording a very high index of 8 and increasing burn time to 15 minutes. However, July and August maintain a very high rating of 8 and 10, respectively, suggesting continued vigilance. The UV Index spikes again in September (12) and remains extreme through November (14) and December (15). Visitors and residents alike should take extra precautions, especially from January to April and again in September to November, by wearing protective clothing, utilizing sunscreen, and limiting sun exposure during peak hours.

Monthly Maximum UV Index for Astolfo Dutra, Brazil

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

The table above highlights how UV exposure in Astolfo Dutra 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.

Astolfo Dutra'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
Astolfo Dutra	17	15	13	11	8	7	8	10	12	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