UV Index in Astorga, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Astorga, Brazil is crucial for protecting your skin from the sun's harmful rays. With the city's Cfa climate, residents and visitors alike face varying UV levels throughout the day, peaking around midday with a UV Index of 6, which can lead to sunburn and long-term skin damage if protective measures aren't taken. Being aware of UV levels not only helps in preventing immediate sunburn but also promotes overall skin health. With Astorga's typically sunny days, being informed about these UV risks is essential for enjoying outdoor activities safely and responsibly.

Hourly UV Index in Astorga

The UV Index for the day shows a noticeable fluctuation as the hours progress. Starting off at a mild level of 1 at 7:00 and 8:00, the index begins to rise, reaching a peak of 6 between 12:00 and 13:00—the perfect time to seek shade if you’re outdoors! As the afternoon rolls on, the index dips gradually, dropping to 3 by 15:00, then further to 1 by 17:00. Finally, the UV levels fall to 0 after 18:00, signaling a comfortable end to the day. Remember, during those peak hours, it’s essential to protect your skin from overexposure!

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	2	low	45 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 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 Astorga

Throughout the year, UV Index levels show significant seasonal variation, with the most intense exposure occurring from November to April, when values reach extreme levels of 15 or higher, making these the highest-risk months for UV exposure. Specifically, January, February, March, and December record a UV Index of 15 or 16, while October displays a UV Index of 14. During these months, a burn time of just 10 minutes is enough to risk skin damage. From May to July, the exposure decreases to 'very high' and 'high' levels, but caution is still advised, especially in May and August when the burn times decrease to 15 minutes. Visitors and residents should take proactive measures against sun exposure by employing broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak UV hours, particularly from 11 a.m. to 4 p.m.

Monthly Maximum UV Index for Astorga, Brazil

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

The table above highlights how UV exposure in Astorga 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.

Astorga'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
Astorga	15	15	13	11	8	6	7	9	12	14	15	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