UV Index in San Antonio, Peru

Last updated: July 2, 2025

In San Antonio, Peru, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the long-term risks of skin damage, especially in a region known for its warm, dry climate (BWk). With peak UV readings reaching a high of 10 around noon, residents and visitors alike should be mindful of their sun exposure. By keeping an eye on daily UV levels and taking necessary precautions, you can enjoy the sun safely while preserving your skin's health.

Hourly UV Index in San Antonio

The UV Index fluctuates throughout the day, starting off mildly at 07:00 with a value of 1. As the sun rises higher, the intensity increases, reaching 2 by 08:00 and escalating sharply to 5 at 09:00. The peak UV intensity occurs around 12:00, hitting a maximum of 10, indicating the need for sun protection. After this peak, the index gradually declines, dipping to 9 by 13:00 and lowering further to 6 by 14:00. As afternoon fades into evening, UV exposure diminishes significantly, dropping to 3 by 15:00 and then back to 1 by 16:00, before finally reaching 0 by 18:00 and remaining at zero into the night. Stay safe while enjoying the sunshine!

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	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 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 San Antonio

The UV Index varies significantly throughout the year, with high-risk months predominantly occurring from January to April, where the Index remains at an extreme level (16-14) with a burn time of just 10 minutes. Similarly, November also presents high risk with an Index of 17. The summer months (June to August) see a slight decrease in the Index, reaching a very high level (9-12), allowing for a marginally longer burn time of 15 minutes in June and July. As such, residents and visitors are strongly advised to take protective measures during these high UV Index months by wearing sunscreen, protective clothing, and seeking shade to minimize sun exposure, especially during peak hours. Staying informed about daily UV levels can help mitigate the risks associated with sun exposure throughout the year.

Monthly Maximum UV Index for San Antonio, Peru

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

The table above highlights how UV exposure in San Antonio compares to other major locations across Peru. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

San Antonio's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Callao UVI	14	14	14	12	10	9	10	11	12	13	14	13
Lima UVI	14	14	14	12	10	9	10	11	12	13	14	13
Trujillo UVI	15	15	15	14	12	11	11	11	13	14	14	14
Chiclayo UVI	14	15	15	14	13	11	11	12	15	14	14	13
San Antonio	16	16	15	14	11	9	10	12	14	16	17	16
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17