UV Index in San Salvador, Peru

Last updated: July 2, 2025

Awareness of the UV Index is crucial for residents and visitors in San Salvador, Peru, as it plays a vital role in safeguarding your skin from harmful ultraviolet radiation. Understanding UV levels is essential not only for preventing sunburn but also for maintaining overall skin health—particularly in this region where the climate, classified as Cfb, features varying UV exposure throughout the day. With peak readings reaching as high as 13 between noon and early afternoon, knowing the UV Index helps you take the necessary precautions to enjoy the outdoors safely. Embrace the sunshine wisely and protect your skin!

Hourly UV Index in San Salvador

The UV Index data reveals a dramatic rise in intensity as the day progresses. Starting off at a low 1 at 07:00, the index steadily climbs, reaching a peak of 13 at 12:00. This indicates a high risk of harm from unprotected sun exposure during midday. As the afternoon unfolds, the index begins to taper off, dropping to 5 by 15:00, and falling further to 1 by 17:00. By evening, the UV Index diminishes to 0, signaling a safe period for outdoor activities without the worry of harmful UV rays. Stay protected during those peak hours, especially between 11:00 and 13:00!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 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 San Salvador

The UV Index data reveals extreme exposure levels year-round, with consistently high UV indices from January through December. Notably, the months of January, February, and November experience a peak UV Index of 22, indicating a particularly high risk of overexposure with a burn time of just 10 minutes. Throughout the spring and summer months, UV levels remain significant, with indices ranging from 11 to 19. Residents and visitors are advised to take precautionary measures during this time, including wearing protective clothing, applying broad-spectrum sunscreen regularly, and seeking shade, especially during peak sun hours. Despite the gradual fluctuations in UV Index, caution is warranted throughout the year, as the potential for skin damage is always high.

Monthly Maximum UV Index for San Salvador, Peru

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

The table above highlights how UV exposure in San Salvador 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 Salvador'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
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17
San Salvador	22	19	19	17	14	11	13	14	17	18	22	20