UV Index in San Salvador, Peru

Last updated: May 3, 2025

Understanding the UV Index in San Salvador, Peru is crucial for protecting your skin and overall health. With high UV exposure, especially between 10 AM and 2 PM, knowing how to gauge UV levels can help prevent sunburns and reduce long-term skin damage. The climate in San Salvador, characterized by a temperate Cfb classification, often leads to varying UV conditions, but residents should remain vigilant about their exposure risks on sunny days. Stay informed to enjoy the outdoors safely while keeping your skin in optimal health!

Hourly UV Index in San Salvador

The UV Index throughout the day reveals a dynamic pattern of sun exposure, starting gently at 1 at 07:00. As the morning unfolds, the index climbs to 4 by 08:00, reaching 7 at 09:00. The intensity peaks sharply at 11 with a UV Index of 14 at 12:00, making this the most hazardous time of the day for sun exposure. The afternoon sees a gradual decline, with values retreating to 12 by 13:00 and dropping to 4 by 15:00. As evening approaches, the index further plummets to 1 at 17:00, finally settling at a safe 0 by 18:00 and beyond. This data underscores the importance of sun safety, especially during the late morning to early afternoon hours when the UV Index is at its highest.

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	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	4	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