UV Index in Chalchuapa, El Salvador

Last updated: May 3, 2025

In Chalchuapa, El Salvador, understanding the UV Index is essential for protecting your skin and health. With typical UV exposure peaking during sunny afternoons, being aware of UV levels can help you prevent sunburn and mitigate long-term skin damage. This charming locale, nestled in an Aw climate zone, experiences significant sunlight, especially between 10:00 AM and 2:00 PM, when the index can soar to dangerous levels. By staying informed about UV conditions, residents and visitors can enjoy their outdoor adventures while prioritizing their well-being.

Hourly UV Index in Chalchuapa

The UV Index today paints a vivid picture of sun intensity throughout the day. Early risers will experience a gentle start at 07:00 with a low of 2, slowly escalating to a more noticeable 4 by 08:00. As the sun climbs higher, the UV Index reaches a peak of 14 at 12:00—the critical midday moment when sun protection is essential. From there, it begins to taper off, dropping to 12 at 13:00 before plunging down to 1 by 17:00. As evening approaches, UV exposure decreases, ultimately settling at 0 by 19:00. Remember to stay sun-safe during those peak hours!

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	2	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	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chalchuapa

Throughout the year, UV levels exhibit significant seasonal changes, with the highest indices observed from March to August, where the UV Index remains at 14 and is classified as extreme, allowing for a rapid burn time of just 10 minutes. The risk decreases slightly in September through October, where the index drops to 13, still in the extreme category. November and December see a further decline to 10 and 9 respectively, labeling them as very high, but with a slightly longer burn time of 15 minutes. Given these conditions, visitors and residents are strongly advised to take precautions, especially during the high-risk months from March to October, such as wearing protective clothing, using sunscreen with high SPF, and seeking shade to minimize UV exposure.

Monthly Maximum UV Index for Chalchuapa, El Salvador

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

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

Chalchuapa's solar exposure compared to other cities in El Salvador. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mejicanos UVI	11	12	14	14	14	14	13	13	13	13	10	9
Soyapango UVI	11	12	14	14	14	14	13	13	13	13	10	9
San Salvador UVI	11	12	14	14	14	14	13	13	13	13	10	9
San Miguel UVI	11	12	14	14	14	14	13	13	13	13	10	9
Chalchuapa	11	13	14	14	14	14	14	13	13	13	10	9
Santa Ana UVI	11	13	14	14	14	14	14	13	13	13	10	9