UV Index in Chalchuapa, El Salvador

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Chalchuapa, El Salvador, where sun exposure can vary significantly throughout the day. With UV levels peaking at a dangerous 14 around midday, awareness of these indices is vital for preventing sunburn and promoting long-term skin health. Chalchuapa, characterized by its tropical climate and high UV exposure risks, requires locals and visitors alike to take precautions when spending time outdoors. By staying informed about UV trends, you can effectively protect your skin and enjoy the beautiful sunshine safely!

Hourly UV Index in Chalchuapa

The UV Index today showcases a dramatic rise in solar intensity, starting with a moderate level of 2 at 7:00 AM. As the sun climbs higher in the sky, the intensity peaks at a staggering 14 by noon, marking the most hazardous time for sun exposure. It reaches a maximum of 13 at 1:00 PM, emphasizing the need for protective measures like sunscreen and hats. The afternoon sees a swift decline, dropping to 10 by 2:00 PM and further down to 6 at 3:00 PM. As evening approaches, the UV Index dips to 1 by 5:00 PM, offering some relief, before finally settling at 0 after 7:00 PM. For those planning their day, early morning and late evening provide a safer window for outdoor activities, while midday requires caution to avoid 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	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	13	extreme	10 min
14:00	10	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